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. 9313930
Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Part no. 4L0698007B
Audi Q7 4L Air Suspension Level Height Adjustment Compressor Pump 4L0698007B
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Part no. 7631587-1
BMW X5 E53 E81 E87 E90 LCI Battery Mounting Bracket Bolt Holder
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Part no. 7848265
BMW F87 M2 F80 M3 F82 F83 M4 S55 Engine Wiring Loom Module Harness Cable 7848265
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Part no. A4475400600
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400600
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Part no. 6784314
BMW 5 7 Series E61 E61N LCI E65 Air Suspension Supply Control Unit 6784314
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Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
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Part no. 9T11-12A650-GH
Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Part no. 6960000
BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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Part no. P8200943317
Renault Trafic II Control Unit Body Control Module BCM ECU P8200943317
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Part no. 8662624-1
BMW F20 F30 120i 320i N13 177HP Engine ECU KIT DME 8662624 + FEM + Keys + Lock
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Part no. A0325451232
Mercedes W203 Gearbox Transmission Control A0325451232
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Part no. 6933575
BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier 6933575
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Part no. 04L907309B-1
Audi A3 8V 1.6 TDI CLHA 105HP Engine Unit ECU Kit 04L907309B Key Ignition
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Part no. 8574093-4
BMW F20 F30 120d 320d 184HP N47N Engine ECU Kit DDE 8574093 FEM Key Lock Manual
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Part no. 7187633
BMW X6 Series E71 Rear Third Stoplamp Stop Lamp Brake Light Red 7187633
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Part no. Halfords 60Ah Accumulator-1
Halfords 12V Calcium Accumulator Battery 60Ah 550A HCB075
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Part no. CH3214B673AE
Land Rover Range Rover Sport L320 Automatic Tailgate Control Module CH3214B673AE
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Part no. 6976780
BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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Part no. BG9112A650RJ
Ford Mondeo MK4 2.0 TDCi DW10C Engine Unit Module ECU BG91-12A650-RJ Manual
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Part no. 3M5T14B342AB
Land Rover Freelander Ford Mondeo Focus Airbag Crash Impact Sensor 3M5T14B342AB
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Part no. LAB2400CE
Jaguar XJR Automatic Gearbox Transmission Module Control Unit ECU LAB2400CE
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Part no. A6511500126-1
Mercedes W204 C200CDI BlueEFFICIENCY OM651.913 Engine ECU Kit A6511500126 Key
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Part no. 9191557
BMW E63 Head Unit Profesional CCC Radio Multimedia DVD Player Sat Nav 9191557
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Part no. rhd-9292244-1
BMW F20 F21 F22 F23 Central Information Display Screen 6,5" Radio Nav 9292244
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Part no. A2078201989
Mercedes-Benz W207 A207 Radio Aerial Antenna Amplifier Module Unit A2078201989
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Part no. A6519009702-1
Mercedes W176 A200 CDI OM651.930 136HP Engine ECU Kit A6519009702 2 Keys Lock
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Part no. 6989713-2
3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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Part no. 8J0035223B
Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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Part no. A0994644206
Mercedes X253 Steering Wheel Contact Switch Control Plate A0994644206
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Part no. 07K907309F
Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic
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Part no. 9337201
Door Wiring BMW F82 M4 Coupe Door Wiring Harness Loom Drivers Side 9337201
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. 9205962-1
BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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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. 9380947
BMW X1 F48 Mini Cooper F55 F56 F60 Connecting Line CID/HU-H 9380947
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Part no. 9226711
BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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Part no. A4479009005
Mercedes Vito W447 Head Unit Radio Navigation GPS Nav Display A4479009005
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Part no. 9166707
BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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Part no. 6869508
Slave Sensor BMW F01 F06 F10 F13 LCI Lane Change Warning Left N/S 6869508
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Part no. 8625074
Engine Wiring Mini F55 F56 Cooper S Petrol B46 B48 Cable Loom Harness 8625074
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Part no. 7557290-3
BMW E87 E90 E91 118i 318i N46 129HP Engine Control ECU Kit DME 7557290 Automatic
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Part no. 9147139
BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 9125251
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Part no. 9365819
BMW X5 F15 Wiring Rear Right O/S Door Harness Loom 9365819
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Part no. A2319067300
Mercedes R231 Headlight LED Control Module Headlamp Adjust Unit A2319067300
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Part no. 8591073-2
BMW F20 LCI 116d B47 Engine ECU Kit DDE 8591073 + FEM + Key + Lock Manual
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Part no. 9286887-2
BMW E87 LCI Footwell Light Module Control Unit ECU Lear FRM3R PL2 9286887
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Part no. 6935620
BMW 7 Series E65 E66 E67 CD Audio System Controller Player 6935620
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Part no. A2229003011
Mercedes GLC C253 X253 Camera Lane Assist Control ECU Module Unit A2229003011
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Part no. 0390203255
Seat Adjustment Motor Mercedes W221 Front Seat Motor Actuator 0390203255
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Part no. 6833996
BMW F83 Head Unit Radio Media Player Navigation 6833996
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Part no. A2749000800-5
Mercedes W205 C200 274.920 184HP Engine ECU Kit A2749000800 Key Lock Automatic
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Part no. 9313638
BMW 3 Series F30 F31 F80 M3 Front Passenger Wiring Loom Harness Cables 9313638
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Part no. 9351670
BMW 1 2 3 5 Series F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9351670
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Part no. 6857942
BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Part no. 23710JD78E
Nissan Quashqai M9R Diesel Engine Control ECU Manual Gearbox 23710 JD78E
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Part no. 8372521
BMW 3 5 Series E39 E46 Airbag Control Unit Module 8372521
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Part no. 8T1035223A
Audi A5 8T Speaker Amplifier AMP Bang & Olufsen 8T1035223A
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Part no. 8200666516
Renault Trafic 2 Vauxhall Vivaro M9R 782 2.0 Diesel Engine Unit ECU 8200666516
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Part no. 7567178-12
BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 Key Automatic
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Part no. 8686084
BMW F30 LCI F15 G11 G30 Accumulator Battery High Voltage 8610469 8610470
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Part no. 7501687
BMW 3 5 E39 E46 M52 M54 320i 325i 330i 520i Alternator Generator 90A Valeo
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Part no. 8510829-4
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
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Part no. 8591073-1
BMW 1 3 F20 F30 LCI 118d 318d B47 Engine ECU Kit DDE 8591073 FEM + Keys Manual
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Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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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. RHD-4G0919607H
Audi A6 C7 A7 4G Dashboard Screen Head Unit Dash Multimedia Monitor 4G0919607H
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Part no. 280341078R
Renault Trafic 3 Vauxhall Vivaro B Display Screen Navigation Monitor 280341078R
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Part no. 8R0035223G
Speaker Amplifier Audi A4 B8 A5 8T Stereo Radio Sound System Amp 8R0035223G
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Part no. 6938288
BMW X5 E39 E53 Light Check Module Control Unit ECU Lear LCM IV 6938288
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Part no. 9147226
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147226
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Part no. A2385452700
Mercedes C238 Rear Control Unit Module Bracket Holder Trim Panel A2385452700
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Part no. 6884288
Lane Change Sensor BMW M4 F82 M3 F80 Warning Sensor Slave Rear Left N/S 6884288
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Part no. A2135403205
Lever Sensor Wiring Mercedes W213 C238 Rear Left Right N/O/S Cable A2135403205
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Part no. A2721533779
Mercedes C219 CLS350 M272.964 272HP Engine Module Unit ECU A2721533779 Automatic
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Part no. 969713
BMW F01 F07 Boot Trunk Lid Tailgate Lock Wiring Harness Loom Cable 969713
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Part no. 8510592-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592
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Part no. 7534921
BMW 3 X3 Series E46 E83 Engine Electronics Complete Control Unit Box 7534921
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Part no. A6397601704
Bowden Cable Mercedes W639 Rear Sliding Door Exterior Handle Wire A6397601704
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Part no. 5N0971235A
Audi A3 8P VW Golf MK6 Battery Negative Earth Cable Harness Wiring 5N0971235A
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Part no. A4475405931
Mercedes Vito W447 Fuse Relay Box Module A4475405931
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Part no. A2478204102
Mercedes W907 Aux USB Port Socket A2478204102
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Part no. 8K0959794A
Audi A4 B8 Door Module Rear Right O/S Control Unit Module ECU 8K0959794A
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Part no. 7559178-5
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. 8K0907801H-1
Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Part no. A6081550035
Mercedes W177 Alternator Mounting Bracket Carrier A6081550035
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Part no. 7N0843639
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
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Part no. 5B31359
BMW i4 G26 Fuse Box Front Body Control Module ECU BCM Unit 5B31359
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Part no. A0009825323
Mercedes GLC X253 Relay Battery Control Cut Off Out Relay A0009825323
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Part no. rhd-7566594
BMW E81 E82 E87 E88 LCI 125i 130i N52N Engine Wiring Loom Harness Module 7566594
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Part no. A4475400010
Mercedes Vito W447 Battery Cable Alternator Wiring Diesel OM651 A4475400010
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Part no. rhd-7549700
BMW E63 650i N62N 367HP ECU Control Unit Module DME 7549700 Automatic
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Part no. Bosch S4 008 74Ah Accumulator-2
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
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Part no. 8573260-9
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
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Part no. 4E0910336M
Audi A6 C6 Q7 4L Bluetooth Telephone Control Module Unit ECU 4E0910336K
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Part no. 9314235-1
BMW F30 Fuse Box Relay Control Unit Module 9314235
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Part no. BK3T-14B321-AD
Ford Transit Mk8 Airbag Module ECU Control Unit Air Bag BK3T-14B321-AD
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Part no. 89500248
Audi A5 8T Headlight Lightning Control Module LCM Unit ECU 89500248
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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 .