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. 9393186
Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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Part no. 8571358
Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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Part no. 7541694
BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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BMW E39 Cruise Control Unit Module 8375497
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BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Part no. 9147220
BMW E60 E81 E82 E87 E90 E91 E92 ECU Key Reading Module Control Unit CAS3 9147220
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2X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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BMW 5 7 X5 E34 E38 E39 E53 Petrol Engine Starter Motor 1729981
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Part no. 6826790-1
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav GPS Unit High 9387565
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Part no. 8360568
BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
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Part no. 9336380
BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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Part no. 8477121
BMW G01 G02 B47D Wiring Harness Engine Recuperation System Supply Module 8477121
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Part no. 8574093-1
BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Part no. 6973983
BMW E60 E81 E87 E90 Snap-in Adapter Basic Telephone NOKIA 6230I
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Part no. 9495909
Airbag Module BMW F45 X1 F48 Mini F54 F55 F56 Air Bag Control Unit ECU 9495909
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Part no. 7849393
Steering Wheel Module BMW F20 F21 F30 F31 F32 Heating Control Unit 7849393
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Part no. 7550967-1
BMW E81 E90 E91 E60 Petrol Alternator Generator 150A 7550967
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Part no. 6971370-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 7363091
Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091
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Part no. 9281688-1
On-Board Screen BMW F30 F31 Central Information Display Monitor 8,8" 9281688
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Part no. 8578946
BMW F20 F30 F32 120d 320d 420d N47N Engine ECU Kit DDE 8578946 FEM Key Manual
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Part no. 9145022
BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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Part no. 9353066
BMW F20 F21 F30 F31 Relay Cover Electric Fan Relay Cap 9353066
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Part no. 9270356
Fuse Box BMW F40 Mini F55 F56 Power Distribution Junction Relay Unit 9270356
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Part no. 9312471
BMW X6 71 Amplifier HiFi Stereo System Sound 9312471
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Part no. 7515391
Starter BMW E60 Starter Motor Bosch 7515391 0001108401
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Part no. 9348362
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Part no. 8385223
BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Part no. 9200447-1
BMW E90 M-Audio System CD Player Controller Navigation Sat Head Unit 9200447
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Part no. 7565300-6
BMW E87 E90 N46 120i 320i 150HP Engine Unit ECU kit DME 7565300 CAS3 Key Manual
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Part no. 6999950
LED Module BMW G11 G12 G20 F90 Dashboard Illumination Control Unit 6999950
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Part no. 6857942
BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Part no. 6870078
Earth Ground Cable BMW G20 G21 G30 G31 G11 Line Strap Battery Lead 6870078
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Part no. 8364530
BMW 3 X3 Series E46 E83 Fuse Distribution Box 8364530
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Part no. 9133281-1
BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 7510638
BMW X5 E53 E60 E65 Integrated Relay Power Supply Module 7510638
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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. 7549396
Earth Ground Cable BMW E90 E91 E92 Negative Battery Lead Wiring 7549396
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Part no. 7542529-2
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 7557809-4
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Part no. 9137725-1
BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Part no. 6872837
BMW F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module 6872837
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Part no. 9126457
BMW E63 E64 LCI Driver's Seat Occupancy Sensor Mat Control Unit Module 9126457
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Part no. 9390576
Airbag Module BMW X1 F48 F45 F46 Air Bag Control Unit ECU 9390576
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Part no. 7812502-2
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic
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Part no. 8510829-6
BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8510829 Automatic
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Part no. 9136039
BMW E60 E63 Body Control Module ECU Control Unit 9136039
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Part no. 9266385
Central Information Display BMW F10 F11 On-Board Screen 10,25" 9247872
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Part no. 6762235
BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235
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Part no. 9276064
BMW X3 F25 Antenna Aerial Diversity Amplifier Unit 868 MHZ 9276064
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Part no. 6958566
BMW E39 Radio Business Cassette Player 6958566 8377005
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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Part no. 6788598
BMW E81 E87 E90 E91 E92 E93 Active Steering Control Unit Module 1277022189
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Part no. 7565300-10
BMW E87 E90 118i 318i N46 129HP ECU Kit DME 7565300 + CAS3 + Key Automatic
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Part no. 9303546
BMW F10 F20 F30 F31 Body Module Control Unit FEM 9303546
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Part no. 9159808-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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Part no. 6967658
BMW E65 E66 Airbag ECU Control Unit Gateway Module 6967658
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Part no. 9236462
Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
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Part no. 7259877
Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
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Part no. 7811700-13
BMW E90 E91 320d N47 Engine Control Unit Module ECU Kit DDE 7811700 CAS3 Key
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Part no. 6929101
BMW 6 Series E63 E64 Front Central Bass Subwoofer Speaker HiFi 6929101
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Part no. 9257151-1
Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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Part no. 8580307-2
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. 9215952-1
BMW E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 9215952
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Part no. 8512498-3
BMW E81 E87 LCI E90 120d 320d N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Part no. 8588898
BMW 1 5 7 Series F20 F21 LCI G11 G30 G31 Diesel Starter Motor Engine 8588898
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Part no. 6976384
BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
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Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
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Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Part no. 7557809-5
BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. 9172364
BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9172364
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Part no. 9112463
BMW Z4 E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9112463
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Part no. 6948729
BMW 5 Series E60 Wiring Switch Engine Hood Bonnet Cable 6948729 61126948729
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Part no. 7501690-1
BMW 3 5 7 X5 E38 E39 E46 E53 M54 Engine Generator Alternator 120A
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Part no. 420919275
Rear Bumper PDC Audi A5 Sensor Parking Distance Control 420919275
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Part no. 9283653
Front Apron BMW F30 F31 F32 Front Bumper PDC Wiring Cable Loom Set 9283653
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Part no. 6983307
BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 6983307
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Part no. 8512047-2
BMW 3 Series E90 E91 LCI N47N 320d ECU Basic DDE Control Unit 8512047 Manual
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Part no. 1436340
BMW E36 E46 Engine Bay Battery Cable Guide 1436340
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Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. 9267421-2
BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Part no. 9119428
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 9119428
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Part no. 9191554
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9191554
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Part no. 9390489
BMW Z4 E89 Footwell Light Module Control Unit ECU FRM3R PL2 Lear 9390489
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Part no. 6943830
Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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Part no. 9329800-1
BMW X1 E84 Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Part no. 8475350-1
BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual
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Part no. 6822626
Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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Part no. 6781575-1
YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. 9160557
BMW Z4 E60 E61 E63 E85 Air Module Control Unit Module ECU 9160557
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Part no. 7811701-3
BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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Part no. 9194064-2
On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Part no. 8512047-3
BMW E90 E91 LCI N47N 320d ECU Kit Basic DDE Control Unit 8512047 + CAS3 + Key
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Part no. 7857778
Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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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 .