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. 7807187
BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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BMW E87 E90 CAS2 ECU Control Unit Module 61356943791 6943791
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BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier 6933575
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BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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BMW F45 LCI 220i B48C 192HP Petrol Engine ECU DME 9897880 + BDC + Key Manual
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Alternator BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Generator 250A Denso 7848603
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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BMW E81 E87 E90 MULF Hands Free Electronics Charging Module 9116725
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BMW E90 Radio Professional CD Player 6983018 65126983018
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Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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Alternator Generator BMW E90 E91 E92 E93 LCI E84 F25 Diesel N47N 8507624
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BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
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Part no. 7789376
BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Part no. 6989207
BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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Part no. 9197176
BMW E82 Footwell Light Module LOW PL2 FRM II 61359197176 9197176
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9199439
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Part no. 8516253
Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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Part no. 9176958
BMW E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9176958
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Part no. 9166279
BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. 7316142
BMW F30 Front Light Lamp Adaptive Xenon Control Unit Module LEAR 7316142
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Part no. 7823973-4
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Part no. 9365833
Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
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Part no. 9263797
BMW E81 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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Part no. 7533270-1
Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Part no. 9259730-1
BMW E81 E82 E84 E87 E89 E90 E91 E92 Radio Business CD 9259730
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Part no. 7552176-3
BMW E87 E90 120i 320i N46 150HP ECU Engine Control Unit DME 7552176 Automatic
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Part no. 9204524
BMW 1 Series E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9204524
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Part no. 9223314-1
GPS Navigation BMW E81 E90 LCI Business System Car Infotaiment Computer CIC
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Part no. 6985501
BMW 3 Z4 Series E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6985501
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Part no. 7569969
BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969
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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. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. 9289007
BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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Part no. 6879834
Control Unit BMW F20 F21 F22 F30 F31 F32 ICM Module ECU 6879834
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Part no. 9225099
Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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Part no. 2354693-3
BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Part no. 9882602
Gearbox Cable BMW F90 M5 F91 M8 Engine Wiring Automatic Transmission 9882602
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Part no. 6944963
BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Part no. 7592080
BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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BMW 1 2 3 4 Series F20 F22 F21 F30 F32 LCI ECU USB Hub Module 9355549
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Part no. 8507136-3
BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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Part no. 9239212
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation Car Computer CIC 9239212
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Part no. 9144773
BMW 1 3 Series E87 LCI E90 E91 E92 Radio CD Professional 9144773
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Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Part no. 6945029
BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6945029
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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. 6947919
BMW E60 E63 E64 Body Control Module ECU 61356947919 6947919
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Part no. 7577068-1
BMW E90 E91 E92 N52N 325i 218HP Engine ECU Kit DME 7577068 + CAS3 + Key Manual
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Part no. 3508099
BMW X3 SERIES E83 Wiring Loom Harness Passenger Side 3508099
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Part no. 9112631
BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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Part no. 9384687
BMW F46 KaFAS Camera Front Windscreen Parking Camera Module Unit 9384687
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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. 7810000-1
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys
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Part no. 9166075
BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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Part no. 5A44586
BMW F40 Ultrasonic Alarm System Module Control Unit 5A44586
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Part no. 6938310
BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Part no. 6914648
BMW X5 Series E53 Xenon Light Control Unit Module ECU LCM III MAN.LWR 6914648
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Part no. 9287535-1
Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
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Part no. 9150883
BMW 3 E93 Convertible Boot Trunk Lid Tailgate Wiring Loom Harness Cables 9150883
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Part no. 6799602
BMW F07 GT Self-Levelling Suspension Control Unit Module Bracket Holder 6792443
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Part no. 7555178
Cover BMW F13 F12 F11 Engine Control Unit ECU Box Top Cover Shield 7555178
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Part no. 7621178-4
BMW E81 E87 LCI E90 N43 118i 318i Engine Control Unit ECU DME 7621178 Manual
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Part no. 7521582-2
BMW 3 X3 Z4 Series 2 E46 E83 E85 Engine Electronics Unit Box 7534922
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Part no. 9224592-3
BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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Part no. 9226238-1
BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Part no. 6927929
Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. 7545042-1
BMW 1 3 Series E87 E90 E91 120i 320i N46 ECU Kit DME 7545042 CAS2 Key Automatic
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Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
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Part no. 6939069
BMW X5 E53 X3 E83 Control Unit Xenon Adaptive Headlight Ballast 6939069
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Part no. 7518709
BMW 3 5 X5 Series E39 E46 E53 Automatic Gearbox Ecu Control Unit EGS 7518709
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Part no. 7798035-4
BMW E70 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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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. 7806987-5
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Part no. 9141682-2
BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9141682
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Part no. 7519721-1
BMW 3 5 7 X3 E46 E60 E61 E65 E83 M54 Alternator Generator 150A TG15C018
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Part no. 6961218-1
BMW 5 X5 Series E39 E53 1 Radio Business CD Player Unit 6961218
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Part no. 6969418
BMW 5 Series E60 E61 Centre Console Switch DTC PDC 6969418
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BMW 7 Series E65 E66 Driver's Seat Airbag Sensor Control Unit Module
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Part no. 6934649
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Part no. 8586536-1
BMW F30 F32 LCI 335dX 435dX N57Z 313HP Control Unit ECU Kit DDE 8586536 FEM Key
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Part no. 9293279
BMW F20 F21 F30 F31 F34 GT Rain Sensor Front Windscreen Light Unit 9293279
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Part no. 8578995
BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Part no. 7527072-7
BMW Z4 E85 2.5i M54 192HP Engine ECU Control Unit Module DME 7527072 Manual
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Part no. 6932812
BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6932812
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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. 5A7F553
BMW G26 Reverse Rear View Camera 5A7F553
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Part no. 6759023
BMW 3 5 7 X5 Series E38 E39 E46 E53 RDC Tyre Pressure Monitor Module 6759023
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Part no. 6904905-1
BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. 7579142-18
BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Part no. 6920182
BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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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 .