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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Mercedes CLK W209 Fuse Box Relay Control Unit Module SAM Fuse Box A2095450001
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Mini R50 One 1.6i W10 90HP Engine ECU Kit DME + EWS3 + Key 7545789 Automatic
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Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Engine Wiring BMW F46 Mini F56 B47 Loom Harness Injection Valve Ignition 8516253
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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BMW 7 Series E65 E66 E67 Steering Wheel Electronics Control Unit Module 6958040
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Mercedes W203 Gearbox Transmission Control A0325451232
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Black-eye Purple
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BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU DDE 8582521 FEM Lock Key
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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BMW 1 Series E81 Body Control Module ECU L2 PL2 JBBFE II Junction Box 9160187
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HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Mini Cooper F55 F56 Dual-Clutch Transmission Gearbox Control Unit Module DCT
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VW Amarok Mk2 Automatic Gearbox Transmission Control Module Unit MP3P-14F106-AA
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Seat Module Mercedes W204 W212 Memory Control Unit Driver's Side A2129005200
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VW Transporter T6 Negative Minus Earth HV Battery Cable Wire 7E0915181N
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Tailgate Trunk Mercedes X117 X156 W205 Boot Rear Control Module Unit A2389053301
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VW Volkswagen Tiguan 5N Air Module Control Unit ECU 5N0959655R
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BMW E91 Footwell Light Control Module ECU NSW PL2 FRM II 9166711
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Mercedes W205 C253 Diesel Adblue Module Control Unit ECU A0009009209
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BMW F31 Rear Antenna Aerial Amplifier AM/FM DAB 9231515
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9218356
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603
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BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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Mercedes C209 Door Control Module Front Left N/S A2098201926
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Mercedes C209 200 Kompressor 271.940 163HP Engine ECU Kit A2711530691 Key Lock
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Engine Wiring Mercedes W176 W246 W242 M270 Loom Harness Cable A2701501433
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Ford Fiesta MK7 Body Control Module BCM Control Unit ECU 8V5115K600EG
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BMW X5 F15 Camera Kafas Front Windscreen Camera 9281717
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Audi A3 8P Convertible Folding Roof Module Control Unit ECU 8P7959255B
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702885
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BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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BMW E31 E32 E34 E34 E39 Petrol Engine Starter Motor 1729982
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CD Changer BMW E60 E61 E63 E64 6-disc Without Magazine 6949694
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Mercedes W166 W204 R231 Alternator Generator 180A 14V A0009063622
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BMW E60 E61 E63 E65 X5 E70 X6 E71 PDC Parking Control Module Module 6978232
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BMW E81 E87 E90 E92 Comfort Access Passive Go Control Unit Module 6987184
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Audi A6 C6 FL CAGB Diesel Engine Alternator Generator Bosch 14V 180A 03G903016L
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Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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Ford Transit Connect Mk2 II Radio Stereo CD Player Head Unit F1BT18C815HK
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Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
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BMW 7 Series E65 E66 Antenna Tuner Amplifier Professional 6976780
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BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 9340339
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BMW 3 Series E46 Drive Window Lifter Motor Rear Right Door O/S 8362065
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BMW E60 E63 E64 KBM Basis Body Control Module ECU Control Unit 9176069
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Mercedes W124 M103 Bracket Alternator Mount Holder Support A1031550435
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Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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BMW 7 Series E65 Cable Harness Door Rear Right O/S Wiring Loom 6913164
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Audi Q3 8U Headlight Module Ballast Relay Control Unit LCM 4G0907397Q
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Audi A4 B9 A5 F5 Alternator Generator Valeo 2.0 TFSI DDWA 06L903018H
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BMW X5 X6 E70 E71 Power Distribution Fuse Box Battery 9178959
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BMW E90 E91 E92 Professional CCC DVD Navigation System Controller 9148016
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Audi Q7 4L PDC Parking Distance Sensor Control Module Unit ECU 4L0919283E
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BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
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Audi A3 8V VW Golf Mk7 Alternator Generator 14V 140A 2.0 TFSI 06J903023A
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Battery Cable BMW F12 F13 Underfloor Positive Plus Lead Wiring Harness 9151341
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Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
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Alternator Generator BMW F30 F32 N57N Diesel Electrical Unit Denso 180A 8509225
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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BMW 1 3 5 7 Series E60 E61 E65 E81 E87 E90 Trailer Towing Control Module AHM 4R
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Mercedes-Benz C W203 Front Bumper Parking Sensor Wiring Loom Cable Harness
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Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
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Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
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Mini R56 LCI R60 Radio Boost CD Player Head Unit Controller Bluetooth 3456516
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BMW E60 E90 325i 525i N52 218HP Engine ECU Kit DME 7561684 CAS2 + Key Manual
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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
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Smart Fortwo C450 SAM Control Unit Module Fuse Box Q0011868V013000000
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Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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Audi Q7 4L Amplifier BOSE Premium Audio Sound System Module 4L0035223J
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Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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BMW Z4 E85 2.5i M54 192HP Engine ECU Control Unit Module DME 7527072 Manual
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Fuse Box Mercedes W169 W245 SAM Body Control Module Unit ECU A1699010100
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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 .