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. 6890434
Blind Spot Sensor BMW G30 G31 G11 Lane Change Warning Module Unit RS-01 6890434
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Part no. 9145437-2
Information Display BMW E81 E82 E87 E88 Board Monitor Central Screen 9145437
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Part no. 1438941
BMW X5 SERIES E53 GROUND CABLE ALTERNATOR PETROL 1438941
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Part no. 6972569
BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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Part no. 8727997
BMW F44 Gran Coupe Door Wiring Harness Rear Door Right Left N/O/S 8727996
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Part no. 9343198
BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional CD Player 9343198
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Part no. 9170702-1
Navigation Head Unit BMW E60 E61 CCC CD Sat Nav Player System Controller 9170702
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Part no. 3405141
BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141
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Part no. 5A20558
BMW X2 F39 F45 F46 Automatic Gearbox ECU Control Module EGS Unit 5A20558
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Part no. 9241002
BMW E87 LCI Light Module BASIS LCM Footwell Module PL2 FRM II 9241002
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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. 2295873
BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Part no. 7541335-5
BMW Z4 E85 2.2i M54 170HP Engine Control ECU Kit DME 7541335 EWS3 + Key Manual
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Part no. 6947416
BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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Part no. 6860962
BMW X3 F25 ECU ICM Control Unit Air Module Bag Safety 6860962 0265020494
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Part no. 9241006
BMW E89 Light Led Module Footwell Unit Lear FRM3R PL2 9241006
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Part no. 8709210-1
Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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Part no. 7812500
BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Part no. 7798006-2
BMW E60 E61 LCI E81 E82 E84 E87 LCI E90 E91 N47 Diesel Starter Motor 7798006
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Part no. 9154943
BMW 5 Series E60 LCI Light Control Unit Module LCM LM E6X LWR LEAR 9154943
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Part no. 9247472-2
BMW E84 ECU Body Control Module Junction Box H2 9247472
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Part no. 9205930-1
BMW X5 E70 Telematics Bluetooth Control Unit Module ECU Continental 9205930
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Part no. 9250455
BMW F10 Footwell Light Control Module ECU Unit FRM3 TEMIC 9250455
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Part no. 9236531
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9236531
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Part no. 7595179-13
BMW E81 E87 LCI N43 116i 2.0 122HP Engine ECU Kit 7595179 DME CAS3 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. 7788680-2
BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Part no. 6975686
BMW E60 E61 E63 Control Unit Gateway Module ECU 6975686
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Part no. 9118729
BMW E60 E61 Body Gateway Module KGM HIGH 9118729
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Part no. 9273188
BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
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Part no. 1378238-2
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Part no. 7811151
BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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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. 9268478
BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478
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Part no. 7609656-2
BMW Z4 E89 Roadster 30i N52N 258HP Engine Control Unit ECU DME 7609656 Automatic
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Part no. 9149656
Bluetooth Module BMW E81 E87 E90 E91 Hands-free Control Unit MULF2 9149656
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Part no. 6832699
BMW F30 LCI 330e B48X Battery Lead Negative IBS Wire Earth Cable 6832699
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Part no. 9231093
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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Part no. 7605060-1
Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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Part no. 7809002-1
BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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Part no. 9166708-4
BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 8634166
Alternator BMW G20 G30 G14 B47 B48 B58 B46 Alternator 180A 14V 8634166
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Part no. 9267201
BMW 1 Series E81 Body Control Module L2 PL2RR JBBFE IIIR 61359267201 9267201
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Part no. 7524109
BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Gearbox Manual 7524109
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Part no. 9380883
BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883
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Part no. 9321016
On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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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. 9204524
BMW 1 Series E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9204524
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Part no. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
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Part no. 9204526-1
BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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Part no. 9315094
BMW X3 F25 Rear Bumper PDC Wiring Loom Parking Sensor Cable Harness 9315094
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Part no. 7798179-1
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Key
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Part no. 6978271
BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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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. 6938264
BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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Part no. 9193747
BMW E60 E63 E90 Dashboard Dash Onboard Monitor Display Screen 8.8"
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Part no. 8092206-6
Air Module Wiring BMW F20 F21 F22 F30 F31 Steering Wheel Harness Cable 8092206
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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. 9231931
BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Part no. 6918871
BMW X5 Series E53 Radio BMW Business Cassette Player 6918871
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Part no. 8361584
BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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Part no. 6933866
TV Function Module BMW E65 E66 E67 Video Control Unit Tuner 6933866
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Part no. 6824109
BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Part no. 6912824
BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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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. 2687921
BMW 5 X3 Series E39 E60 E61 E83 PDC Ultrasonic Parking Sensor Black 4687921
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Part no. 6868873
Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Part no. 7316215
Headlight Module BMW F06 F12 F13 Xenon Headlamp Control Unit AHL 7316211
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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. 8375653
BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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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. 7243564
BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564
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Part no. 6983009
BMW X5 E61 E65 E70 E90 Telematics ECU Control Unit GSM 6983009
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Part no. 7565300-12
BMW E87 E90 E91 120i 320i N46 150HP ECU Kit DME 7565300 CAS3 + Key Manual
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Part no. 9274569
CIC Professional Unit BMW F01 F10 Sat Nav Infotainment Radio Player Head 9274569
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Part no. 7115654
BMW E60 E61 Rear PDC Parking Sensor Mysticblau Mystic Blau Blue 7115654
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Part no. 8512411-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Part no. 6965050
CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050
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Part no. 7550975-1
Starter BMW E81 E82 E87N E88 E90 E91 E92 N43 Starter Motor 7550975
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Part no. 9176877-1
BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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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. 9134662
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 9134662
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Part no. 8642585
Gearbox Cable BMW F45 F46 F39 B48 Automatic Transmission Wiring Harness 8642585
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Part no. 7533651-5
BMW E60 525i M54 192HP ECU Engine Control Unit Module DME 7533651 Automatic
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Part no. 9170454
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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Part no. 9257036
CAS4 Module BMW F01 F10 F11 Key Reading Control Unit 9257036
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Part no. 6971960
BMW E87 ECU Junction Box Body Control Module Unit H2 PL2 JBBFE 6971960
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Part no. 7561834-9
BMW E87 E90 E91 N46 120i 320i Engine DME 7561834 ECU KIT CAS2 + 2 Keys Manual
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Part no. 9296494-1
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
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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. 7550891
BMW X5 E53 X3 E83 Four Wheel Drive Transfer Box Control Unit Module 7550891
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Part no. 9386604
BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
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Part no. 9390396
Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396
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Part no. 9281519
BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Part no. 9211969-1
BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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Part no. 9329799
BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Part no. 7843335
BMW F10 M5 F12 M6 Engine Wiring Harness Valvetronic Servomotor Cyl.1-4 7843335
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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 .