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. 7808074
BMW E70 LCI F10 Alternator Generator Engine 180A Valeo N57 Diesel 7803724
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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BMW X5 E53 E60 E61 E63 E65 E70 Valvetronic VVT Control Unit Module 7532878
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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BMW E93 Convertible Rollover Control Controller Module Unit 9134734
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Fuse Box Mercedes Sprinter W907 W910 Relay Box Fuse Box Module A9075450100
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BMW 1 3 Series E81 E87 E90 Hands-free Electronics Charging Module MULF 6972678
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Mercedes W169 W245 Door Control Module Front Left N/S A1699000500
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Mercedes CL203 Radio Aerial Antenna Amplifier Wiring Cables A2038200389
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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BMW E61 E61N LCI Antenna Amplifier Diversity 868 MHZ 9183564 6985531 6934478
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BMW E87 LCI E90 118i 318i Petrol N43 143HP ECU Control Unit DME 7599881
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Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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Alternator Generator Mercedes W204 W212 M271 Engine Valeo 150A 14V A0009063000
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Audi A4 B8 A5 8T A6 C7 Remote Radio Alarm Key Button Control 868 MHZ 8T0959754D
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BMW E81 E87 E90 LCI E92 Navigation System Car Computer CIC 9218330
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BMW 1 3 5 Series E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9226238
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Fuse Box Mercedes W205 W222 Electrical Relay Box Module Unit A2229063202
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BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886
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BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
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BMW Mini Cooper R57 R57N Cabrio Aerial Roof Antenna Base 9149080
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BMW 5 6 E60 E61 E63 E64 M-ASK M-Audio System Controller CD Player 6950814
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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Mini Cooper R55 R56 R57 R58 Petrol Engine Alternator Generator 7576921
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BMW X5 Series E53 M57 M57N 3.0d Diesel Webasto Auxiliary Heater 8380998
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Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
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Part no. 7515029
Mini Cooper One R50 R52 Petrol W10 Compact Alternator 105A 7515029
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Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Mercedes W211 W220 ESP Yaw Rotation Rate Sensor A0025426618
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Part no. A9079001703
Display Screen Mercedes W907 W910 Head Unit Touch Monitor 7" A9079001703
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Radio Professional BMW E81 E87 E90 E91 LCI Autoradio CD Bluetooth 9289115
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Part no. E90 Wiring Loom Set PDC Rear-2
BMW 3 Series 2 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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Mini Cooper R56 Engine N12 Wiring Loom Harness Injection Valve Ignition 7585946
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A/C Compressor BMW E60 E61 E65 M57N2 M54 Air Conditioning Pump 6917859
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Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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Mini Cooper R50 R52 6-Disc CD Changer Multichanger Without Magazine 6913388
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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BMW E81 E87 E90 E91 E92 E93 6-disc CD Changer With Magazine 9133083
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BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
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BMW X3 X5 E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black 6989069
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Mercedes W221 Rear View Reversing Camera Control Unit Module A1645430062
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BMW E91 ECU Body Control Module H4 Electronic Box PL2 JBBFE 9119496
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Mini Cooper R50 R52 W10 116HP Engine ECU Kit DME 7557395 + EWS + Key Manual
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Camera Module BMW F10 F20 F12 F87 Reversing Camera Rear View Control 6994555
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BMW F15 Top Hifi Audio System AMP Amplifier Harman Kardon 9330058
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BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch 0986024980
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Navigation System BMW X3 E83 Z4 E85 Mini R50 R52 DVD GPS Computer Unit
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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BMW E88 Cabrio Hydraulic Pump Convertible Folding Top Roof Unit 7171303
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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BMW 5 6 Series 1 E60 E61 E63 E64 Battery Cable Holder Mounting B Base 6932006
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BMW X3 E83 LCI M47N2 2.0d 150HP ECU Kit DDE 7805349 Manual Transmission
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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BMW 3 Series E91 Light Module ECU Footwell Module PL2FRMFA Lear 6987998
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BMW F10 LCI Light Control Footwell Module ECU Unit FRM3 9345374
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Part no. 7788680
BMW X3 X5 E46 E60 E61 E65 E83 E53 M57N Starter Motor 7788680
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Part no. 9145102
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC 9145102
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Part no. A0025422619-1
Relay Mercedes W203 W204 W212 W639 W906 4-Pin Grey Hella 12V A0025422619
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Part no. A2049014504
Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Part no. 9127768
BMW E60 E61 Positive Battery Cable Plus Pole Lead 61129127768 9127768
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Part no. 3452235
BMW X3 Series E83 LCI Diesel Battery Positive Lead Red Cable Plus Pole 3452235
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Part no. A2118702726
Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Part no. 6827072-1
Mini Cooper R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Part no. A2711541402
Mercedes W203 W204 M271 Engine Alternator Generator Valeo 120A 14V A2711541402
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Part no. 6978271
BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Part no. 9177987
BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Mini R55 R56 Manual Transmission Gearbox Gearshift Actuator Unit GS6-55BG
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Part no. 6962671
BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Part no. A1669008506
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A1669008506
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Part no. 9318777
BMW F10 F11 Pedestrian Protection Sensor F-Optic Control Unit 9318777
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Part no. 3414880
BMW X3 E83 Diesel Battery Positive Lead Red Cable Plus Pole Wire 3414880
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BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Mini Cooper One R55 R56 LCI Aerial Base Roof Antenna 3442123
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BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
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Part no. 6976989
Mini Cooper One R52 Body Control Unit Basic Module BC1RD 6976989
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Alternator Mercedes W204 W212 Diesel Engine OM651 Valeo 180A A0009067900
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BMW X1 E84 ECU Body Control Module M PL2RR JBBFE IIIR Junction Box 9305739
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Mercedes W204 W212 Front Windscreen Rain Light Sensor Control Unit A2048708826
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Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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BMW E90 LCI ECU Footwell Light Module FRM3R Rear Led Basis 9263800
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Part no. A1695401006
Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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Part no. 9247472-1
BMW E91N LCI ECU Body Control Module Junction Box H2 9247472
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Part no. 7586134-2
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7586134 + CAS3 + Key Manual
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Part no. 8516259
Engine Wiring BMW F20 F30 LCI 118d 318d B47 Loom Harness Cable 8516259
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Part no. 9184203
BMW 3 5 Series Mini Cooper E60 E93 R55 R56 R60 IBS Negative Battery Lead
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Part no. A0038212851
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0038212851
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Part no. 8570849
BMW F20 F21 F30 F31 LCI 116i 118i 318i B38 Petrol Engine Starter Motor 8570849
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Part no. A2048707658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Part no. 03D903025J
Seat Ibiza Skoda Fabia Volkswagen Polo Mk5 6R 1.2 Petrol Alternator 03D903025J
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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 .