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. 5A11E72
BMW G20 Axle Differential Module Control Unit ECU 5A11E72
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BMW G20 G80 G82 Amplifier Harman Kardon Booster Audio ECU Unit Module 5A38AB8
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BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor SET X4 Kaschmirsilber
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BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9166666
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BMW E81 E82 E87 E88 E90 E91 Radio Professional CD Player 9242502
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BMW E61 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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Part no. 8512043-3
BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
€28.95
Free delivery - Thu, Nov 20
If paid before 14:00
Part no. 7316142
BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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Part no. 8507136
BMW E90 LCI 330d N57 245HP ECU Engine Control Unit DME Automatic Gearbox
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Engine Wiring BMW X3 G01 X4 G02 B57 Diesel Module 2 Loom Harness 8588681
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Part no. 8678968
Engine Wiring Mini F56 F60 BMW F45 F46 Petrol Sensor Module 1 Harness 8678968
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Part no. 9320144
BMW F10 Sound Audio Amplifier Control Unit Module 9320144
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Part no. 8509224
Alternator BMW F30 F32 N57N 330d 430d Diesel Engine Generator 230A Valeo 8509224
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Part no. 9343605
BMW F30 330e HV Accumulator Battery Clamp Pyro Fuse Auxiliary Connector 9343605
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Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. 9310455
Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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Part no. 6883149
BMW F12 F13 X5 F15 Suspension Control Module VDC Control Unit 6883149
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Part no. 9129850
BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Part no. 7811702-6
BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU DDE Manual 7811702
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Part no. 8680374
BMW F45 Alternator Generator 8680374
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Part no. 8483814
BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
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Part no. 8626762
BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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Part no. 9387151-1
BMW F30 Hybrid 330e B48X Positive Battery Lead Cable Starter Unit Wiring 9387151
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Part no. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Part no. 7541335-3
BMW Z4 E85 3.0i M54 231HP Engine Control Unit Module ECU DME 7541335 Manual
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Part no. 6901469-1
2X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 6901469-2
3X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 6901469-3
Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 6901469-4
5X Relay BMW E60 E87 E90 F10 F30 4 Pin Tyco Set Black 6901469
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Part no. 9196591
BMW E88 Cabrio Convertible Folding Top Roof ECU Module CVM6 9196591
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Part no. 9281714
BMW F83 Camera Kafas Front Windscreen Camera 9281714
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Part no. 6976888-1
Head Unit BMW X3 E83 Z4 E85 E86 Radio Business CD Player 6976888
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Part no. 7831436
Alternator BMW M3 E46 Z3M E36 Petrol S54 Generator Valeo 120A 7831436 7830791
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Part no. 7833284-1
BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Part no. 8243267
BMW E46 Convertible Wiring Harness Fully Automatic Folding Top Left N/S 8243267
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Part no. 7472765
BMW X3 G01 Headlamp LED AHL Adaptive Headlights Control Module FLM 01 7472765
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Part no. 9342033-1
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
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Part no. 6913092
BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Part no. 7165845
BMW E46 Led Indicator Side Light Signal 7165845
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Part no. 8578944-2
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Manual
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Part no. 7788327-1
BMW E46 E60 E83 E90 E91 Diesel M57N M57N2 Glow Plug Preheating Control Module
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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. 8663284-1
BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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Part no. 8733501
BMW F20 F21 F31 F32 F87 Body Control Comfort Module Unit BCM 8733501
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Part no. 9367702
BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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Part no. 8644491
BMW F20 Mini F55 F56 F57 Petrol Engine Wiring Loom Harness 8644491
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Part no. 7788680-5
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Part no. 7649131
BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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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. 7823755
Engine Module Wiring BMW F07 GT F10 F11 Diesel N57N Injectors Harness 7823755
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Part no. 8510592-5
BMW E81 E87 E90 LCI 118d 318d N47 143HP ECU Kit DDE 8510592 CAS3 Key Manual
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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. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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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. 8587952
BMW F20 F21 F30 LCI 120d 320d B47 Diesel ECU Engine Unit DDE 8587952 Automatic
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Part no. 5A7F553
BMW G26 Reverse Rear View Camera 5A7F553
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Part no. 9852925
BMW G16 G26 Tailgate Lift Boot Lid Control Unit Module Trunk 9852925
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Part no. 9227561
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 6939664
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126939664 6939664
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Part no. 9380966
Negative Cable BMW X5 F15 X6 F16 Battery Boot Negative Lead Sensor 9380966
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Part no. 9281717
BMW X5 F15 Camera Kafas Front Windscreen Camera 9281717
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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. 6821203
Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 6821203
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Part no. 6998485
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485
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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. 9338800
iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
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Part no. 9383700
BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9383700
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Part no. 9192665
BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
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Part no. 9185524
BMW E60 E61 Radio Professional Navigation System Controller Head Unit 9214925
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Part no. 8578944-1
BMW F20 120d F30 320d 184HP N47N Engine ECU Kit DDE 8578944 FEM Key Automatic
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Part no. 9233034-SBR
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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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. 8639582-1
BMW F30 335i F32 F33 435i N55 306HP Engine Control Unit ECU 8639582 Automatic
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Part no. 2622593
BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
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Part no. 7549284
BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
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Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
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Part no. 9153804
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9153804
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Part no. 7640132-3
BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Part no. 8671505
BMW F98 Engine Starter Motor 8671505
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Part no. 7607975
Engine Harness BMW F20 F21 F30 F31 Petrol N13 Sensor Module 1 Wiring 7607975
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Part no. 8736083
BMW F98 Battery Lead Pole Negative Cable IBS Sensor 8736083
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Part no. 8746829
BMW X3 M F97 X4 M F98 S58 Actuator Drive Exhaust Flap Motor 8746829
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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. 9275510
Head Unit BMW F07 GT Car Infotainment Computer Sat Nav Multimedia DAB 9275510
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Part no. 9289971
BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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Part no. 7823343
Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
€37.95
Free delivery - Thu, Nov 20
If paid before 14:00
Part no. 7794952-4
Starter BMW E60 520d M57N2 Diesel Engine Starter Motor 7796892
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Part no. 8508654
BMW F10 F11 N47S1 Engine Injector Module Wiring Harness 8508654
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Part no. 6828076-1
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. 5A63731
BMW G20 Reverse Rear View Camera 5A63731
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Part no. 7546990-3
BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990
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Part no. 8625241-7
BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic
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Part no. 6925897
BMW Z4 E85 Roadster Cabrio Convertible Roof Folding Top Module Unit 6925897
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Part no. 6954007-1
PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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Part no. 9476858
Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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Part no. 9286796
BMW E70 Body Control Module Unit Junction Box PL4 JBBFEIII R ECU 9286796
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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 .