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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Audi Q7 4L Automatic Transmission Module Controller Unit 09D927750FS
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Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F
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Rain Sensor BMW F40 Light Solar Bracket Holder Support Frame 9398986
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Mercedes W205 S205 W213 Fuse Box Front Relay Control Unit Module A2059067200
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Mercedes W204 C180 Engine Unit BlueEFFICIENCY 271.820 156HP ECU A2711500391
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CD Player BMW E60 E61 LCI E63 E64 Radio Stereo CHAMP Business Head Unit 9187903
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PDC Module BMW G30 G31 Parking Assistant Control Unit USS VA03 HIGH 9418460
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Seat Leon 5F Mk3 Air Module Control Unit ECU Module Sensor 3Q0959655BH
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BMW i4 G26 Gran Coupe Electric Battery Negative Lead Cable Wiring 5A29A15
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Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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BMW E81 E87 E90 LCI 118d 318d N47 ECU Engine Unit Kit DDE 8506434 CAS3 Key
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VW Volkswagen Phaeton 3D Seat Control Unit ECU Front Driver's Side 3D0959760B
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Audio Amplifier Mercedes W211 C219 Harman Kardon Sound Module Unit A2118706789
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Fuse Box Citroen Berlingo Peugeot Partner BSM Module Control Unit 9807028880
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VW Golf MK5 Body Control Comfort Module BCM Convenience Unit ECU 1K0959433BL
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Board Monitor BMW X5 X6 E70 E71 Sat Nav System Screen 8,8" 9194064
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BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9269020
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Mercedes W203 W204 Diesel Engine Starter Motor A0061512501
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BMW E90 E91 M57N2 Engine Control Unit ECU Kit DDE 7808222 + CAS2 + Key
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Citroen C3 Picasso Negative Battery Terminal Cable Wiring Lead 9687656980
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Genuine VW Audi Seat Skoda Diesel Glow Plug Relay Unit Black 038907281D
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Mini One R50 W10 90HP Engine ECU Kit DME 7545789 + EWS + Keys Manual
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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BMW F20 F21 F30 116i 316i N13 136HP Engine ECU KIT DME 8630125 FEM + Key Manual
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Mercedes-Benz C W203 Rear Left Right Door Wiring Loom Harness A2035407308
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Audi A6 C6 Fuse Relay Box Module Unit Holder Bracket 8A0937530
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Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME CAS3 + Key 7610011 Manual
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Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AC
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BMW F10 F20 F30 F32 Engine Control Unit Diesel N47N ECU DDE 8517862 Automatic
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Antenna Control Module Audi Q3 RSQ3 F3 Line Keyless Entry 5Q0962131
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW F22 220dX F32 F36 420dX B47 Engine 190HP ECU DDE Control Unit 8589145 Manual
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BMW E90 E91 LCI 316d N47N 115HP Engine ECU Kit DDE 8512043 CAS3 Key Manual
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Mercedes-Benz S W221 Rear View Reversing Camera Video Unit Park A2218206397
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BMW E87 E90 118i 318i N46 129HP Engine ECU KIT DME 7561834 CAS2 + Key Manual
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Wiring BMW F32 F33 F36 LCI N57Z Engine Gearbox Module Wiring Harness 8595865
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Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Part no. 1406067
Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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BMW F13 Central Gateway Module ECU Control Unit Lear ZGW-02 High 9291451
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BMW 1 3 Series E81 E92 Driver Side Seat Wiring Loom Electric Harness 9131723
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Audi A4 B8 HV Battery Alternator Wiring Harness Loom Cable 8K2971228
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Mini Cooper R56 Engine N12 1.6 120HP Petrol ECU Kit DME 7640004 CAS3 + 2 Keys
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Mercedes SLK R172 Rear Window Heating Cable Loom Heat Wiring Harness A1725402513
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Peugeot 207 Engine Wiring Harness Cable Loom 1.6 HDi DV6 9663381380
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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BMW F20 F21 LCI 116d 116HP B37 Diesel Engine ECU Unit DDE 8587952 Manual
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BMW Varta VRLA / AGM 12V Accumulator Battery 105Ah 950A 7604806
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CD Radio Mercedes Vito W639 Sprinter W906 Audio Stereo Head Unit A9068200286
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BMW Mini Cooper R55 R56 R57 LCI Alternator Generator Diesel 150A 7576956
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key Automatic
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Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068200886
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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BMW Disc Professional Navigation 07-02 Navteq DVD Road Map Europe T1000-11912
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Part no. 8R0867749A
Porsche Macan 95B Battery Holder Strap Mounting Bracket Clamp 8R0867749A
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REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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VW Touareg 7P Central Body Control Module Comfort Unit BCM ECU 4H0907063L
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Part no. 8512291-2
BMW 3 Series E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8512291 Manual
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Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503586
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Mercedes W169 W245 Relay Control Unit Bracket Mount Holder Cover A1695458140
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BMW E88 Convertible Folding Top Roof ECU Module CVM Bracket Holder Mount 7195197
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BMW X5 Series E70 Four Wheel Drive Transfer Box Control Unit Module 7606629
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Radar Sensor Mercedes W204 C117 Rear Blind Spot Right left N/O/S A0009053303
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BMW E60 E61 MINI R50 Rear Bumper PDC Ultrasonic Sensor Hyper Blue
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Audi Q7 4L Rear Reversing Camera Module View Camera Control Unit ECU 4L0910441A
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BMW 7 Series E65 E66 E67 Control Unit Module Passive Go 6941803
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BMW E34 E36 E39 E46 Starter Motor 1,4KW BOSCH 1740374
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Mercedes C140 Comfort Convenience Control Module Unit ECU A1408206026
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Mercedes W906 313 CDI OM646.985 109HP Engine ECU Unit Module A6461501877 Manual
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Mercedes SLK R171 Seat Heated Heating Control Unit Module ECU A1718201726
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Mercedes CLK C209 Keyless Go Module ECU Door Lock Control Unit A2098202626
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Mercedes Vito W447 Battery Crash Disconnection Control Relay N000000006984
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VW Passat Variant PA 1.6 TDI Diesel Blue Motion Engine Control ECU 03L907425C
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BMW X3 E83 LCI 3.0sd M57N2 Engine Control Unit ECU DDE 7806981 Automatic
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BMW X5 E70 X6 E71 E72 Battery Earth Cable Wiring Loom 7557027
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Citroen C4 Starter Motor Diesel Engine 1.6 HDI Actuator Unit 9688268580
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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Audi A6 C7 Rear Boot Trunk Lid Tailgate Control Unit Module ECU 4G9959107B
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BMW Disc Professional Navigation 2016 Update DVD Road Map Europe 2408599
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VDP Module BMW G30 G31 G32 Front Suspension Level Control Unit Module 6889577
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BMW 5 Series E60 E61 LCI 525d M57N2 Engine Wiring Loom Harness Manual 7796846
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BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Peugeot Expert Citroen Dispatch 2.0 HDI 120HP Engine Unit ECU 9664611380 Manual
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BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Mercedes R171 SLK350 272.969 305HP Engine ECU Kit A2721531692 Key Lock Automatic
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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 .