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. 9221825
BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825
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Part no. 9196933
BMW E70 E71 Seat Control Unit Module ECU 9196933
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Part no. 7811700-10
BMW E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700 Automatic
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Part no. 7541694
BMW 3 5 7 X3 Series E46 E60 E65 E83 M54 Alternator Generator 7541694 155A BOSCH
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BMW E46 Wing Mirror Memory Control Unit Module ECU 8386427
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BMW E46 M43 Engine Wiring Loom Harness Ignition Module Cable 1437967
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Engine Wiring BMW F45 Harness Cable Supply Module Control Unit 8583683
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BMW E90 E91 E92 E93 LCI Diesel Alternator Generator 175A 150 14V 8507623
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Part no. 6986301
BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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Part no. 7516404
BMW E60 Cable Starter Generator Alternator B+ Base Wire Harness 7516404
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BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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BMW F10 Touch Detection Module Steering Wheel Control Unit HOD F45 i3 6867308
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Part no. 7789980-2
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. 6787836-1
BMW E81 E87 LCI E90 LCI ABS DSC Module Pump Wiring Harness Cable 6954572
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Part no. 7809944-1
BMW E90 E91 E92 330d M57N2 231HP Engine ECU KIT DDE 7809944 CAS + Key Automatic
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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. 7811176
Wiring BMW X3 F25 Automatic Gearbox Module Engine Wiring Harness 7811176
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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. 7550469-3
BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Part no. 7802929-1
BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator Valeo 170A 7802929
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Part no. 9175902
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness 9175887
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Part no. 1707017
BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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Part no. 0-390-201-999
BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Part no. 8385223
BMW E46 Convertible Rollover Sensor Control Unit Module 8385223
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Part no. 6955801
BMW F10 Body Control Module ECU Unit Junction Box PL6 JBBFE III V2 6955801
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Part no. 8576341-5
BMW F20 F21 F30 F31 118d 318d 143HP N47N ECU Kit DDE 8576341 + Key + FEM
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Part no. 9195756-2
BMW E60 LCI Radio Player Audio System Controller Head Unit 9195756
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Part no. 6905669
BMW X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905669
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Part no. 8639595-6
BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Automatic
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Part no. 6942556
BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
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Part no. 7846409-1
BMW E90 E92 E93 M3 Engine S65 420HP ECU Control Unit Kit DME 7846409 + CAS3 Key
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Part no. 8519667-1
BMW E90 E91 LCI N47N 318d 143HP Engine ECU Kit DDE CAS3 + Key 8512047 Automatic
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Part no. 6961134-1
BMW 1 Series E87 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6961134
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Part no. 8368167
BMW E38 Inclination Indicator Alarm Tilt Sensor Control Module 8368167
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Part no. 1744987
BMW E39 Battery Clamp Fuse Cable Positive 1744987
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Part no. 6908529
BMW 3 5 7 X5 Series E38 E39 E46 E53 GPS Navigation System Computer Unit 6908529
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Part no. 7611358-1
BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7611358 CAS3 Key Automatic
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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. 9298944
BMW E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9298944
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Part no. 8573257-8
BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE CAS4 8573257 Key + Lock
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Part no. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Part no. 6962284
BMW 1 Series E87 ECU Body Control Module Junction Box H2 6962284
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Part no. 6950525-2
4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
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Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
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Part no. 9125894
BMW E65 E66 CD Audio System Controller Player MD 9125894
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Part no. 7567362-4
BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Part no. 6820701
BMW X6 F16 Multimedia TV Tuner Receiver Control Module Unit ECU 6820701
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Part no. 7583332-3
BMW 3 E90 E91 E92 E93 330i N53 272HP ECU Kit DME CAS3 + Key 7583332 Automatic
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Part no. 6842527
BMW G20 Battery Terminal Voltage Distribution Box 400W MID 6842527
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Part no. 6920480
BMW 7 Series E65 E66 Passenger Seat Airbag Sensor Control Unit Module 6920480
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Part no. 6829104
Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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Part no. 7791190-2
BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Manual
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Part no. 6968836
BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
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Part no. 6948087
BMW Z4 E85 Airbag Module Sensor B-pillar Left N/S Control Unit Air Bag 6948087
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Part no. 8685853
BMW F40 X1 F48 Mini F55 F56 F60 Engine Injector Wiring Loom Harness 8685853
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Part no. 6809300
BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Part no. 7611322
BMW F01 F02 F06 F07 F10 F11 F12 Positive Cable Battery Lead N55 Engine 7611322
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Part no. 9149834
BMW X5 E70 Front Seat Control Unit Module ECU Left Right N/O/S 9149834
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Part no. 8383149
BMW E46 Radio Business Cassette Player Audio Control Head Unit 8383149
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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. 7811232
BMW X3 F25 Engine Wiring Start/Stop Manual Gearbox Module Loom Cable 7811232
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Part no. 7524843-1
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
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Part no. 7533651-3
BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
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Part no. 8574351-7
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 Lock CAS3 Key Manual
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Part no. 6809052
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 6809052
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Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
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Part no. 6927706
BMW 5 6 Series E60 E63 E64 Tubing Duct Battery Cable Lead Positive Underfloor
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Part no. 7581123-1
BMW E81 E87 LCI 130i N52N 258HP Engine ECU Kit DME 7581123 + CAS3 + Key Manual
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Part no. 8584816
Engine Wiring BMW G20 G21 X3 G01 B57 Injectors Module Harness Loom 8584816
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Part no. 8654977
BMW X5 F15 N20 Petrol Sensor System Engine Wiring Harness Cable Loom 8654977
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Part no. 1387751
BMW 3 E36 Coupe Saloon Aerial Antenna Amplifier Signal Booster Module 1387751
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Part no. 9146330
BMW X5 E60 E65 E70 Front Right Seat O/S Height Adjustment Drive
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Part no. 8509226
BMW F31 Diesel Engine Alternator Generator 220A Valeo N57D30A 8509226
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Part no. 8476016
Battery Cable BMW X3 G01 X4 G02 Diesel Alternator Starter Positive Cable 8476016
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Part no. 8631725-6
BMW F20 F22 F30 F31 F32 N20 184HP Engine Control ECU Kit DME 8631725 Manual
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Part no. 8518569-2
BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM
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Part no. 8387528
BMW 3 Series E36 Body Control Module Unit ECU GM IV LOW 8369483
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Part no. 9867503-1
Navigation Head Unit BMW F20 F21 F30 F31 LCI F32 Radio CD Player High 2 9867503
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Part no. 7834713
BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Part no. 8579482-1
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8579482 + Key + FEM Manual
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Part no. 8581788-1
BMW F45 F46 F55 F60 B37 B47 Engine Starter Motor 8581788
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Part no. 8580165
Mini F54 F55 F56 F57 F60 B47 Wiring Harness Engine Glow Plug Module 8580165
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Part no. 9299272
Radio Stereo BMW F20 F30 F31 Professional CD DAB Nav Head Unit 9299272
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Part no. 8379502
BMW 3 5 7 Series E36 E38 E39 Key Transmitter Receiver Module Unit 8379502
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Part no. 9313933-1
BMW F12 Footwell Light Module Control Unit ECU FRM3 9313933
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Part no. 8570673-2
Alternator Generator BMW F07 F10 F11 FN57N N57Z Diesel Engine Valeo 8570673
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Part no. 7182396-1
Xenon Control Unit BMW X5 E70 E90 E91 LCI Adaptive Headlight 7189311
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Part no. 8512498-7
BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Part no. 8381963
BMW E39 Petrol M52 523i Body Control Module 8381963
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Part no. 8570933-1
BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8570933 Key Lock FEM Manual
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Part no. 9210858
BMW 5 Series F10 F11 Power Distribution Fuse Box Rear 9210858
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Part no. 6976156
BMW E60 E61 E63 Passenger Side Door Air Control Module 6976156
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Part no. 6911908
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 6911908
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Part no. 8385232
PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Part no. 9217035
Positive Cable BMW F07 F10 F11 Battery Plus Pole Power Red Unit 9217035
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Part no. 9259828
BMW 3 Series E92 E92N LCI Front Door Wiring Loom Harness Passenger Side 9259828
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Part no. 8655341
BMW X1 F48 Differential Lock Module Rear Axle Control Unit ECU 8655341
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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 .