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. 7835548
BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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Citroen Relay III Alternator Generator Valeo 9805343480
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Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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Mercedes A E Class W168 W210 Module Control Unit Electric Fan ESG A0255453232
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BMW F10 F11 F20 F30 520d N47N 184HP Engine Control ECU DDE 8577764 Automatic
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Mercedes W212 E63 AMG Drive Unit Extended Control Module ECU A0009009903
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Audi A1 8X Fuse Relay Box Electrical Control Unit Module 8X0937124
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Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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Third Stoplamp Cover BMW F30 F80 M3 Rear Stop Lamp Brake Trim 7259877
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BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Mercedes-Benz C E Class W202 W210 ESP Yaw Rotation Rate Sensor A0015404517
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Mercedes W204 W212 Alternator Generator M272 180A 14V Petrol Engine A0131545602
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BMW 3 Series E93 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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Seat Heating Sensor Mercedes W209 W211 W220 Left N/S Control Unit A2208203226
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Porsche Cayenne 9PA Suspension Control Unit Module 7L0907553E
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Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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BMW F10 Footwell Light Module Control Unit ECU 9394665
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Audi A4 B9 8W TDI Diesel Adblue Dosing Module Control Unit 4M0907355E
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Mercedes W207 W212 SAM Module Fuse Box Relay Control Unit A2129006924
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Part no. 6922854
BMW X3 X5 Series E53 E83 Cruise Control Air Flow Switch Steering Wheel 6922854
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Mercedes W204 W212 Fuel Pump Module Control Unit ECU AMG C63 A0009003500
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Part no. A2129006514
Mercedes W212 Air Suspension Control Unit Module ECU A2129006514
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Mercedes-Benz CLC CL203 Rear Tailgate Boot Lid Wiring Harness Loom A2034404913
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BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
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Part no. 9360357-1
Door Wiring Mini F55 F56 R60 Rear Right Left N/O/S Harness Loom Cable 9360357
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Part no. A2129006824
Front Fuse Box Mercedes W204 S204 Relay Control Unit SAM Module A2129006824
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Part no. 7565300-2
BMW Z4 E85 2.0i N46 150HP ECU Control Unit Module Kit DME 7565300 EWS Key Manual
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Engine Wiring Mini F56 Cooper S B46 B48 Valvetronic Cable Loom Harness 8617703
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Part no. 6923215
BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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BMW F20 F21 F25 F30 F31 ECU Air Module Crash Control Unit ICM 6878198
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Part no. 9172415
Mini Clubman R55 Rear Right O/S Wiring Loom Cable Harness Set 9172415
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Part no. A9075402705
Mercedes W907 Front Axle Brake Wear Indicator Loom Wiring Harness A9075402705
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Part no. 6819309
Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. A2049000607
Mercedes W204 W207 Air Suspension Module Regulation Control Unit A2049000607
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Part no. 4L0910401M-1
Audi Q7 4L 3.0 TDI BUG 233HP Quattro Engine ECU Kit 4L0910401M Lock + Key
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Part no. A2469069600
Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Part no. 9286887
BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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Mercedes-Benz M-Class ML W163 Roof Towing Alarm Sensor Switch Module 16228382
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Part no. A2129005912
Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Part no. 5QF959655BT
Seat Ibiza Mk5 Air Module Control Unit 5QF959655BT
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Part no. A2059004113-1
Mercedes S205 Display Screen Multimedia Navigation Sat Head Unit A2059004113
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Part no. 6972065
BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
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Part no. 9322122-1
Display Screen BMW F20 F21 F22 Central Information Sat Nav Monitor 6,5" 9322122
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Part no. 9240490-1
BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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Part no. A1679003718
Door Module Mercedes W205 W213 C253 Control Unit Rear Right O/S A1679003718
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Part no. 8P0959655C
Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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Part no. 9175866
BMW E60 E61 Front Right Door O/S Wiring Cables Harness 9175863
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Part no. A2129003825
Mercedes W204 SAM Module Control Unit Electrical Fuse Box Unit A2129003825
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Part no. 0AM911023J
Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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Part no. 9148257
Seat Control Unit BMW E60 E61 Module ECU 9148257
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Part no. 9140177-1
Mini Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Part no. 6855990
BMW X3 F25 ICM Control Unit Air Bag Module SRS Safety ECU 6855990
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Ground Line Mercedes W221 Wiring Battery Starter Alternator Cable A2215409032
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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Part no. 7405634
BMW G20 Trunk Boot Lid Tailgate Pushbutton Lock System Trim Cover Panel 7405634
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Part no. 9153966
BMW E93 ECU Body Control Module H1 PL2 JBBFE 61359153966 9153966
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Part no. 9166667
BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9166667
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ESP Module Mercedes W210 Electronic Stability Program Control Unit A0275455632
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Part no. 6907314
BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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Part no. 9247468
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
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Part no. 7533651-3
BMW 5 Series E60 520i M54 170HP ECU Kit DME 7533651 + CAS2 + Key Automatic
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Part no. A2129002627
Mercedes W212 Fuse Box Relay Module Control Unit A2129002627
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Part no. 7P0959651
Porsche Cayenne 92A Front Pressure Crash Impact Sensor 7P0959651
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Part no. 9199389
BMW Z4 E89 Radio CD Player Head Unit BMW Professional 9199389
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Mercedes-Benz C-Class W203 M111 C 180 C 200 K Engine Starter Motor A0051515301
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Part no. 7209145
BMW E64 E64N Cabrio Convertible Folding Top Roof ECU Module 6969008
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Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Audi A5 8T 2.0 TFSI CDNB 180HP Engine ECU Kit 8K2907115Q 2 Keys + Ignition
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Part no. 9316663
Seat Wiring BMW X3 F25 X4 F26 Cable Loom Harness Passenger's Side 9316662
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Part no. A4159064900-1
Mercedes Citan W415 Alternator Generator OM607 Diesel Engine 150A 14V 231000026R
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Part no. 6874797
BMW F25 VDC1 Suspension Control Module Unit ECU 6874797
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Part no. 9381606
Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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Part no. 7640005-8
Mini Cooper R56 N12 1.6 120HP ECU Kit Engine DME 7640005 + CAS3 + Keys Manual
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Part no. 6961142
BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV LWR 6961142
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BMW 3 Series E46 M47N Cable Alternator Starter Base B+ 7787581
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Part no. 6928975
Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
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Part no. 1729981
BMW 5 7 X5 Series E34 E38 E39 E53 Petrol Starter Motor 1729981
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Ventilation Valve BMW F90 M5 F91 M8 S63M Fuel Tank Pipe Cyl. 5-8 7852338
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BMW F20 F30 F32 120i 320i 420i N20 184HP ECU Kit DME 8610635 + Key + FEM Manual
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Battery Cable Plus BMW X5 E70 E70N LCI X6 E71 Positive Pole 9217004
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VW Transporter T5 Engine Cooling Radiator Fan Control Unit Module 7H0919506D
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Part no. 5QA919283B
Skoda Octavia 5E III Park Parking Assist PDC Distance Control Module 5QA919283B
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Part no. A2115407545
Mercedes W211 Central Gateway Control Unit Module Relay ECU A2115407545
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Part no. A2641591400
Ignition Coil Mercedes W177 M260 Petrol Ignition Cable Connector A2641591400
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Part no. 6943830
Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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Part no. 6920461
BMW E60 E61 E63 E65 Amplifier Stereo HiFi Harman/Becker 6920461
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Part no. 6943833
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Part no. 9290990
Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990
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Part no. 7599881-6
BMW E81 E87 LCI 116i 1.6 Petrol N43 122HP ECU Kit DME 7599881 CAS3 Key Manual
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Part no. 9230445-2
BMW 3 Series E92 Footwell Light Control Module Max Brose Lear FRM3R PL2 9230445
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Part no. 9230617-1
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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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 .