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. 7823648
Engine Wiring BMW F10 F11 520d N47N Diesel Loom Harness Cable 7823648
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Part no. 9131850-2
CD Changer BMW E60 E61 E63 6-Disc Compact Changer With Magazine 9131850
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Part no. 6934413
BMW X5 E53 Onboard Computer Navigation System Monitor Widescreen 6934413
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Part no. 7580279-4
BMW E81 E87 E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Manual
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Part no. 7490824
BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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Part no. 6986980
BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Part no. 9494391
BMW F20 F21 F22 F30 F44 F45 F46 Fuel Pump ECU Module Control Unit 9494391
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Part no. 7571510-2
BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Part no. 5B48520
Head Unit BMW F40 F44 Radio Player Navigation Control Module Alpine 5A291C5
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Part no. 6960383
Air Module BMW E60 E61 E63 Gateway High Control Unit ECU 6960383
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Part no. 9253563
BMW F20 F21 Wire Cable Plug Wiring Diagnostic Socket OBD 9253563
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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. 9875930
BMW G20 Head Unit Navigation Audio Player Controller Module 9875930
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Part no. 9225824
PDC Module BMW E81 E82 E87 E90 E91 E92 Parking Distance Control Unit 9225824
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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. 6801252
Mini Cooper R50 R53 Control Unit Module RPA Tire Puncture Warning 6801252
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Part no. 6809049-1
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 6809049
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. 7801711-2
BMW E60 E87 E90 120d 320d 520d M47N2 ECU Control Unit Kit DDE 7801711 CAS2 Key
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Part no. 6956746-MB1
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Set x4 Monaco Blau - A35
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Part no. 8742493
BMW F30 LCI 330e Hybrid High Voltage Battery Electronics Unit 8661800
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Part no. 6952994
Air Module BMW E60 E63 Control Unit Centre Sensor ECU 6952994
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Part no. 6961142
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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Part no. 9227500
BMW E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 6954776
BMW Z4 E85 Roadster Cabrio Convertible Roof Module Folding Top 6954776
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Part no. 6913826
BMW 7 Series E65 E66 Front Bumper PDC Loom Cables Wiring Set 6913826
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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. 9273187-1
Head Unit BMW E90 E91 Radio CD Player Navigation Sat Nav DAB Unit 9273187
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Part no. 6934610
BMW Z4 Series E85 Roadster Passenger Side Door Cable Harness Wiring 6934610
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Part no. 7306797
BMW F30 F31 F32 Tailgate Smart Opener Control Unit Module 7306797
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Part no. 9267514
BMW F10 F11 F12 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9267514
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Part no. 9292656
BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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Part no. 6983302
BMW E90 ECU Body Control Module H1 61356983302 6983302
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Part no. 6976780
BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Part no. 8570676
BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Part no. 6809274
BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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Part no. 9125035
BMW 3 Series E90 E90N E91N E92 E93 LCI Positive Cable Battery Lead 9125035
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Part no. 6947119
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side 6947119
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Part no. 6962767
BMW Z4 Series E85 Roadster Cabrio Safety Information Module Airbag 6962767
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Part no. 6775949
BMW E90 E91 E92 Longitudinal Dynamic Module Cruise Control 6775949
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Part no. 7522980
BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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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. 9225707
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 8516753
BMW F01 730d N57 245HP Engine Control Unit ECU Module DDE 8516753 Automatic
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Part no. 8580390-1
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. 9145115
BMW X5 Series E70 Power Distribution Fuse Box Front 9145115 6931690
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. 6955927
BMW 3 X1 Series E84 E91 E91N LCI Control Unit Sliding Lifting Roof 6955927
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Part no. 7557290-1
BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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Part no. 7521759
BMW 3 5 X5 E39 E46 E53 Automatic Gearbox Basic Control Unit EGS
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Part no. 9368383-1
BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Part no. 7809002-2
BMW E81 E82 E87 LCI E88 N47S 123d Engine ECU Kit DDE 7809002 CAS3 + Key Manual
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Part no. 7792024-1
BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7792024 EWS3 + Keys Manual
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Part no. 9244394
Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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Part no. 6989163
BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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Part no. 6964113
Comunication Module BMW E83 E46 EXCH Telematics Control GSM Bluetooth 6964113
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Part no. 8519005
BMW X1 E84 18dX Diesel N47N 143HP Engine Control Unit ECU DDE 8519005 Manual
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Part no. 9395177
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9395177
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Part no. 7019255
Seat Module BMW E46 E64 Front Seat Control Unit Memory 7019255
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. 7608804
BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
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Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Part no. 9381320
BMW F45 Mini F55 F56 Head Unit Basic Media DAB Headunit 9381320
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Part no. 8588946-2
BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4
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Part no. 6947795
BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6947795
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Part no. 8377656
BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
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Part no. 7835216
BMW 5 Series E60 Saloon M5 S85 Battery Cable Plus Pole Positive Battery 7835216
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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. 9132539
BMW 1 3 Series E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9132539
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Part no. 9186215
Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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Part no. 9261703
Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Part no. 7503505
Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505
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Part no. 8671504
Starter BMW G20 G21 G30 G31 G01 Engine Starter Motor 8671504
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Part no. 8513242-2
BMW F10 F11 520d Diesel N47N 184HP Engine Control Unit ECU DDE 8513242 Automatic
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Part no. 9176826
BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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Part no. 9171217
BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
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Part no. 7633959
BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Part no. 7809941-5
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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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. 7599881-20
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. 8380255
BMW X5 Series E53 Control Element Light Switch 8380255
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Part no. 6920447
BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Unit ECU 6920447
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Part no. 9251975-1
Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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Part no. 7802261-2
BMW E81 E82 E90 E91 N47 Alternator Generator 180A Autoelectro 7802261
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Part no. 7812502-1
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Manual
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Part no. 7848603
Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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Part no. 8578516
BMW F20 F21 N47S1 Wiring Harness Engine Automatic Transmission Module 8578516
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Part no. 6983018-1
BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Part no. 8645325-1
BMW F20 F30 F32 F33 F34 B38 B48 Petrol Engine Alternator Generator 180A 8645325
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Part no. 7552176-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU KIT DME 7552176 CAS2 + Key Manual
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Part no. 6927260
BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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Part no. 7789376-3
BMW X5 E53 3.0d M57 184HP ECU Kit DDE 7789376 + EWS3 + Keys Automatic
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Part no. 7823344-2
BMW F20 F21 F30 F31 F32 N47N Diesel Alternator 175A 7823343 7823344
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Part no. 7304593
Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Part no. 8513242-3
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Part no. 9263800-1
BMW E91 LCI ECU Footwell Light Module FRM3R Lear Led Basis 9263800
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Part no. 9129850
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Part no. 9281518
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Headunit Control 9281518
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Part no. 6940923
BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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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 .