Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
Make
Category
Subcategory
Condition
In Stock
Price

-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6949081
BMW 1 3 Series E81 E82 E88 E92 Front Seat Easy Entry Adapter Wire Cable 6949081
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9200503
BMW E60 LCI F01 F07 F10 ECU USB Hub Control Unit Module 9200503
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9395173
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9395173
Promo price
€189.95
€113.97
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8511958
Glow Plug Wiring BMW F20 LCI F45 F48 B37 Wiring Harness Engine 8511958
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6943771
BMW 1 Series E87 CAS2 ECU Control Unit Key Reading Module 6943771
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7631558
Engine Starter BMW F20 M135i F30 335i F32 435i F80 M3 F82 M4 Motor Start 7631558
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9187533
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9270491-BS
PDC Parking Sensor BMW E70 LCI F07 F25 Ultrasonic Black Sapphire 9216207
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8577243
BMW X3 F25 Battery Cable Wire Lead Positive Alternator Starter X4 F26 8577243
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 9270020
BMW F06 F12 F13 Front Wiring Loom PDC Harness Parking Sensor 9270020
€89.95
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7556880
Engine Wiring BMW Z4 E85 E86 Petrol N52 Loom Harness Module Manual 7556880
Promo price
€227.95
€136.77
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6926435
BMW 1 3 Series E87 E90 Mini R56 R57 Seat Control Unit Module Heating 6926435
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9270392-1
BMW F20 F21 F22 Central Information Display Screen 6,5" 9270392
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8510221-18
BMW E90 E91 E92 LCI 325d N57 204HP ECU Engine Module DDE 8510221 Automatic
Promo price
€42.95
€25.77
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9263800-1
BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
Promo price
€123.95
€74.37
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8639595
BMW F30 F31 F32 320i 420i N20 ECU Engine Control Unit DME 8639595 Automatic
Promo price
€336.95
€202.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7356250
BMW E92 LCI Coupe Mini R56 R57 Xenon Headlight Ballast Headlamp Control 7356250
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9250459
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9250459
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9128570
PDC Loom Cables BMW E81 E87N LCI Front Bumper Wiring Set 9128570
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7612815
BMW F10 M5 F12 F13 M6 F07 X5 F15 Starter Motor 428000-8530 12V 7612815
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8654466-1
BMW F45 225i 231HP B48 Engine ECU Kit Unit DME 8654466 BDC Key Automatic
Promo price
€664.95
€398.97
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7111904
BMW X5 E53 Front Driver Seat Memory Electric Wiring Loom Harness 7111904
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9276016
BMW F11 Aerial Antenna Amplifier Diversity 868 MHZ 9276016
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9241825
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9184432-1
BMW 1 3 Series E81 E87 E90 E91 Control Unit Airbag ECU NO CRASH DATA 9184432
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 9315684
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9315684
€94.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9123739
BMW 1 3 5 7 Series E81 E87 E90 E91 E92 F01 USB USB Hub Audio Interface Module
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7799470
Wiring Bracket BMW E60 E61 X3 E83 Diesel Engine Harness Cable Loom Mount 7799470
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7811176
Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176
Promo price
€113.95
€68.37
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7848469
BMW F80 M3 F82 F83 M4 Wiring Harness Engine Gearbox Module 7848469
Promo price
€94.95
€56.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9207913
BMW F20 F21 F22 F30 F31 F32 F33 F36 G30 Fan Motor Relay 9207913
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9123290
BMW E81 E87 E90 MULF Hands Free Electronics Control Module 9123290
Promo price
€70.95
€60.31
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 3402979
BMW X3 Series E83 2.0d Diesel M47N2 Wire Line Lead For Preheater System 3402979
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9149673
BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9302937
BMW F01 LCI Cable Door Rear Left Right N/O/S Wiring Harness 9262882
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8513161-1
BMW F10 F11 530d N57 245HP Engine Control Unit ECU Kit DDE 8513161 CAS4 2 Keys
Promo price
€275.95
€165.57
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6922666
BMW 7 Series E65 Spare Key Fob Emergency Adapter Case Holder Mount Slot 6922666
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9189905
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9296975
BMW X5 F15 Control Unit Bracket Boot Trunk Module Unit Mount Holder 9296975
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9176069
BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6906618
BMW E60 E61 E63 E64 M5 M6 Power Distribution Fuse Box Rear 6906618
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9181463
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181463
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6934021
BMW 7 Series E65 E66 Front Left Right Door N/O/S Wiring Loom Harness 6920291
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9369124
BMW F10 F20 F30 Front Seat Control Unit Module Memory 9280913
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9381882
BMW F30 F31 F80 M3 Sound Amplifier Hifi Audio Control Unit Harman Becker 9381882
Promo price
€70.95
€60.31
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9315096
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315096
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7634063
Gearbox Wiring BMW F10 F11 520i 528i N20 Automatic Engine Loom Harness 7634063
Promo price
€75.95
€64.56
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9189906
BMW E88 E93 LCI Air Module Control Unit ECU 9189906
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6926358
BMW E87 E90 E91 E92 Front Seat Module Control Unit ECU 6926358
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7561834-13
BMW E87 E90 120i 320i N46 150HP Engine Control DME Module 7561834 Automatic
Promo price
€346.95
€208.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8387547
Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8631727-3
BMW Z4 E89 Roadster 18i N20 156HP ECU Kit DME CAS3 + Key 8631727 Manual
Promo price
€569.95
€341.97
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9339192
BMW F45 F46 Battery Cable Positive Wire Lead Terminal 9339192
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 7248172
BMW 5 Series F10 F11 Drive Window Lifter Motor Front Rear Right O/S 7248172
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6986077
BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6822582
BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582
Promo price
€75.95
€64.56
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 6986987
BMW Z4 Series E85 Cable Loom Passenger's Door Wiring Harness 6986987 6986982
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7181313
BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9367693
BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6958526
BMW 5 X5 X6 Series E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Right O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 3402862
BMW X3 E83 LCi Earth Cable Flow Electric Battery Negative
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6850783
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6850783
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9116542
BMW E39 X5 E53 X3 E83 PDC Parking Distance Control Unit Active Module 9116542
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9321023
BMW F45 X1 F48 Mini F55 F56 B+ Junction Terminal Power Distribution Box 9321023
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6958449
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 61356958449 6958449
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7220891
BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 6824386
Fuse Box Unit BMW F20 F22 F30 F32 Module ECU Control FEM 6824386
Promo price
€89.95
€53.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 5A0FAD6
BMW i4 G26 Hybrid Electric Earth Ground Cable Negative Battery Lead 5A0FAD6
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6778809
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8055326
BMW 3 4 Series F80 M3 F82 M4 LCI Fuel Tank Heat Insulation Plate 8055326
Promo price
€61.95
€37.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9231442
BMW 2 3 4 Series F22 F30 F32 F36 Antenna Suppression Filter Aerial 9231442
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8385157
BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9284974
BMW F10 F11 On-board Central Information Display Screen Monitor 10,25" 9284974
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8379375
BMW X5 Series E53 Loudspeaker Loud Speaker Tweeter Front 65138379375 8379375
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9119495
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9119495
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9252331
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9252331
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8576333-1
BMW F10 F11 520d X3 F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic
Promo price
€218.95
€131.37
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9380323
BMW 5 Series F10 Steering Column Module Electronic Control Unit ECU 9380323
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9259466
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8636069
BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069
Promo price
€85.95
€51.57
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
Promo price
€94.95
€80.71
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9117847
PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8514735
BMW F20 F21 116d ed N47N 116HP Engine Control Unit Module ECU DDE 8514735 Manual
Promo price
€170.95
€102.57
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7581848-1
BMW E81 E87 LCI E90 116i 316i N45N ECU Kit DME CAS3 + Key 7581848
Promo price
€455.95
€273.57
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
Promo price
€42.95
€36.51
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 37820-P73-013
Honda Integra Type R JDM DC2 Engine Control Unit Module ECU 37820-P73-013
Promo price
€379.95
€227.97
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9298959
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9298959
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8593105
BMW G30 G11 G14 Diesel B57 Wiring Glow Plugs Module Wiring Harness 8593105
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 9151978
BMW E60 E63 E64 E90 LCI Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
€47.95
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9331207
BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6992830
BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6911922
BMW Z4 E85 E86 Interior Fuse Power Distribution Box 6911922 8384629
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8584276
BMW F30 F31 320d Engine Control Unit ECU DDE ed Diesel N47N 163HP 8584276
Promo price
€80.95
€68.81
Free delivery - Wed, Nov 05
If paid before 14:00
Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .