Injection systems and parts
More informationAt Global Parts, we offer a wide selection of original used car parts, including injection systems and parts for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each injection system and part we offer undergoes quality control to ensure you receive a top-quality product.
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In Stock
Price
Part no. 7798446
BMW E81 E87 LCI E90 E91 F20 F30 N47 RP Injector Fuel Jet Nozzle 7798446
€28.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7805428-4
BMW E81 E87 LCI E90 E91 F10 Fuel Injector N47 N57 Diesel 7805428
Promo price
€75.95
€64.56
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7809127
BMW E81 E87 LCI E90 Set Fuel Injection System Diesel N47 118d 318d
€398.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7810702-2
BMW F10 F11 F20 F30 120d 320d 520d N47N 184HP Diesel Set Fuel Injection System
Promo price
€522.95
€444.51
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7823461
BMW F10 F20 F30 F36 Fuel Injector 125d 325d 525d N47 Diesel 7823461
Promo price
€56.95
€48.41
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7792721
BMW E60 E61 E65 X5 E70 X3 E83 E92 E93 Injector Diesel M57N2 7792721 0445115048
€94.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7805428-6
BMW E87 LCI E90 120d 320d Diesel N47 Set Injector Fuel Pump Injection System
Promo price
€664.95
€565.21
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7797877
BMW E81 E87 LCI E90 E91 120d 320d 520d Diesel N47 Injector 7797877
Promo price
€32.95
€28.01
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577649
BMW F20 F21 F30 N47N Fuel Injection System Set 116d 118d 318d Diesel
Promo price
€360.95
€306.81
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7808089
BMW X3 E83 3.0sd X5 E70 3.0d E90 E91 335d M57N2 Injector Fuel Diesel 7808089
€132.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8514146-5
BMW F20 F21 F30 F31 LCI Injection System Set Injector Fuel Pump 118d 318d B47
Promo price
€474.95
€403.71
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7810702-4
BMW F20 F30 120d 320d N47N 184HP Diesel Set Fuel Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7798446-6
BMW E81 E87 LCI 116d 118d E90 318d N47 Fuel Pump Injector Injection System Set
Promo price
€417.95
€355.26
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7809798
BMW 1 3 5 Series E81 E90 F10 F20 F30 N47 Clamping Jaw Fuel Injector Set of 4
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7550387
BMW E81 E87 LCI E90 E91 N43 Fuel Tank Ventilation Valve With Pipe 7550387
€28.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577647-1
BMW X1 E84 18d 18dX Diesel N47 143HP Set Fuel Pump Injector Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8596875
BMW F30 F31 F32 F33 High Pressure Fuel Line Pipe Tube N57 8596875
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7794435
BMW E60 E87 E90 Fuel Injector 118d 325d 525d M47N2 M57N2 7794435
€23.95
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7792722
BMW E60 E61 E90 E91 Fuel Injector Clamp Flange Diesel M57N2 7792722
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7805423-1
Fuel Rail BMW E90 E91 E92 LCI F30 F10 F01 N57 Diesel High Pressure 7800124
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7810702-6
BMW F10 F11 520d N47N 184HP Diesel Fuel Pump Injector Injection System Set
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7787142
BMW X3 E46 E60 E87 E90 Intake Manifild Pressure Sensor 7787142
€23.95
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7787804
BMW E60 E87 E90 Pressure Hose Assy Injector Fuel System Diesel M47
€23.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577650-1
BMW F20 F21 114d 116d ed N47N 116HP Set Injector Fuel Pump Injection System
Promo price
€237.95
€202.26
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7787215
BMW 1 3 X3 Series E46 E60 E87 E90 E91 Diesel Engine Fuel Injector Clamp Flange
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 8577648-2
High Pressure Fuel Pump BMW E90 LCI F20 F21 F30 F31 F32 316d 318d N47N 7823452
Promo price
€66.95
€40.17
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7804238
Pressure Hose BMW E60 E61 E65 E90 E91 M57N2 Assy Injector Fuel 7804238
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577649-4
BMW F20 F21 N47N 116d 118d F30 318d Fuel Pump Injector Injection System Set
Promo price
€332.95
€283.01
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7809127-1
BMW E81 E87 LCI E90 F20 F30 N47 Diesel Fuel Injector Rail 7809127
€28.95
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7552890
BMW E81 E87 E88 E90 E91 Fuel Supply Hose Pipe Line 7552890
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7823461-3
Fuel Pump BMW F20 F30 F31 F32 125d N47S1 Injector Injection System Set 7823461
€759.95
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7809127-4
BMW E81 E87 LCI 116d 118d E90 318d N47 Fuel Pump Injector Injection System Set
€379.95
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7809128
BMW E81 E87 LCI E90 E91 320d N47 Fuel Pressure Accumulator 7809128
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7787215-1
BMW E46 E60 E87 E90 E91 Diesel Engine Fuel Injector Clamp Flange 7787215
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8596876
BMW F30 F31 F32 F33 N57 Fuel Pump High Pressure Fuel Line Pipe Tube 8596875
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8514148-3
BMW 1 3 Series F20 F21 F30 LCI 120d 320d Diesel B47 Set Fuel Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7810702-5
BMW X3 F25 18d 20dX N47N Diesel Engine Fuel Injection Injector System Set
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7810702
BMW E90 E91 E92 LCI 320d N47N 184HP Diesel Set Fuel Injection System
Promo price
€522.95
€444.51
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7797877-5
BMW E81 E87 E90 E91 E92 120d 320d Diesel N47 Set Fuel Injector Injection System
Promo price
€569.95
€484.46
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577648-3
BMW E90 LCI F20 F21 F30 F31 F32 High Pressure Fuel Pump 316d 318d N47N 7823452
Promo price
€75.95
€64.56
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7800609
BMW 1 3 Series E81 E87 LCI E90 120d 320d 520d N47 Injector Pipe Pressure Hose
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7799610-1
BMW E60 E61 LCI E90 E91 E92 Fuel Pressure Sensor Regulation Valve Rail 7799610
€23.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7541452-1
BMW E46 E60 E61 E65 X3 E83 M54 Fuel Injector Line Injectorts 1437442
Promo price
€37.95
€32.26
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 2757169
Mini Cooper One D Diesel W16 R55 R56 W16 Fuel Pipe Overflow 2757169
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8577644-1
BMW E81 E87 LCI 123d Diesel N47S 204HP Set Injector Fuel Pump Injection System
Promo price
€664.95
€565.21
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8514166
Fuel Rail BMW F20 F21 114d 116d ed Mini R60 R61 N47N Injector System 8514166
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 7805424-1
BMW E90 LCI F10 Pressure Hose Set Fuel Injector Pipe Line Assy N57 Diesel
Promo price
€94.95
€56.97
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7809127-3
BMW E81 E87 LCI E90 F20 F21 F30 Injector Fuel Rail Diesel N47 7809127
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7805425
BMW 3 5 7 E90 E91 E92 LCI F10 F01 N57 Pressure Hose Assy Pipe Fuel Injector
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7592426-1
Injection Rail BMW F20 F30 Mini R56 LCI N13 Fuel Injector Tube Pipe Line 7592426
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 8577644
BMW E81 E87 LCI 123d Diesel N47S 204HP Set Injector Fuel Pump Injection System
€617.95
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7823461-2
Fuel Pump BMW F30 F31 F32 335dX 435dX N57Z Injector Injection System Set 7823461
€569.95
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7848454
Fuel Tank Ventilation Valve BMW F80 M3 F82 F83 M4 Vent Pipe Line 7848454
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7797881-1
BMW E60 E81 E87 LCI E90 E91 120d 320d 520d N47 Fuel Injector Bracket Mount Set
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7639990
Fuel Injector BMW F20 F21 F30 LCI Mini F55 F56 Petrol Injector B38 B48 7639990
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7542541-1
BMW 1 3 5 7 Z4 Series E60 E65 E81 E85 E87 E90 Injection Tube Fuel Rail 7542541
€28.95
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7537319
BMW E60 E87 LCI E90 E91 F30 F10 Pressure Sensor Fuel High Pressure Rail 7537319
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7789661
Fuel Injector BMW E46 X5 E53 E60 E61 E65 Diesel M57N 330d 7789661
€37.95
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8631820
BMW G20 G30 Mini Cooper F55 F56 High Pressure Rail Fuel Petrol Sensor 8631820
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8511630-2
BMW F20 F21 LCI 114d 116d Diesel B37 Set Fuel Pump Injector Injection System
Promo price
€522.95
€444.51
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8511630-3
BMW F20 LCI Mini Cooper One D F56 B37 Fuel Pump Injector Injection System Set
Promo price
€474.95
€403.71
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7809128-1
Fuel Injector Rail BMW X1 F84 F30 F31 Pressure Sensor 7809128
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 7805727-2
BMW E60 E61 E83 E90 E91 Fuel Rail M57N2 High Pressure Fuel Rail 7805727
Promo price
€75.95
€45.57
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7804237
BMW 5 7 X5 Series E53 E60 E65 M57N Diesel Injector Pressure Hose Assy 7804237
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7639990-1
Injector Set BMW F20 F30 LCI Mini F60 Petrol B38 Fuel Injector X3 7639990
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 8604231
Fuel Pump BMW F20 E88 F30 F12 N55 Petrol Engine High Pressure Injection 8604231
Promo price
€113.95
€68.37
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8483903
BMW F40 F44 Mini F54 F55 F56 F57 F60 High Pressure Fuel Pump Cover 8483903
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 8694198-2
BMW 1 3 4 X1 F20 F30 LCI F32 F48 B48 High Pressure Rail Fuel Petrol 7639979
Promo price
€85.95
€51.57
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 6856290
BMW Z4 3 X1 F30 E84 E89 R55 R56 Pressure Sensor 6856290
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7805727
BMW E60 E61 X3 E83 E90 E91 High Pressure Fuel Rail M57N2 7795514
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8642294-1
Injector Bracket Set BMW F20 F30 LCI Mini F60 Petrol B38 Injector Mount 8642294
Promo price
€32.95
€28.01
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7805430-3
BMW F10 F11 535d N57S Diesel Fuel Pump Injector Injection System Set
Promo price
€949.95
€807.46
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8665635-1
BMW F20 F30 F32 M140i 340i 440i High Pressure Rail Fuel Petrol B58 8665635
Promo price
€61.95
€52.66
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7604405
BMW E88 F07 F20 F36 High Pressure Pipe HPFP Pump To Fuel Rail N55 Petrol 7604405
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 7563512
BMW E90 320si N45 Petrol Injection Tube Fuel Rail Injectors 7563512
Promo price
€89.95
€53.97
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7809798-2
Fuel Injector Clamps BMW E81 E90 F10 F20 F30 Clamping Jaw Set of 6 Diesel
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8514154
BMW 1 3 Series F20 F21 F30 F31 LCI B47 Fuel Pressure Rail Accumulator 8514154
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8629250
BMW G20 G21 G30 G31 F44 High Pressure Pump Tappet 8629250
Promo price
€32.95
€28.01
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7604407
Fuel Pipe BMW F20 E88 F30 F10 F26 N55 High Pressure Pump Feed Line Tube 7604407
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7599878
BMW F01 F02 F10 F12 X5 F15 Fuel Injectors Mount Bracket Holder Support 7599878
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7542541
BMW 1 3 5 7 Z4 Series E60 E65 E81 E85 E87 E90 Injection Tube Fuel Rail 7542541
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 7799610-2
BMW E60 E61 LCI E90 E91 E92 Fuel Pressure Sensor Regulation Valve Rail 7799610
€32.95
Free delivery: Jul 23 – 28
If paid before 14:00
Part no. 8665635-2
BMW F20 F30 F32 M140i 340i 440i High Pressure Fuel Nozzle Set Petrol B58 8665635
€42.95
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 8656548-1
BMW F46 G20 G21 G30 G31 Mini Cooper F55 F56 F57 Petrol Injector Fuel Set 8656548
Promo price
€89.95
€53.97
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8694197
BMW F20 F30 LCI Mini F55 F56 High Pressure Rail Fuel Petrol 8694197
Promo price
€37.95
€32.26
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7636143
Fuel Tank Ventilation BMW F20 F21 F30 Valve With Pipe 7636143
Promo price
€28.95
€24.61
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7599907
BMW 1 3 Series F20 F21 F30 LCI Mini R55 N R56 LCI Pressure Sensor 7599907
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7562474-1
High Pressure Fuel Rail BMW E60 E87 LCI E81 E82 E88 E90 Petrol N43 7562474
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 8577651-3
Fuel Pump BMW F20 F21 116d ed N47N 116HP High Pressure Injection Pump 8515058
Promo price
€85.95
€51.57
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7805428-7
BMW F01 F07 F10 F11 Diesel N57 Engine Fuel Injection Injector System Set
Promo price
€712.95
€606.01
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8581361
BMW 1 2 3 Series F20 F21 F22 LCI F30 F31 Holder Cable NOX / Sensor PM 8581361
Promo price
€36.95
€31.41
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7639975-2
BMW F20 F30 LCI Mini F55 F56 B38 High Pressure Rail Fuel Petrol 7639975
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 7585411-1
BMW F10 F20 F21 F30 N20 Petrol High Pressure Fuel Rail Line 7585411
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 7852402
Fuel Rail BMW F90 M5 F91 M8 G11 G15 G30 1-4 Cyl Petrol High Pressure 7852402
Promo price
€89.95
€53.97
Free delivery: Jul 23 – 28
If paid before 14:00
-40%
Part no. 7852403
Fuel Rail BMW F90 M5 F91 M8 G11 G15 G30 5-8 Cyl Petrol High Pressure 7852403
Promo price
€113.95
€68.37
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 7599876
BMW F10 F11 LCI F06 F13 X5 F15 N63N Fuel Injector Injection Nozzle 7599876
Promo price
€37.95
€32.26
Free delivery: Jul 23 – 28
If paid before 14:00
-15%
Part no. 8514146-4
BMW F45 F46 218d X1 F48 18d B47 Diesel Set Injector Fuel Pump Injection System
Promo price
€550.95
€468.31
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 8694198-1
Fuel Rail BMW F20 F30 LCI F32 X1 F48 B48 High Pressure Petrol Rail 7639979
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
-5%
Part no. 1707843
BMW X5 Series E53 M54 4.4i Fuel Injection Valve 1707843
Promo price
€23.95
€22.75
Free delivery: Jul 23 – 28
If paid before 14:00
Used fuel injection system parts – injectors, pumps, rails, and fuel system elements
The main components of the injection system and their functions
The fuel injection system is the heart of a modern engine, responsible for the precise dosing of fuel into the combustion chamber. It is thanks to this system that your vehicle can achieve excellent results in terms of power, fuel economy, and exhaust emissions. In the Global Parts automotive store, you will find a wide selection of used car parts for fuel injection systems, perfectly matched to brands such as BMW, Audi, Volkswagen, Mercedes, or Mini. Our parts are a guarantee of quality and durability, which will allow your vehicle to perform at the highest level.
How does a fuel injection system work?
The fuel injection system is an advanced system that works with other engine components to ensure optimal combustion of the air-fuel mixture. Its key elements include:
- Other fuel injection system parts – additional components necessary for the proper functioning of the fuel system.
- Injector nozzles – responsible for the precise atomization of fuel in the combustion chamber, which affects combustion efficiency and vehicle performance.
- High-pressure fuel pumps – key elements of the injection system that deliver fuel at the appropriate pressure to the injectors. An efficiently operating fuel injection system means not only more power and economy but also a longer engine lifespan and lower emissions of harmful substances.
Construction and purpose of fuel injection systems
Fuel injection systems are a set of components responsible for drawing fuel, generating the appropriate pressure, and delivering it to the cylinders at the right moment. A typical set includes a fuel pump, lines, a fuel rail, a regulator, and injectors, and in many versions, also sensors that work with the engine control unit. This system is located between the fuel tank and the combustion chamber and must work with the intake equipment and control electronics. If you are looking for a subassembly such as an Audi A4 B8 injection pump, it is worth comparing the OEM number, pump drive type, engine version, and electrical connector type before installation.
Definition and types of fuel injection systems
Fuel injection systems can be divided into several types, depending on the technology used by the manufacturer. The most common are the Common Rail system, injection pump with a fuel rail, and direct injection (GDI). In Common Rail systems, fuel pressure can reach up to 2000 bar, which allows for very accurate dosing and reduces fuel consumption by up to 10–15%. These systems are installed in many modern models, including the BMW 3 Series (E90), Audi A4 B8, or Volkswagen Golf VI.
Differences between types of fuel injection system components
| Component type | Main function | What to check before purchase | Cooperating elements |
|---|---|---|---|
| Injector | Doses and atomizes fuel at the right moment | OEM number, injection code, connector type, engine version | Fuel rail, engine ECU, seals |
| High-pressure pump | Generates the pressure needed to supply the rail and injectors | OEM number, mounting method, drive gear, engine compatibility | Fuel lines, pressure regulator, rail |
| Fuel rail | Stores fuel under pressure and distributes it to the injectors | Port layout, pressure sensor, engine version | Injectors, pressure sensor, lines |
| Regulator or control valve | Stabilizes the operating parameters of the entire system | Control type, connector, compatibility with pump or rail | Pump, fuel rail, ECU |
Why is it worth taking care of the fuel injection system?
Regular maintenance and replacement of worn fuel injection system components are essential for achieving optimal engine performance and reliability. A neglected system can lead to:
- Uneven engine operation.
- Increased fuel consumption.
- Difficulty starting the vehicle.
- Higher exhaust emissions. At Global Parts, we offer original used car parts that undergo thorough quality checks, ensuring their full functionality.
Fuel dosing function and the importance of operating pressure
Fuel dosing serves to maintain the correct mixture proportions depending on the load, temperature, and engine speed. In practice, this means that even a small leak or pressure drop can worsen starting, smoothness of operation, and throttle response. In diagnostics, components from the Fuel filters and Lines, hoses, and pipes categories are often checked, as they affect the tightness and stability of the supply.
Table of symptoms and fuel injection system components
| Symptom | Possible cause | Component to check |
|---|---|---|
| Uneven engine operation | Injector leak | Fuel injector |
| Engine power loss | Worn high-pressure pump | Injection pump / pressure regulator |
| Difficulty starting | Contaminated fuel filter | Filter / fuel rail |
| Engine smoking | Incorrect injection pressure | Nozzles or control valves |
How to choose the right parts for fuel injection systems?
When choosing fuel injection system parts, such as injectors, injection pumps, or pressure regulators, it is worth paying attention to:
- Vehicle model compatibility – every car manufacturer and model has its own unique requirements. At Global Parts, you will find parts perfectly matched to BMW, Audi, Volkswagen, Mercedes, or Mini.
- Technical condition – check that the components are free from damage and ready for further use.
- Type of fuel injection system – for example, common rail systems require precise injectors that are adapted to high operating pressures.
Compatibility and fitment
When choosing fuel injection system parts, it is worth paying attention to OEM compatibility – every element, such as a high-pressure pump or fuel rail, has its equivalent in manufacturer catalogs. At Global Parts, you can select a part based on the VIN, which guarantees perfect fitment and simple installation. This avoids the risk of incorrect component selection, and the replacement is faster and cheaper. It is worth knowing that most pumps and injectors can be used interchangeably in various VAG group models.
Selection of cooperating equipment and installation check
The fuel rail is a collector element that distributes fuel to individual injectors and often works with a pressure sensor and a control valve. When selecting, you must check not only the part number itself but also the number of outlets, the position of the ports, the thread type, and the presence of equipment. When completing a repair for a specific model, e.g., BMW E90, it is good to also verify related Fuel pumps and level sensors and Air and fuel intake sensors.
Why choose used fuel injection system parts?
Used car parts are an excellent solution for those looking for savings without sacrificing quality. By choosing used injectors, pumps, or regulators, you gain:
- Lower costs – used components are cheaper than new ones but offer equally high quality.
- Ecology – you support recycling, reducing the amount of automotive waste.
- Wide selection – in our offer, you will find fuel injection system elements for the most popular car brands.
Technical data and performance of fuel injection systems
Injectors in modern diesel engines operate with a frequency of up to 5–7 injections per cylinder cycle, which allows for very smooth acceleration and lower fuel consumption. In turn, injection pumps can maintain operating pressure in the range of 1500–2500 bar. Such parameters guarantee the highest efficiency and long life of the entire system. When choosing an element like Audi A4 B8 injectors, it is important to compare the manufacturer's marking, performance class, correction code, and compatibility with the specific engine version.
How to take care of your vehicle's fuel injection system?
To ensure the fuel injection system works efficiently for a long time, it is worth remembering a few key rules:
- Regularly clean and maintain fuel injectors to avoid clogging.
- Use high-quality fuel and apply cleaning additives that improve system operation.
- Check and replace injection pumps and pressure regulators according to the manufacturer's recommendations. In case of failure or wear of components, at Global Parts you will find suitable used auto parts that will help restore your vehicle to full efficiency.
Benefits of regular service
Regular inspection of the fuel injection system not only increases engine life but also reduces fuel consumption by an average of 5–8%. Well-maintained injectors and pumps guarantee smooth operation of the power unit and less load on other subassemblies, such as the turbocharger or EGR valves. A practical supplement to knowledge about equipment and design changes in popular models is the article Hot-hatch legend: the evolution of the VW Golf GTI from Mk1 to Mk8 – design changes and VW car parts.
FAQ
| Question | Answer |
|---|---|
| What is the construction and purpose of fuel injection systems? | Fuel injection systems are sets of components responsible for transporting, compressing, and precisely dosing fuel into the engine. They usually consist of a pump, lines, a fuel rail, injectors, and pressure control elements. They are mounted between the fuel tank and the combustion chamber and work with the engine electronics. |
| What are fuel injection systems used for? | Fuel injection systems are used to deliver the appropriate dose of fuel at the right moment of engine operation. Their task is to maintain proper combustion, performance, and smoothness of the power unit. When they malfunction, problems with starting, power loss, and increased fuel consumption may occur. |
| What is the construction and function of a fuel rail? | A fuel rail is an element that distributes fuel to individual injectors at a set pressure. Depending on the design, it may work with a pressure sensor and a control valve. Its proper tightness and compatibility with the system affect the even supply of the cylinders and the stability of engine operation. |
| How to choose parts for fuel injection systems for a specific engine version? | It is best to compare the OEM number, engine code, connector type, and factory-installed equipment version. It is also worth checking whether the part is intended for the pre-facelift or facelift version and whether it fits the specific control type. For elements such as pumps and injectors, verification by VIN is also helpful. |
| What symptoms indicate a problem with the fuel injection system? | The most common are uneven engine operation, difficulty starting, power loss, and increased smoke. Symptoms can result from an injector leak, unstable fuel pressure, or dirt in the system. In diagnostics, it is also worth checking the fuel filter, lines, and cooperating sensors. |
| What should be paid attention to when installing used fuel injection system parts? | Before installation, compare catalog numbers, mounting points, ports, threads, and the type of electrical plug. In many cases, you also need to assess the condition of the seals and check whether the part works with the remaining fuel equipment. Proper selection limits the risk of leaks and speeds up the installation itself. |
Summary: fuel injection systems and parts at the Global Parts automotive store
Fuel injection systems are the foundation of the efficiency and reliability of every engine. By taking care of their proper operation, you ensure your vehicle has optimal performance, fuel economy, and a longer lifespan. In the Global Parts offer, you will find proven components for many car models, including BMW, Audi, Volkswagen, Mercedes, Mini, and others. Properly selected pumps, injectors, rails, and regulators help maintain correct engine supply parameters and simplify repairs in accordance with the OEM number and car version. We invite you to contact us – we are here to help you! For more information and interesting facts, we also invite you to our automotive blog.