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 3 Series E90 ECU Body Control Module H1 61356968034 6968034
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Audi Q7 4L S8 D3 Interface Control Unit Module 4E0035785B
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BMW 1 3 Series E87 E90 LCI Professional Navigation Car Infotaiment Computer CIC
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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CIC Professional Unit BMW F01 F10 Sat Nav Infotainment Radio Player Head 9274569
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Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6949289
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Mercedes CL203 Fuse Box Control Unit Module SAM A2035454901
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Door Module Mercedes W204 W212 Front Right O/S Control Unit A2129009328
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026
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Radar Sensor Mercedes W176 W207 W246 Front Control Unit Module A0009052804
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Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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BMW E60 E61 E90 E91 330d 530d M57N2 Engine DDE Control Unit 7799856 Automatic
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Land Rover Range Rover Sport L320 Air Suspension Valve Block Module RVH000055
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BMW E87 LCI ECU Light Module Footwell NSW PL2 FRM II Lear 9153778
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Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
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HiFi Speaker BMW X5 E70 X6 E71 X3 E83 Top HiFi Sound Unit Door Card 6949734
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Key Reading Module BMW E87 E90 E91 ECU Control Unit CAS 3 9147212
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Volkswagen Golf 5 GTI 1K 2.0 TFSI 200HP Engine Ecu Kit 1K0907115F Key Ignition
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Audi A3 8L TT 8N Battery Cable Positive Wire Lead Terminal 1J0971228AE
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BMW 5 Series E61 Positive Battery Cable Plus Pole Lead 6944536
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Audi S5 8T Quattro 4.2 FSI Petrol V8 CAUA Alternator Genarator Valeo 079903015F
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BMW X6 Series E71 Rear Bumper PDC Cables Wiring Loom Set 9244429
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Audi A5 8T Headlight Range Headlamp Control Unit Module ECU 8K0907357A
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Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P
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Mercedes S205 X253 Center Console Wiring Loom Electrical Harness A2055402224
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Mini Countryman R60 Fuse Distribution Box SPEG High DC/DC H7 9809382
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BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Mercedes SLK R171 Front Air Module SRS Control Unit ECU A1718204126
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BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Speed Sensor Mercedes Sprinter W906 Impuls Control Unit Module A0155429317
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Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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Mercedes W221 Air Conditioning Climate Heater Control Unit Module A2218700326
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Light Module Mini R57 LCI Cooper ECU Footwell FRM3R PL3 High EKS Lear 3457586
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Mercedes W221 Gateway Control Unit Module ECU A2215408845
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Mercedes W207 Connection Media Interface Cable iPod Wiring Lead A0018276804
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Audi A5 8T Parktronic Parking Sensor Module Unit ECU 8K0919475
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Audi Q7 4L Audio Amplifier Sound System Unit Module ECU 4L0910223H
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Mini Cooper One R56 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Mercedes W204 W212 C207 M274 OM651 Starter Motor Engine Starter A2749060400
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BMW F80 M3 F82 M4 S55 431 HP Engine Control Unit ECU DME 8645445 Dual Clutch
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Audi S8 A8 D3 4E Air Shock Absorber Sensor Damper Front Left N/S 4E0616575K
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BMW E81 E87 LCI E90 120d 320d N47 177HP ECU Kit DDE 8512498 CAS3 + Key Manual
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Mini Cooper R57 Wiring Loom Harness Rear Trunk Lid 9278356
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BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032
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Audi Q7 4L Body Comfort Control BCM Onboard Supply Module Unit ECU 4L0910553L
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327
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Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-CG
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Mercedes-Benz C-Class W203 CD Player Audio Stereo Radio Head Unit A2038201786
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Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 + EWS + Key
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Audi A1 8X Starter Motor Petrol Engine Electrical Unit Actuator 02M911024J
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Tailgate Trunk Mercedes X117 X156 W205 Boot Rear Control Module Unit A2389053301
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Audi Q3 8U PDC Parking Distance Control Sensor Black - Z9Y 1S0919275D
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BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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BMW X4 F25 F36 F85 F15 Shark Roof Fin Antenna Aerial Module Unit 9291486
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BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
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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 .