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.
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Part no. 9263803-2
BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Engine Wiring BMW F20 F21 LCI B37 Injector Loom Harness Cable Module 8571039
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698700689
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BMW F20 F21 LCI Wiring Loom Harness Rear Trunk Lid Right O/S 9251725
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Mercedes W203 C180 Kompressor M271.946 Engine Control Unit ECU A2719000600
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Mercedes-Benz W212 SAM Fuse Prefuse Box Relay Control Unit A2125406250
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BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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Mini Cooper One R50 R52 R53 Cable Door Right Wiring Harness Loom 6975062
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BMW E65 Cable Harness Door Panel Card Rear Wiring Loom 6913147
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Mini Cooper Cabrio 1 R57 Aerial Roof Antenna Base Unit 3453891
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Tailgate Module Mercedes W204 W212 Boot Lid Locking ECU Control Unit A2128203542
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BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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BMW E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue
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Part no. A2129008507
Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Part no. 9153779-1
BMW E90 Light Module Xenon Footwell Control Unit Module ECU PL2 FRM II 9153779
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Part no. 1438902
BMW X5 Series E53 4.4i Petrol M62 B44 448S2 Engine Wiring Loom Harness 1438902
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Engine Wiring Mercedes W169 W245 Loom Cable Harness Injector Module A6401503733
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Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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Part no. A2129008307
Mercedes W212 Fuse Box Control Unit Module SAM Relay Box A2129008307
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BMW F20 F21 F30 F31 F32 F33 Negative Minus Pole IBS Battery Lead Cable 9117877
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Part no. A2518206510
Mercedes W212 Light Sensor Sunlight Sensor Front A2518206510
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Part no. 7550319
Mini R50 R52 Alternator Generator 110A Benzin 7550997 7550319
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Part no. 6921965
Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
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Part no. 9130563
BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Part no. 9249080-2
Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
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Part no. A2049004714
Mercedes W204 COMAND Navi CD Player Radio Sat Nav Head Unit A2049004714
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Part no. 9149080-3
Roof Antenna Mini Cooper R57 Convertible Cabrio Aerial Base 9149080
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Part no. 9267205-2
Junction Box BMW X1 E84 ECU Body Control Module H2 PL2RR JBBFE IIIR 9267205
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Part no. 8510221-10
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Part no. 6955346
M-Audio Controller BMW E60 E61 E63 E64 Radio Player M-ASK CD Head Unit 6955346
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Part no. A2045452647
Mercedes W204 Aerial Antenna Control Unit Bracket Holder Mount A2045452647
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Part no. 7591534
BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Part no. 7508054
BMW X5 E53 4.4i 4.6is M62 Water Cooled Alternator Generator 150A
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Part no. 9217033
Battery Cable BMW F01 F02 Positive Wiring Plus Pole Red 9217033
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Part no. A6461532591
Mercedes W639 Vito 111 CDI OM646 Engine Unit Module ECU A6461532591 Manual
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Part no. 9287250
BMW X5 E70 LCI Footwell Light Control Module Unit Lear FRM3R XE 9287250
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Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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IBS Cable BMW E93 Negative Battery Lead Wiring Harness Control Unit 7587465
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Part no. 7557395-5
Mini Cooper R50 R52 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Mini One R55 R56 N12 1.4 95HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Part no. A6394460442
Mercedes Vito W639 Air Module System Control Unit A6394460442
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Part no. 9116445
BMW Z4 E85 E86 Basic Body Control Unit Module GM5 Star12 LOW 9116445
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Part no. A2038200389
Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Part no. 7199819
Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
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Part no. 8517727-4
Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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Part no. 9278074-1
BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Part no. 7823973-3
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
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Part no. 7520019-12
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 7527610-7
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Part no. 7545789-2
MINI Cooper R50 W10 116HP Engine ECU Kit DME EWS Key 7545789 Automatic
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Part no. 7615484-2
Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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Part no. 9118749
BMW Z4 E85 E86 Air Module ECU Control Unit Module 9118749
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Part no. 6953424-1
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Part no. 2248296
BMW 3 X5 Series E46 E53 3.0d Diesel M57 Alternator Generator 150A 2248296
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Part no. 7566525
BMW E82 E90 135i 335i N54 Engine Gearbox Wiring Loom Harness Cables 7566525
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Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
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Part no. 6965942-1
PDC Wiring MINI Cooper One R50 Rear Bumper Cables Loom Set
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Part no. 3456951
Mini Cooper R56 LCI Footwell Light Module LOW EKS ECU PL3 FRM3R Lear 3456951
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Part no. 9292248
BMW F30 F31 F32 F33 Central Information Screen Display 8,8" 9292248
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Part no. 7570487-1
Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Part no. 6941634
Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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Part no. 6941485
BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
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Part no. 6916058
Mini Cooper R50 R52 R53 Support Bracket Navigation Computer 6916058
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Part no. 9298939
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9298939
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Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
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Part no. 9164352
BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
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Part no. 3420851-1
Boardmonitor BMW X3 E83 Central Information Display Screen 6,5" 3420851
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Part no. 7599959
BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Part no. 9352574
Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Part no. 9244429
BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429
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Part no. 9302931
BMW F01 F02 LCI Cable Loom Door Driver's Side Wiring Harness 9262859
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Part no. 9146710
BMW X3 Z4 E83 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 6930204
BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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Part no. 7561684-5
BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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BMW 1 3 E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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BMW 5 6 E61 Touring E63 Coupe Panoramic Sliding Sunroof CAN Bus Control Unit
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BMW 7 Series E65 E66 E67 Control Unit Module Passive Go 6941803
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Part no. 7567321
BMW E81 E87 LCI E90 116i 316i 1.6 N45N ECU Control Unit DME 7567321 Manual
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BMW E60 E90 325i 525i N53 218HP ECU Engine Control Module DME 7588620 Automatic
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Part no. 6989169
Rear Bumper PDC BMW E65 E66 Front Ultrasonic Sensor Schwarz 2 Black 668
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Part no. A2711540802
Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Part no. 7579142-5
BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
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Part no. 6907314
BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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Part no. 9252816
BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Part no. A1765405408
Mercedes-Benz A-Class W176 Front Door Cable Wiring Loom Harness A1765405408
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Part no. A2215420417-MB
Parking Sensor Mercedes W169 W204 W212 PDC Sensor Front Mountain Gray 787
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Part no. 9134734
BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Part no. 7823420-2
BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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Part no. 8574093
BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Part no. 9241032
BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032
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Part no. 7532036
BMW Z4 E85 2.2i 2.5i 3.0i M54 Wiring Loom Harness Engine Module 7532036
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Part no. 7513338
Mini Cooper R50 R52 Automatic Gearbox Transmission Signal Control Module 7513338
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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 .