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. 7551252
BMW X5 E53 3.0i Petrol M54 Alternator Valeo 140A 7551252
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BMW X3 X5 E83 E53 Telematics Control Unit Module GSM 9132712
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BMW X3 E83 Transmission DXC Transfer Box Wiring Cable Loom Harness 3414473
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BMW 7 Series E65 E66 Cooler Fan Unit Cooling 6932273 0130002845
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BMW E81 E82 E87 LCI E88 123d N47S 204HP Engine Unit ECU DDE 8512500 Manual
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BMW X5 E53 Navigation System Sat Navi TV Video IBUS Module Unit 6968041
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BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662
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BMW F10 F11 F12 X3 F25 Battery B+ Engine Compartment Terminal Point 9185734
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Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM3R Basis Lear 9224616
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BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
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BMW 3 Series E93 ECU Body Control Module H3 Junction Box PL2 JBBFE II 9160190
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BMW 3 5 X3 X5 Series E39 E46 E53 E83 Control Unit Control Unit EWS IV 9145349
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Part no. 6960223
Airbag Module BMW E65 E66 Sensor Driver's Side Air Bag Control Unit 6960223
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Part no. 7259877-1
BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
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Part no. 9226365
BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365
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BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. 8377049
BMW 3 5 7 X5 E38 E39 E46 E53 6-disc CD Changer Without Magazine 8377049
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082
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Part no. 9118749
BMW Z4 E85 E86 Air Module ECU Control Unit Module 9118749
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BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
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Part no. 6904012
BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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Part no. 8707679
BMW F20 F21 F22 Body Control Module Unit FEM 8707679
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Part no. 9345377
BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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Part no. 9355750
BDC Module BMW X5 F15 Body Domain Controller BDC Unit 9355750
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Part no. 6907657
BMW E46 GM V Body Control Unit Module Junction Box 6907657
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Part no. 6942637
BMW 5 Series E60 M-Audio System Controller Navigation Head Unit 6942637
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Part no. 8408383
Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Part no. 7802927-1
BMW 1 3 E87 E90 E91 E92 M47N2 M57N2 Alternator Bosch Diesel 150A 0 986 080 580
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Part no. 9246500
BMW E90 LCI Professional CD Radio Player 9246500
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Part no. 7352601
BMW X1 Series F48 Head Air Module Roof Curtain Left N/S 7352601
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Part no. 6814187-1
Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Part no. 9176882
BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882
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Part no. 7621178-10
BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Part no. 9236461
BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
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Part no. 9240351-2
BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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Part no. 9231321
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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Part no. 9326026
BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026
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Part no. 6962888
Air Module Sensor BMW Z4 E64 E85 B Pillar Right O/S 6962888
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Part no. 6908767
BMW 3 X3 X5 Series E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452223
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Part no. 8626472
BMW F20 F21 M135i N55 231HP Petrol Engine Control Unit ECU DME 8626472 Manual
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Part no. 9148016-1
BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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Part no. 9263948
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948
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Part no. 9240351
BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
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Part no. 7317408
BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
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Part no. 9298947
BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947
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Part no. 9114356
BMW E60 Dashboard Dash Onboard Display Monitor Screen 8.8" CCC
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Part no. 6799677
BMW F11 Touring Rear Axle Air Suspension Control Unit ECU Module 6799677
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Part no. 9146710-1
Autoradio BMW X3 E83 Z4 E85 E86 Radio Business CD Player Control Unit 9146710
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Part no. 6942912-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box Black 6942912
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Part no. 2354701-1
BMW 1 3 5 7 X5 E60 E65 E70 E81 E87 E90 F10 Starter Motor 2354701
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Part no. 7795520
Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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Part no. 7490465-1
BMW F10 F20 F30 F31 Mini F55 F56 Front Heated Seat Control Module ECU 7490465
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Part no. 7811701-4
BMW E87 LCI E90 118d 318d Diesel N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key
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Part no. 9111718
BMW 1 3 Series E81 E87 E90 Hands-Free Electronics Charging Module MULF 9111718
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Part no. 9123091
BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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Part no. 9181326-1
BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Part no. 8610635-2
BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
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Part no. 9302258
BMW 3 4 Series F30 F31 F32 Control Unit Top Rear Side View Camera 9302258
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Part no. 6840269
Antenna Amplifier BMW X4M F98 G02 Radio Signal FM2 DAB Amplifier Module 6840269
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Part no. 9175650
BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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Part no. 9244188
Telematics Module BMW F01 F07 F10 Bluetooth Combox Telematik ECU 9244188
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Part no. 7638193
BMW F20 F21 F30 F31 N13 114i 116i 118i 316i Petrol Engine Starter Motor 7638193
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Part no. 8620771
BMW F20 F21 F30 F32 N55 Power Distribution Module Bracket Cover Carrier 8620771
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Part no. 9243211
Central Gateway Module BMW F10 F11 ECU Control Unit Lear ZGW-02 Mid 9243211
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Part no. 6878198
BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. 9205279
BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9197127 9205279
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Part no. 7524843-1
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
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Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. 9173686
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 6933238
BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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Part no. 8736162
Head Unit BMW F20 F21 F22 F30 F31 F82 LCI Sat Nav Radio Media Navigation 8736162
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Part no. 9170717
BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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Part no. 9129439
BMW E61 E92 F32 LCPA Seat Belt Control Module ECU 9129439
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Part no. 6905491
Airbag Module BMW E46 X5 E53 Control Unit ECU Side Air Bag 6905491
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 7553166-3
BMW E60 E90 E91 N52 330i 530i ECU Kit DME CAS2 Key 7553166 Automatic
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Part no. 7809001-1
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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Part no. 9399431
BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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Part no. 9124632
BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Part no. 7578032
BMW E81 E87 LCI E90 E91 N43 Petrol Engine Control Unit ECU DME 7578032 Manual
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Part no. 8375497
BMW E39 Cruise Control Unit Module 8375497
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Part no. 8383149
BMW E46 Radio Business Cassette Player Audio Control Head Unit 8383149
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Part no. 9170702
BMW 5 Series E60 E61 LCI CCC CD Sat Nav Head Player System Controller 9170702
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Part no. 9218086
BMW E81 E87 E90 LCI Top Hifi System Amplifier Logic 7 L7 Harman Becker 9218086
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Part no. 7218339
Control Unit BMW E60 E61 E81 E87 E90 Fuel Pump ECU 7218339
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Part no. 9362397
BMW 1 Series F20 Rear Module Fuse Box Power Distribution Control 9362397
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Part no. 9177978-1
BMW E82 Coupe ECU Body Control Module Junction Box L1 PL2 JBBFE II 9177978
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Part no. 9131766
Seat Wiring Cable BMW E81 E82 E90 E92 Front Right O/S Seat Loom Harness 9131760
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Part no. 7493231
BMW F32 F36 F80 F82 M4 LCI Headlight Indicator Light LED Module Left N/S 7493231
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Part no. 8360568
BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
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Part no. 8513242
BMW F10 F11 520d Diesel N47N 184HP Engine ECU DDE 8513242 Automatic
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Part no. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. 6960226
Air Bag Module BMW E65 E66 Sensor Rear Seat Airbag Control Unit ECU 6960226
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Part no. 6819332
Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
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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 .