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
Part no. 7419610-1
BMW F30 F31 LCI Headlight LED Module Insert Light Source Control Unit 7419610
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7524715
BMW Z4 E85 Roadster Starter Earth Ground Wire Cable 2.0 Petrol 7524715
Promo price
€51.95
€31.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8512499-10
BMW X1 E84 18d N47 ECU Engine Control Unit Kit DDE 8512499 CAS3 + Key Manual
Promo price
€199.95
€119.97
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9270501
BMW X3 E83N E70 LCI E71 PDC Parking Ultrasonic Sensor Schwarz 7687127
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8621190
BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6912755
BMW X5 E46 E53 Side Air Module Control Unit ECU 6912755 6962530
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. LHD-9127429
BMW E60 Main Head Wiring Loom Harness Cables M57N2 530xd 9127429
€113.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9188582
BMW X3 F25 Holder Audio Amplifier Telephone Bracket Mount Trim 9188582
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9210120
BMW F07 GT Door Wiring Loom Cable Harness 9210120
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8592700
Glow Plug Wiring BMW F48 Mini F57 Wiring Harness Engine Module 8592700
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 7843349
BMW F10 F11 LCI M5 F06 F13 M6 S63N Cable Alternator Starter Base B+ 7843349
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9270495
BMW X5 X6 5 6 Series E70 E71 F10 F11 F12 PDC Ultrasonic Sensor Black 9270495
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8617778
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8617778
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9227118
BMW F07 GT On Board Central Information Display Screen Monitor 10,25" 9227118
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9225830
BMW F07 Right O/S Central Bass Loud Speaker Stereo System Unit 9164582
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9210135
BMW F07 GT Rear Door Wiring Loom Cable Harness 9210135
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9230455
BMW E81 Footwell ECU Light Control Module Basis PL2 FRM3R Lear 9230455
Promo price
€123.95
€74.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6911024
BMW Z4 E85 E86 Battery Mounting Bracket Part Holder 6911024
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6977054
BMW X5 E70 Driver Side Front Right O/S Door Cable Harness Wiring 6977054
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6934002
BMW 7 SERIES E65 E66 Door Wiring Harness Mod Carrier Front Left N/S 6934002
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8574095-2
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual
Promo price
€227.95
€136.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6836648
BMW G32 Adapter Cable Switch Door Center 6836648
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7583225-11
BMW E87 LCI E90 118i 318i N43 143HP ECU Control Kit DME 7583225 Automatic
Promo price
€270.95
€162.57
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8718207
BMW F20 F21 F22 F30 F31 LCI Head Unit Sat Nav Media Navigation 8718207
€332.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 3451585-2
BMW X3 E83 Instrument Panel Glass Speedo Clocks Cluster Glass Covering Panel
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9274023
BMW F20 F21 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9274023
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8519009
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual
€75.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9270495-2
BMW X5 E70 X6 E71 F10 F11 F12 PDC Ultrasonic Parking Sensor SET X2 Black 9270495
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8616810
BMW 1 2 3 4 Series F20 F21 F22 F23 F30 F31 F32 Battery Cable Connecying Line
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6882972
BMW F33 ECU ICM Control Sensor Unit Air Module ECU 6882972
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6922262
BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6922262
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9264573-1
BMW E81 ECU Body Control Module Unit Junction Box H2 PL2 RR JBBFE 9264573
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9232896
Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9232896
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8679817
BMW F98 Earth Ground Cable Negative Battery Lead Wiring 8679817
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6992955
BMW F25 Footwell Light Control Module ECU Unit FRM3 TEMIC 6992955
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7789222
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 Cable Alternator Starter
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6951855
BMW 6 E64 E64N LCI Convertible Suppression Filter Aerial Module Antenna 6951855
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9271716-1
BMW F20 F30 Head Unit Radio CD Player Multimedia Control Unit Alpine 9271716
€70.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7583526-1
BMW X3 Series E83 2.5si N52N 218HP Engine ECU Kit DME + Key 7583526 Manual
Promo price
€417.95
€250.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9259469
BMW X3 F25 Fuse Box Power Distribution Control Unit Module Rear 9259469
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7195768
BMW 7 Series E65 E66 E67 Battery Holder Hold Down Strap Bracket 7195768
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6968651
BMW 3 Series E93 Cabrio Rear Left N/S Aerial Antenna Unit AM/FM 6968651
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9286941
BMW F10 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9384214
BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9384214
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8605458
Wiring BMW X1 E84 F11 N20 Engine Sensor System Module Wiring Harness 8605458
Promo price
€108.95
€65.37
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7798006-2
BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9317866
BMW 3 Series F30 330e Hybrid Battery Accumulator Bracket Holder Mount 9317866
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7793200
BMW X5 E70 X6 E71 E90 E90N E91 E92 E93 Cable Alternator Starter 7793200
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8582279
BMW F30 320d ed Diesel N47N 184HP Engine Control Unit ECU DDE 8582279
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8590041
BMW G30 G31 B47 Diesel Glow Heater Plug Engine Wiring Loom Cable 8589786
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9391253
BMW F10 F11 Wiring Cable Loom 9391253 9391252
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6940588
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6940588
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6928461
BMW E46 E60 E61 E63 E81 E87 E90 E91 X3 E83 X5 E53 E70 Bluetooth Antenna 6928461
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6905950
BMW X5 Series E53 Spoiler Dualband Antenna Amplifier Aerial 6905950
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9348411
BMW X3 F25 Hifi System Audio Sound Amplifier AMP Module Unit 9348411
Promo price
€108.95
€65.37
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6934096
BMW 7 Series E65 Cable Harness Door Rear Right Left N/O/S Wiring Loom 6923713
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8574091
BMW F10 F11 520d N47N 184HP Engine Control Unit ECU DDE 8574091 Automatic
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7599378
Transmission Wiring BMW F20 Petrol N55 Automatic Gearbox- Engine Harness 7599378
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8573257
BMW F20 F30 F32 120d 320d 420d N47N 184HP Engine Module ECU DDE 8573257 Manual
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8510591-3
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8510591 CAS3 + Key Automatic
Promo price
€237.95
€142.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9168336
BMW X1 E84 Diversity Aerial Antenna Amplifier DAB 9168336
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9227172
BMW X6 Series E71 ECU Body Control Module Junction Box PL4 9227172 61359227172
Promo price
€146.95
€88.17
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8578504
BMW F30 LCI 335dX N57Z Engine Gearbox Module Wiring Cable Loom Harness 8578504
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6920292
BMW 7 Series E65 Cable Harness Loom Front Door Wiring Left Right N/O/S 6920292
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9204849
BMW X5 X6 Series E70 E71 Airbag Control Module ECU Unit 9204849
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 5A07858
BMW G01 G11 G12 G30 G31 F98 X4M Air Conditioning Control Unit Module 5A07858
€42.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 9389070-1
BMW F36 Fuse Box Control REM Electric Power Distribution 9389070
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6927548
BMW Z4 E85 Drive For Window Lifter Motor Front Right O/S 6927548 9116626
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9389068
Fuse Box BMW F20 F21 F30 F31 F34 Power Distribution Front 9389068
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8372204
BMW X5 Series E53 Control Element Light Switch 61318372204 8372204
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9298936
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9298936
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9364552
Seat Wiring BMW F45 X1 F48 Mini F55 F56 Passenger's Side Sensor Cable 9364552
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8367769
BMW X3 Series E83 Battery cable holder mounting parts B Base 8367769
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7835564-3
BMW E46 M3 S54 343HP Engine Control Unit Kit ECU DDE 7835564 Manual
€1,139.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9229873
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9229873
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8512498-5
BMW E84 E90 LCI 20dX 320xd N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
Promo price
€232.95
€139.77
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 9315080
BMW X3 F25 Window Lifter Switch Driver's Side Wiring Harness Loom Cable 9315080
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7799855-2
BMW 1 3 5 Series E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE CAS2 Key 7799855
Promo price
€541.95
€325.17
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 7222633-1
BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6763735
BMW X5 E60 E81 E87 E90 E91 E92 Xenon Headlight Level Sensor
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 9380334
BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 4SK 9380334
Promo price
€42.95
€36.51
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 9197177-1
BMW 1 Series E88 Cabrio Footwell Light Module Control Unit ECU NSW 9197177
Promo price
€104.95
€62.97
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6949381
BMW E65 E66 Front Door Wiring Door Cable Harness Loom 6949381
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 8581253
BMW X2 F39 F40 F45 X1 F48 Integrated Supply Power Module Control Unit 8581253
€70.95
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 8657232
Engine Wiring BMW F87 M2 N55 Petrol Loom Module Harness Cable 8657232
Promo price
€170.95
€145.31
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8573779-1
BMW F30 330dX 258HP N57N Control Unit Module ECU DDE 8573779 Key FEM Automatic
Promo price
€308.95
€185.37
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6840094
BMW X1 F48 Rear Door Wiring Loom Harness Cable Left N/S 6840096
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 7521582-2
BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-5%
Part no. 6809050
BMW F20 F30 Rear Electronic Module REM Fuse Box Control Unit V2 ECU 6809050
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00
Part no. 6989160-BS
BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 6956939-1
Changer Unit BMW E63 E64 6-disc Compact CD Head Player 6956939
Promo price
€47.95
€28.77
Free delivery: Feb 3 – 6
If paid before 14:00
-15%
Part no. 6818814
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814
Promo price
€155.95
€132.56
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 8602973
Battery Cable BMW F45 Mini F54 F56 B48 Alternator Starter Wiring 8602973
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00
-40%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
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 .