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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BMW Z4 E89 2.3i 3.0i N52N Petrol Engine Wiring Loom Harness Cable 7598076
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Steering Column Switch BMW E81 E87 E91 LCI Cluster Cruise Control Stalk 9169758
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Wiring Harness Mercedes W212 Dashboard Dash Wiring Cable A2124400613
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Display Screen BMW F30 F31 F32 F33 Central Information Display 8,8" 9292248
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Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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BMW Z4 Series E89 Roadster 23i N52N 204HP ECU Kit DME CAS3 Key 7609656 Automatic
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Mercedes C216 W221 Distronic Radar Sensor Control Unit Module A2165402545
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GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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Renault Trafic II Control Unit Body Control Module BCM ECU 8200814467
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Control Unit VW Volkswagen Polo 6C 6R Air Module Unit ECU SRS Bosch 6C0959655
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Mercedes SLK200 R171 271.944 163HP Engine ECU Kit Key Lock A2711534691 Automatic
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Land Rover Range Rover Sport L320 Keyless Entry Module ECU Unit BJ3219H440BG
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Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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Ford Mondeo MK4 Diesel Glow Plug Relay Control Unit Module 9M5Q12A343AA
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BMW E93 Footwell Light Control Module FRM3R PL2 Lear 9249081
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BMW X3 F25 Front Seat Control Unit Module ECU Left Right N/O/S 9369123
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Audi A3 S3 RS3 8Y Light LED Module Control Unit 8Y0947355H
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BMW 3 Series F30 Driver Side Front Right O/S Door Cable Harness Wiring 9260003
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Mercedes Sprinter W906 Radio Stereo Sat Nav Display Screen Head Unit A9069000104
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Mercedes-Benz M-Class ML W163 Pressure Regulation Valve Fuel A6110780149
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BMW Z4 E86 Coupe 3.0si N52 265HP Engine Control Unit ECU DDE 7571510 Automatic
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BMW 3 Series E36 Cable Harness Door Rear Right O/S Wiring Loom 8379056
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Mercedes W205 Hybrid Battery Charging Control Unit A0009001108
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Audi Q7 4L 3.0 TDI Quattro Engine Control Unit Module ECU 4L1910401H Automatic
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BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
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BMW F20 F21 LCI F22 F23 HiFi Audio Amplifier Module Harman Kardon Unit 9390017
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
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Land Rover Freelander 2 Air Module Control Unit ECU 6H52-14B321-AE
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BMW E87 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9292703
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Fuse Box Mercedes W204 W212 Diesel Front Sam Control Module Unit A2129009605
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BMW E60 LCI Radio Player M-ASK M-Audio System Controller Head Unit 9195756
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Mercedes A209 Telephone Adapter Module Control Unit ECU Bluetooth B67876168
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Mini R56 R57 LCI One N16 1.6 98HP Petrol Engine ECU Kit DME 7607685 CAS3 + Key
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Audi A1 8X 1.4 TFSI CZCA Alternator Generator 04C903023T
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Mercedes W176 W246 C117 Starter Motor Herth+Buss Diesel Engine OM651 42024550
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Mercedes W906 OM646.984 88HP Engine Control Unit Module ECU Kit A6461506478 Keys
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BMW E92 330i N52N 272HP ECU Control Unit Kit DME 7567362 CAS3 + 2 Keys Automatic
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BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618445
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7587548 Manual
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Mini Cooper One R50 R53 Heater Air Conditioning Wiring Loom Harness 6927740
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BMW 3 5 X5 Series E39 E46 E53 Control Unit Voice Input System Module 6905969
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BMW Mini Cooper R60 R61 Wiring Cable Harness Instrument Dashboard Dash 9811221
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BMW E60 E63 E65 Adaptive Light Control Unit Module LM E6X AHL 9203082
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Mercedes W221 C216 Keyless Go Easy Entry Control Module 433Mhz A2218702292
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 Key
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BMW E92 Max Brose Footwell Light Module Control Unit FRM3R PL2 Lear 9263803
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BMW F20 118d F30 318d 143HP N47N Engine ECU Kit DDE 8576341 + Key + FEM Manual
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BMW 1 Series F40 118i Petrol B38C 140HP ECU Kit DME 5A088E1 + Key + BDM Manual
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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475AA
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BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7512079
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BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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Mercedes W211 S211 Airbag System Control Unit Module ECU
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Audi A5 8T Headlight Headlamp Module Control Unit 8K0907357
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Mercedes W166 Automatic Gearbox Wiring Loom Harness Cable A1665402709
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Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
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Mercedes-Benz M ML W163 Ground Earth Strap Cable Wiring A1635401041
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Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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Mercedes Vito W447 Transmission Gearbox Control Unit Module ECU A4479002707
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BMW 1 Series E81 E87 LCI 1 Positive Battery Lead Cable Wiring 9125031
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BMW E60 E61 530d Diesel M57N 218HP Engine Control Unit ECU DDE 7794650 Automatic
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Mercedes GLE W166 C292 Air Suspension Control Unit Module ECU A1663275245
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BMW E87 130i N52 265HP Engine ECU Kit DME 7567178 + CAS3 + 2 Keys Manual
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BMW 3 Series E93 ECU Body Control Module H3 Junction Box PL2 JBBFE II 9160190
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BMW X5 E70 X6 E71 Module Control Unit Trunk Lid Rear Tailgate Lift 7207576
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BMW 5 Series E61 LCI Light Control Unit Module Unit 9154943
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BMW 5 Series 1 E60 M-Audio System Controller Navigation Head Unit 6948351
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3453634
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BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Automatic
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Mercedes-Benz C-Class W204 Dashboard Navigation Central Display Screen Monitor
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BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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BMW X3 E83 2.0d Diesel M47N2 Engine Wiring Loom Harness 3417859
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Audio Amplifier BMW X5 F15 X6 F16 Top Hifi System AMP Harman Kardon 9393193
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Dashboard Monitor BMW X5 X6 E70 E71 Onboard Display Screen 8,8" 9224959
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Audi A4 S4 B8 Central Gateway Module ECU Control Unit Temic 8T0907468S
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Audi A4 B8 Gateway Interface Diagnostic Control Module Unit ECU 8R0907468P
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Audi A5 S5 8T Multimedia Navigation Radio Control Head Unit 4G0035061
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Mini Cooper S R56 N14 1.6 174HP ECU Kit DME CAS 3 Key 7610009 Manual
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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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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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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BMW X5 F15 Camera Kafas Front Windscreen Camera 9281717
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Ford Transit Connect Mk1 Starter Motor Engine Actuator 1.8 Diesel 2T14-11000-BC
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PDC Module BMW F20 F21 F22 F23 Parktronic Parking Assist Control Module 6886210
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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 .