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. 9263803
BMW E93 Max Brose Footwell Light Module Control Unit FRM3R PL2 Lear 9263803
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Mercedes-Benz A-Class W168 AKS Automatic Clutch System Module Actuator Unit
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Mercedes Vito W447 Negative Battery IBS Cable Wiring A4479050004
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Mercedes W176 A180 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Audi TT FV Front Driver Side Door Wiring Loom Harness 8S0971029C
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Audi Q3 F3 Front Bonnet Hood Center Lock Bowden Cable 83A823531
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BMW F20 F21 LCI 118i B38 136HP Engine Control Unit ECU DME 9895416 Automatic
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Battery Pipe Mercedes W205 W213 C238 W257 W290 Hose Line Tube A2383400800
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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BMW F20 F21 F30 118d 318d N47N 143HP ECU Kit DDE 8573258 + Key + FEM Manual
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Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009056613
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Ford Transit Connect Mk2 II Fuse Box Battery Terminal Unit Module AV6T14A067BC
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Navigation Head Unit BMW E60 E61 CCC CD Professional Sat Nav Controller 9117559
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Mercedes C219 Fuse Box Control Unit SAM Module A2115457001
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Part no. 7557809-9
BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. 9169758
Steering Column Switch BMW E81 E87 E91 LCI Cluster Cruise Control Stalk 9169758
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Part no. A6421501500-2
Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916
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Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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Part no. 7609656-1
BMW Z4 Series E89 Roadster 23i N52N 204HP ECU Kit DME CAS3 Key 7609656 Automatic
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BMW E90 E91 E92 E93 325i N53 218HP Engine Unit ECU Kit DME 7576719 CAS3 Key
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Part no. 8K0959655S
Audi A3 8P Air Bag Module Control Unit ECU SRS Module Unit 8K0959655S
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Renault Trafic II Control Unit Body Control Module BCM ECU 8200814467
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Part no. 6C0959655
Control Unit VW Volkswagen Polo 6C 6R Air Module Unit ECU SRS Bosch 6C0959655
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Part no. A2711534691-2
Mercedes SLK200 R171 271.944 163HP Engine ECU Kit Key Lock A2711534691 Automatic
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Part no. A0215455632
Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Part no. BJ3219H440BG
Land Rover Range Rover Sport L320 Keyless Entry Module ECU Unit BJ3219H440BG
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Part no. 3450435-2
Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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Part no. 9M5Q12A343AA
Ford Mondeo MK4 Diesel Glow Plug Relay Control Unit Module 9M5Q12A343AA
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Audi A3 S3 RS3 8Y Light LED Module Control Unit 8Y0947355H
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Part no. 9260003
BMW 3 Series F30 Driver Side Front Right O/S Door Cable Harness Wiring 9260003
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Part no. A0009001108
Mercedes W205 Hybrid Battery Charging Control Unit A0009001108
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Part no. 4L1910401H
Audi Q7 4L 3.0 TDI Quattro Engine Control Unit Module ECU 4L1910401H Automatic
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Part no. 7176068-2
BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
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Part no. 9292703
BMW E87 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9292703
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Part no. B67876168
Mercedes A209 Telephone Adapter Module Control Unit ECU Bluetooth B67876168
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Part no. 8618445
BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618445
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Part no. rhd-6927740
Mini Cooper One R50 R53 Heater Air Conditioning Wiring Loom Harness 6927740
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Part no. 9263803-3
BMW E92 Max Brose Footwell Light Module Control Unit FRM3R PL2 Lear 9263803
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Part no. 9844137
BMW 1 Series F40 118i Petrol B38C 140HP ECU Kit DME 5A088E1 + Key + BDM Manual
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Part no. 2247391
BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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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. A1663275245
Mercedes GLE W166 C292 Air Suspension Control Unit Module ECU A1663275245
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BMW 5 Series E61 LCI Light Control Unit Module Unit 9154943
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Part no. 6948351-1
BMW 5 Series 1 E60 M-Audio System Controller Navigation Head Unit 6948351
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Part no. 8380068
BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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Part no. 9393193
Audio Amplifier BMW X5 F15 X6 F16 Top Hifi System AMP Harman Kardon 9393193
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Audi A4 S4 B8 Central Gateway Module ECU Control Unit Temic 8T0907468S
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Part no. 8R0907468P
Audi A4 B8 Gateway Interface Diagnostic Control Module Unit ECU 8R0907468P
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Part no. 4G0035061
Audi A5 S5 8T Multimedia Navigation Radio Control Head Unit 4G0035061
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Part no. 9286464
BMW F10 F20 F22 F30 Multimedia Stereo Navigation Sat Nav Head Unit High 9286464
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Part no. 8617050
Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Part no. 5A0E617
LED Module BMW X3 G01 X4 G02 iX3 G08 Headlight Left N/S MID Module 5A0E617
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Part no. A9065403527
Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Part no. 9895416-2
BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Lock Manual
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Part no. 8P0907063AB
Audi TT 8J Body Comfort Control BCM Module Unit ECU 8P0907063AB
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Part no. 8719905
BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
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Part no. A2128203885
Door Module Mercedes W212 Rear Left N/S Door Control Unit Module A2128203885
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Part no. 8695512
BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Part no. 3WA959595A
Audi A3 RS3 8V Door Control Unit ECU Module Front Driver's Side 3WA959595A
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Part no. 8473185-2
BMW F20 F30 LCI 118d 318d B47 150HP Engine ECU Kit DDE 8473185 FEM Key Automatic
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Part no. A2129009229
Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
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Part no. 8573258-5
BMW F20 F21 F30 118d 318d N47N 143HP ECU Kit DDE 8573258 + Key + FEM Manual
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Part no. 9177978-2
BMW E92 M3 ECU Body Control Module Junction Box L1 PL2 JBBFE III 9177978
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Part no. 8618446
BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618446
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Part no. 7823291-2
Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Part no. 7807828-3
BMW E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7807828 CAS3 + 2 Keys
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Part no. 4E0955559B
Audi Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559B
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Part no. A2218702826
Mercedes W203 W209 W221 Windscreen Rain Sensor Control Module A2218702826
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Part no. Halfords 45Ah Accumulator
Halfords 12V Calcium Accumulator Battery 45Ah 380A HB057
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Part no. A2115405945
Mercedes W211 Electronic Stability Module ESP PML Control Unit A2115405945
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Part no. 1S0919275D-BLK
Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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Part no. 03L906018ML-1
Audi Q5 8R CGLB 2.0 TDI 170HP Quattro Engine Control ECU Kit 03L906018ML Manual
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Part no. A2128270006
Camera Module Mercedes W207 W212 Reversing Rear View Control Unit A2128270006
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Part no. A6471531679-1
Mercedes W211 E270 CDI 647.961 177HP Engine Unit ECU Kit A6471531679 Key Lock
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Part no. A2649001200-3
Mercedes W177 A35 AMG 306HP 260.920 Engine ECU Kit A2649001200 Key BCM Automatic
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Part no. 7645762-2
BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine Control ECU 7645762 Manual
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Part no. 03L907309AE-1
Volkswagen Passat B7 2.0 TDI CFGC 177HP Engine Control ECU 03L907309AE Automatic
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Part no. 9249462
BMW F07 GT X3 F25 Camera Module Reversing Camera Rear View Control Unit 9249462
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Part no. 7795844-1
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 ECU Engine DDE 7795844 Control Unit
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Part no. A2129009125
SAM Module Mercedes W212 CLS W218 Fuse Box Relay Control Unit A2129009125
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Part no. rhd-A2185404307
Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404307
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Part no. 8506374-4
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Part no. DriveTec Heavy Duty 80Ah Accumulator
DriveTec Heavy Duty 12V Accumulator Battery 80Ah 660A DM110
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Part no. A2925404401
Mercedes ML W166 GLE C292 Front Bumper Parking Sensor Wiring Harness A2925404401
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Part no. 8585376-1
BMW F30 335dX F32 435dX N57Z 313HP Diesel Engine Unit ECU Kit DDE 8585379
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Part no. 6R0937085A
Volkswagen Polo Mk5 V 6R Body Control Module BCM Unit 6R0937085A
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Part no. A2479001506
Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Part no. A2135406825
Mercedes W213 Front Door Wiring Harness Ambiente Passenger Side A2135406825
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Part no. 6794618-1
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
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Part no. 7640005-13
Mini Cooper R55 R56 N12 1.6 120HP Engine Unit ECU Kit DME 7640005 CAS3 2 Keys
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Part no. GX73-10655-BD
Land Rover Jaguar Exide 12V Accumulator Battery 90Ah 850A GX73-10655-BD
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Part no. 7M5T18C939JD
Ford Focus MK2 Radio CD Player Sony DAB Stereo Head Unit 7M5T18C939JD
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Part no. A1665400616
Mercedes ML W166 Front Bumper Pedestrian Protection Wiring Harness A1665400616
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Part no. 8W0907541
Audi SQ5 FY Distronic Radar Sensor Control Unit Module Left N/S 80A907541
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Part no. A1649005401
Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005401
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Part no. 8589141-6
BMW F20 F21 LCI B37 116ed 116HP Engine Unit ECU DDE 8589141 Lock CAS4 Key
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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 .