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. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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BMW E93 ECU Body Control Module Unit PL2RR JBBFE IIIR H3 Junction Box 9227186
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
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BMW E46 Alternator Generator Diesel Engine M47N M57N 150A Lucas LRA02891
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Part no. 7544610
BMW X5 E53 E60 E65 N62 ECU Basic Control Unit DME 7544610 Automatic
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9242501
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BMW E81 E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7583225 CAS3 + Key
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BMW E60 E61 E63 E64 LCi Fuse Box Power Distribution Rear 9138830
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Part no. 7595179-3
BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Part no. 6906911-1
BMW X5 Series E53 Battery Positive Lead Red Cable Wire Plus Pole 6906911
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Part no. 9206973
BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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Part no. 9130764
BMW E65 E66 CD Audio System Controller Player 9130764
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Part no. 6941485
BMW X5 X3 E53 E83 Control Module Unit Sliding Lifting Roof
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 9176070
BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. 9147191
BMW E60 E81 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9147191
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Part no. 1702103
Battery Terminal Cover BMW E39 Mini R50 R52 R53 Trim Base B + Positive 1702103
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Part no. 9243919
BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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Part no. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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Part no. 7580279-1
BMW E81 E87 LCI E90 E91 118i 318i N43 143HP Engine ECU DME 7580279 Automatic
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Part no. 7391400
BMW F45 Active Tourer LED Module Cornering Light Front Right O/S Unit 7391400
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Part no. 9150718
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9150718
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Part no. 2344232
BMW 3 5 7 X3 X5 Series E46 E53 E60 E65 E83 M57N Starter Motor 2,0 KW 2344232
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Part no. 3414880
BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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Part no. 9267515
Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 ECU 9267515
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Part no. 9119427
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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Part no. 9131850
CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
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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. 8621490
Alternator Cable BMW F21 F22 F30 LCI 125i 220i 228i 320i N20 Starter 8621490
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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. 8709339
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Part no. 9232534
BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Part no. 8512047-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Part no. 9196933
BMW E70 E71 Seat Control Unit Module ECU 9196933
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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. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
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Part no. 8379279
BMW E38 Radio Business RDS Cassette Audio Player Head Unit 8379279
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Part no. 6828085
PDC Module BMW F15 F16 F25 F26 I01 I12 Parking Distance Sensor Unit 6828085
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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. 9459924
BMW 1 Series F40 Coil Spring Cartridge Slip Ring 9459924
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Part no. 6989136-1
BMW E60 E61 E63 PDC Rear Parking Sensor Ultrasonic Titangrau II - A08 6989136
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Part no. 9868386
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9868386
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Part no. 8517862-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
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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. 9112454
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 9112454
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Part no. 9499001
BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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Part no. 9335474
BMW X3 F25 Cables Set Wiring PDC Parking Sensor Front Bumper 9335474
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Part no. 7856775
Injection Wiring BMW F90 M5 F91 M8 S63M Cyl. 5-8 Loom Valve Ignition 7856775
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Part no. 9371131
Seat Control Unit BMW F30 F36 Front Seat Module Unit Controller ECU 9371131
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Part no. 7532988
BMW X3 Series E83 3.0i M54 Automatic Gearbox Basic Control Unit EGS 7532988
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Part no. 8378337
BMW 3 Series E46 Cable Harness Wiring Loom Door Rear Left / Right N/O/S 8378337
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Part no. 6948392-3
BMW 1 3 5 7 X1 X5 X6 Series E60 E61 E65 E66 E67 E70 E71 E81 E87 E90 Alarm Siren
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Part no. 7561834-8
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Keys Manual
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Part no. 9247472-1
BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
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Part no. 8377415-1
BMW 5 6 Series E60 E61 E63 E64 Fuel Fillter Flap Cover Actuator 8377415
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Part no. 3450247
BMW X3 E83 LCI Map Card Fuse Box Grouping Diagram 3450247
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Part no. 8365326
BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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Part no. 7938190
Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Part no. 8577839
BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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Part no. 6822066
BMW F20 F30 LCI Harman Head Unit High 2 Media Sat Nav Radio NBT EVO HU 6822066
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Part no. 9187625
Bluetooth Module BMW E87 LCI E90 Hands Free High MULF2 9187625
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Part no. 9223689
BMW X1 E84 Display Screen Monitor On-board CID TV Navigation System 8,8" 9223689
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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. 9132214
BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Part no. 9230404
BMW X1 Series E84 Rear Bumper PDC Cables Wiring Loom Set 9230404
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Part no. 9123091
BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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Part no. 7411595
BMW F10 F20 F30 Control Unit For Fuel Pump Module 7411595
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Part no. 9187539-1
BMW 1 Series E87 ECU Body Control Module H2 Junction Box PL2 JBBFE II 9187539
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Part no. 9352861-1
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9352861
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Part no. 6989160
BMW 7 Series E65 E66 Rear Bumper PDC Parking Ultrasonic Sensor Black Sapphire
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Part no. 9147196
BMW E81 E87 E90 E91 E92 CAS 3 Key Reading Module Control Unit ECU 9147196
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Part no. 6965047
*BMW 1 3 Series E87 E90 M-Audio System Controller Navigation Business 6965047
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Part no. 7481616
Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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Part no. 9263948
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9263948
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Part no. 6920035
BMW X5 E53 Fuse Box Label Trim Cover Panel Sticker 6920035
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Part no. 9146329-1
BMW X5 E60 E61 E65 E70 Front Left N/S Seat Angle Adjustment Drive 9146329
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Part no. 7801710-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Part no. 8379376
BMW X5 E53 Amplifier Hifi Speaker System 65128379376 8379376
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Part no. 9206778
BMW 3 5 7 X5 Series E61 E65 E70 E90 Telematics ECU Control Unit GSM 9206778
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Part no. 8588946-1
BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Part no. 7807827-1
BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key
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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. 7599881-14
BMW E87 LCI E90 E91 N43 116i 316i 122HP Engine Unit ECU DME 7599881 Manual
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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. 9366164
Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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Part no. 1729004
BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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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. 9170717
BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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Part no. 9290989-2
Radio Professional BMW F30 F31 F32 CD Bluetooth Player 9290989
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Part no. 6929561
BMW E65 E66 Sensor B-Pillar Air Module Right O/S 6929561
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Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Part no. 5A63731
BMW G20 Reverse Rear View Camera 5A63731
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Part no. 8645445
BMW F80 M3 F82 M4 S55 450 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Part no. 8614302
BMW 1 Series F20 F21 114i N13 Engine Control Unit ECU Module DME 8614302 Manual
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Part no. 9240530-1
BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Part no. 7809941-1
BMW 3 5 Series E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 Key 7809941
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Part no. 9240352
BMW F10 F30 F31 F32 Side View Camera Front Bumper Video Surround View 9240352
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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 .