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. 9119444
BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
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Part no. A0131549002
Alternator Generator Mercedes W204 W211 OM646 Diesel Bosch 180A A0131549002
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Part no. 7553735-5
MINI R50 R52 One 1.6i 90HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Audi A1 8X BCM Body Control Module Power Supply Unit 8X0907063AB
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Part no. 7788327
Preheating Control BMW E46 E60 X3 E83 E90 E91 Glow Plug Unit Diesel
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Part no. 7797660
Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Part no. 8W0035736
Audi A4 B9 Connector AUX USB Adapter Port Socket 8W0035736
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Part no. 6975015
BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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Part no. 9187536
BMW 3 Series E90N E90 LCI ECU Body Control Module H1 61359187536 9187536
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Part no. 8W0907217B
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Part no. 9197154
BMW 1 Series E81 LOW Light control footwell module ECU PL2 FRM II 9197154
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Part no. 9158040
Mini R55 R56 R57 Flat Cable Wiring Wire CAS 9158040
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Part no. 6C1112A650AN
Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual 6C1112A650AN
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Part no. 7515029
Mini Cooper One R50 R52 Petrol W10 Compact Alternator 105A 7515029
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Part no. 6982114
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6982114
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Part no. 03L907309
VW Volkswagen Crafter 2.0 TDI CKTB 109HP Engine ECU Kit 03L907309 Manual Gearbox
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Part no. 9205962
Radio Professional BMW E81 E87 E90 E91 E92 Autoradio CD Player 9205962
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Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Part no. 6975015-1
BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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Part no. 9166708-1
BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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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. 9257161
Bluetooth Module BMW E81 E87 E90 E91 LCI Combox Telematics 9257161
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Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
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Part no. A2129009705
Mercedes W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Part no. 8506666-2
Mini Cooper D R60 ALL4 N47N Diesel Engine ECU Kit DDE 8506666 CAS3 Key Manual
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Part no. 9293307
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9293307
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Part no. 9217004
Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
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Part no. 9240532
BMW E90 LCI Footwell Light Control Module Lear FRM3R PL2 LED 9240532
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Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
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Part no. A2059009427
Mercedes W205 Front Air Module SRS Control Unit ECU A2059009427
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Part no. 7796571
BMW X3 E83 2.0d M47N2 Diesel Engine Control Unit ECU DDE 7796571 Manual
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Part no. 4G0035061N
Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
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Part no. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 1480790-1
Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Part no. 7792544-1
Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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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. A1699010100
Mercedes W169 W245 Sam Control Module Fuse Box Unit A1699010100
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Part no. 9253111-2
BMW 1 2 Series F20 F21 F22 2 Positive Plus Pole Battery Blow Cable 9253111
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Part no. 9123041
Steering Switch Cluster BMW E88 E90 E92 Column Indicator Wiper Stalk 9123041
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Part no. 7811700
BMW 1 3 Series E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE CAS 3 Key 7811700
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Part no. 8630125
BMW F20 F21 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Manual
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Part no. 6936649-1
BMW E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936649
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Part no. 9247472-2
BMW E84 ECU Body Control Module Junction Box H2 9247472
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Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Part no. A1719000000
Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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Part no. 8X0907063AF
Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Part no. 6977724
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6977724
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Part no. 7527610-7
MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Part no. A2198202526
Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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Part no. 8K0915181E
AUDI A4 B8 Battery Negative Cable Clamp Control Module Terminal 8K0915181E
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Part no. A2118701585
Rain Sensor Mercedes W211 W219 Windscreen Control Unit Module A2118701585
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Part no. 9164352-1
BMW E90 E91 E92 IBS Negative Minus Battery Lead Cable Wire 9164352
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Part no. 9809381
Mini Cooper R60 Countryman High PL3 SPEG H6 Fuse Distribution Box 9809381
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Part no. 6915175
Mini Cooper One R50 Heat Resistant Battery Box Cover 6915175
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Part no. 7176068-4
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. 9128183-2
BMW E91 Light Control Module ECU PL2 FRMFA Lear 61359128183 9128183
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Part no. 7607685-2
Mini Cooper R56 LCI N16 1.6 Petrol Engine ECU Kit DME 7607685 + CAS 3 + Key
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Part no. 8K0907801E
Parking Brake Control Audi A4 B8 A5 8T Q5 8R Electric Brake Module 8K0907801E
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Part no. 9308365
BMW X1 E84 Footwell Light Control Unit Module ECU Lear FRM3R PL2 9308365
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Part no. A1408206026
Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Part no. 7615484
Mini Cooper One R55 R56 R57 Engine Alternator Generator Petrol 120A
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Part no. 1K0909605T
VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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Part no. A0121544502
Mercedes W168 Alternator Generator A0121544502
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Part no. A2118705390
Mercedes ML W164 SLK R171 W211 C219 CD Changer 6 Disc Player Unit A2118705390
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Part no. 7603567-1
Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Part no. 9284973
Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Part no. 9253480
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359253480 9253480
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Part no. A1715451701-1
Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701
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Part no. 9159041
BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Part no. A2058200526-1
SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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Part no. 7490465
BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
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Part no. A1648705094
Mercedes ML W164 Audio Stereo Radio CD Player Head Unit A1648705094
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Part no. MMI2G-CARPLAY-A1
Audi A1 8X Bluetooth Interface CarPlay MMI Retrofit Multimedia Unit Set MMI2G
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Part no. 9231093
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9231093
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Part no. 9476858
Airbag Module BMW G20 G21 SRS Control Unit Module ECU 9476858
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Part no. 6961363
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961363
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Part no. 8375408
BMW X5 E39 E53 Steering Column Wiper Switch Stalk 8375408
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Part no. 8T0862335F
Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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Part no. A2049017801
Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
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Part no. 9216273-1
Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Part no. 9250454
BMW 5 Series F10 Light Control Footwell Module ECU Unit FRM3 9250454
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Part no. 233003248R
Renault Trafic Scenic Diesel Starter Motor Mitsubishi 233003248R
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Part no. 6934836
BMW E60 E61 E90 E91 Xenon Adaptive Headlight Ballast Control Module 6934836
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Part no. 6980130
Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Part no. 6946990-1
CD Changer BMW X5 E53 Z4 E85 6 Disc Control Unit Module With Magazine 6946990
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Part no. A6071500133
Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500133
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Part no. 9329701
BCM Module BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Part no. 9309990
Mini F57 Cabrio Antenna Aerial Amplifier AM / FM Rear Unit Module FM2 9309990
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Part no. A0015455716
Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Part no. 9128183-1
BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Part no. 04L907309B-2
Volkswagen Golf 7 1.6 TDI CLHA 105HP Engine ECU Kit 04L907309B Key + Ignition
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Part no. 9221110
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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Part no. 8K0907063P
Audi A5 8T Body Comfort Control BCM Onboard Supply Module Unit ECU 8K0907063P
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Part no. 7566525
BMW E82 E90 135i 335i N54 Engine Gearbox Wiring Loom Harness Cables 7566525
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Part no. 8P0959801F
Audi A3 8P Door Window Lifter Regulator Motor Front Right O/S 8P0959801F
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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 .