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. 8512498
BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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VW Volkswagen Golf Mk5 V 1K Air Module Control Unit ECU 1K0909605T
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BMW F20 F21 F22 F30 F31 F32 F36 Front Electronic Module Control Unit FEM 9292656
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655N
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ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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Mini R55 R56 Radio Boost CD Player Head Unit 3448827
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Ford Transit MK7 Airbag Module ECU Control Unit Air Bag 6C1T14B056AE
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554
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Mercedes W203 W211 C209 M271 Petrol Engine Alternator A2711540802
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Display Screen BMW F30 F31 F32 F33 On-board Navigation Monitor 8,8" 9387453
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BMW E46 330i M54 231HP Engine Control Unit Module ECU DME 7509942 Manual
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BMW E46 M3 343HP Engine S54 Control Unit Module ECU DME Manual 7833284
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Mini F55 F56 F57 Central Cover Information Instrument Radio 9367672
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Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
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Mini Cooper R56 LCI Engine N16 Wiring Loom Harness Injection Valve Ignition
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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VW Volkswagen Golf MK6 Steering Wheel Column Control Module 1K0953549CF
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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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Mercedes SLK R171 Control Unit Module DC UHI MOST A2118701885
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Mercedes W176 Oil Pump Adapter Solenoid Valve Wiring Harness M270 A2701503920
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
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Mercedes ML W164 Front Right Control Unit Module Door A1648203885
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
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Mercedes ML W164 SAM Module Passenger Side Control Unit A1645402501
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Audi A4 B9 2.0 TDI DETA Engine Starter Motor Actuator Starter 04L911024A
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BMW F10 F12 F13 M5 M6 S63N 560HP ECU Control Unit Module DDE 7633959 Twin-Clutch
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Volkswagen Tiguan 5N Air Module Control Unit Module 1T0880201T
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BMW 7 Series E65 E66 Cooler Fan Unit Cooling 6932273 0130002845
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Mercedes W212 Air Bag Control Unit ECU AirBag Sensor Module A2129011105
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Audi A3 8V 1.6 TDI CRKB 110HP Engine ECU Kit Ignition + Key 04L907309E Manual
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Rain Sensor Ford Fiesta MK7 Mondeo MK4 Windscreen Light Module 8A6T17D547AB
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Audi S3 8Y Diagnostic Interface Data Bus Gateway Control Unit 5QS907530A
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Part no. 7600020
BMW Mini One R55 R56 N12 1.4 95HP ECU Kit DME CAS 3 Key 7600020
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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Audi A7 4G8 Tailgate Lift Boot Lid Control Unit Module Trunk 4G8959107Q
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BMW E65 E66 Air Module Control Unit Information ECU 6922464
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Volkswagen VW Golf IV Body Control Module BCM Comfort Control Unit 5DK008214
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Audi Q7 4M Alternator Mass Cable Wiring Harness Loom 4M0971228CH
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BMW 3 5 Series E60 E90 330d 530d M57N2 ECU Engine Kit DDE 7801712 CAS2 + Key
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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Mercedes-Benz W207 Cabrio A207 Rear Left N/S Radio Aerial Antenna Amplifier
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Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
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Renault Master III Engine Alternator Mounting Bracket Carrier 8200803443
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Part no. A2128702751
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. A0205457832
Mercedes W140 Parking Control Unit Module Sensor A0205457832
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BMW F30 F80 M3 Rear Third Stoplamp Stop Lamp Brake Cover Trim 7259877
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Mini Cooper R55 R56 Wiring Cable Seat Heating Seat Occupancy Set 2754325
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FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9348361
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Mercedes GLE 250 AM Tailgate Trunk Control Module Unit A1669008512
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BMW F45 X1 F48 i3 I01 Airbag Module Control Unit ECU Air Bag 9495910
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Opel Zafira Insignia 2.0 A20dth Cdti Glow Plug Wiring Loom Harness 55567591
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Navigation Headunit BMW F20 F21 F30 F31 Mini F56 Head Unit Basic Media 9139895
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Automatic
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Part no. 7532966-1
BMW E87 E90 LCI Alternator Generator Bosch 150A Petrol Engine EAL1179
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Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900
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Part no. 13579668
Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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Part no. A2129005622
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Part no. 9329800
BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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Ford Transit Battery Charge Electrical Machine Control Module Unit DK3T10B728AA
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Part no. A9068201186
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Part no. 5E0035842A
Skoda Octavia 5E MMI Multimedia Interface Unit Module Control ECU 5E0035842A
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Part no. 9352130
BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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Part no. 9131776
BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 9131776
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Audi A4 B9 Body Gateway Module ECU Control Unit 8W0907468C
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Part no. 9151341
Battery Cable BMW F12 F13 Underfloor Positive Plus Lead Wiring Harness 9151341
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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Part no. 7557395-4
Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Seat Module Mercedes C238 Front Right Seat Control Unit A2139008409
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Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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Mercedes-Benz C CLK Class W203 C209 Fuse Box Cover Engine A2035450403
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BMW Z4 E85 2.5i Engine M54 192HP ECU Kit DME 7527072 + EWS3 + Key Automatic
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Fuse Box Vauxhall Vivaro B Renault Trafic III Relay Control Unit Module 93452999
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BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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BMW E60 E60N E61N LCI M-Audio System Controller CD Player Navi 9186213
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BMW E65 E66 Dashboard Control Display Screen 8,8" Control Unit 9130563
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Audi A5 8T 2.0 TDI CGLC Engine Unit ECU Kit 03L906018JH Key Ignition Lock
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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Part no. 7557395-9
MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Hands Free Bluetooth Module BMW E81 E87 E90 E91 Electronics MULF2 9204545
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Part no. A1718207126
Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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Part no. A2118702889
Mercedes W211 Radio Head Unit CD Audio Player Control Unit A2118702889
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Part no. 7834160
BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Part no. A2098202126
Mercedes C209 Door Control Module Front Left N/S A2098201926
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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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 .