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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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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LED Module BMW X3 G01 X4 G02 iX3 G08 Headlight Left N/S MID Module 5A0E617
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW F20 F21 LCI 118i B38 136HP Engine ECU Kit DME 9895416 FEM Key Lock Manual
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BMW X3 G01 X4 G02 Wireless Charger Centre Console Phone Module Unit 8719905
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Door Module Mercedes W212 Rear Left N/S Door Control Unit Module A2128203885
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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Audi Q7 4L Front Windscreen Rain Light Solar Sensor Unit 4E0955559B
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Mercedes W211 Electronic Stability Module ESP PML Control Unit A2115405945
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Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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Audi Q5 8R CGLB 2.0 TDI 170HP Quattro Engine Control ECU Kit 03L906018ML Manual
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Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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Camera Module Mercedes W207 W212 Reversing Rear View Control Unit A2128270006
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Mercedes Citan W415 Radio CD Player Bluetooth Head Unit USB MP3 281156903R
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BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine Control ECU 7645762 Manual
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Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314
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BMW F07 GT X3 F25 Camera Module Reversing Camera Rear View Control Unit 9249462
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BMW 1 3 Series E87 E90 E91 118d 318d M47N2 ECU Engine DDE 7795844 Control Unit
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SAM Module Mercedes W212 CLS W218 Fuse Box Relay Control Unit A2129009125
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Mercedes CLS W218 Door Wiring Harness Loom Front Left Right N/O/S A2185404307
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VW Volkswagen Transporter T5 Comfort Convenience Body Module BCM 7H0937049T
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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BMW F25 Footwell Light Control Module ECU Unit FRM3 III TEMIC 9273636
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DriveTec Heavy Duty 12V Accumulator Battery 80Ah 660A DM110
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Mercedes ML W166 GLE C292 Front Bumper Parking Sensor Wiring Harness A2925404401
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BMW F30 335dX F32 435dX N57Z 313HP Diesel Engine Unit ECU Kit DDE 8585379
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Volkswagen Polo Mk5 V 6R Body Control Module BCM Unit 6R0937085A
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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Mercedes W213 Front Door Wiring Harness Ambiente Passenger Side A2135406825
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EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
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Mini Cooper R55 R56 N12 1.6 120HP Engine Unit ECU Kit DME 7640005 CAS3 2 Keys
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Land Rover Jaguar Exide 12V Accumulator Battery 90Ah 850A GX73-10655-BD
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Ford Focus MK2 Radio CD Player Sony DAB Stereo Head Unit 7M5T18C939JD
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Mercedes ML W166 Front Bumper Pedestrian Protection Wiring Harness A1665400616
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Audi SQ5 FY Distronic Radar Sensor Control Unit Module Left N/S 80A907541
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Mercedes ML W164 W251 Rear SAM Module Control Unit ECU A1649005401
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BMW F20 F21 LCI B37 116ed 116HP Engine Unit ECU DDE 8589141 Lock CAS4 Key
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Control Unit ECU DDE 8573258 Manual
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Mercedes W205 C200d 626.951 170HP Engine Unit ECU Kit A6269000000 Key + Ignition
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Sound Amplifier BMW X5 F15 X6 F16 Active Harman Becker Design 9390835
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Mini Cooper SD R60 ALL4 N47N 143HP Engine ECU Kit DDE 8519663 Manual CAS3 + Keys
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BMW G30 LCI 530e Front Bumper Pedestrian Protection Shock Crash Sensor 5A4FAA3
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BMW X3 F25 Control Module Junction Box Electronics LEAR JBBFE III 9252125
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BMW E46 E64 Headlight Control Level Sensor Bracket 1 8268997
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BMW G11 G30 Airbag Crash Control Unit Air Bag Module Continental 6841350
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Keys
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MINI Cooper R50 W10 116HP Engine ECU Kit DME EWS Key 7545789 Automatic
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BMW F15 F25 F26 Line Change Warning Radar Sensor Module Unit 6873290
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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Mercedes ML W166 Front Bumper Camera Wiring Harness Cable A1665400716
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Mercedes W221 TV Receiver Boot Left TV DVB Digital Analog Tuner A2218207289
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BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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BMW 5 F10 F11 LCI Petrol B47 Engine Gearbox Wiring Loom Harness Cables 8574495
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Lexus ES ZX10 Blind Spot Sensor Module Distance Sensor Monitor 88162-33040
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BMW F20 118i F30 318i LCI B38 136HP Engine Control Unit ECU DME 8678863 Manual
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BMW E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Automatic
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Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618443
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Mercedes W639 109 CDI OM646.980 95HP Engine Control Unit ECU A6461501177
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Porsche Cayenne Turbo 9PA Alternator Generator 14V 190A 94860301502
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BMW Disc High Navigation DVD 2009-2 Road Map Europe T1000-14848
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Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711539179 Key Lock
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Sliding Roof Module BMW E61 E63 Lifting Sunroof Panoramic Control Unit 9129019
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Audi A8L 4H Tailgate Lift Boot Lid Control Unit Module Trunk 3AA962243
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Mini Cooper D F55 F56 B37 1.5 116HP Engine Control Unit ECU DME 8470176 Manual
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BMW F01 F10 F11 Heater Fan Blower Unit Motor Wiring Cable Harness 9159332
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BMW E91 LCI Footwell Light Control Unit Module LED Basis FRM3R PL2 9240530
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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 .