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. A2135406303
Mercedes W213 PDC Parking Sensor Wiring Loom Cable Rear Bumper A2135406303
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BMW F01 F02 F03 LCI F06 F10 F13 Antenna Amplifier Diversity 868 MHZ 9346806
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BMW E81 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224588
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Starter Motor Mercedes W213 S213 W238 OM654 Diesel Engine Actuator A6549061400
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Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Mini Cooper One R55 R56 N12 120HP DME 7573701 Engine Control Unit ECU Automatic
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Ford Transit MK7 2.2 TDCi Diesel Glow Plug Wiring Loom Cable BK2Q6M091AE
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BMW E81 E87 LCI E90 118d 318d N47 143HP Diesel ECU KIT DDE 7810001 CAS3 + Key
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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic
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Mercedes W203 W209 Relay Unit Module 2 Pins White Hella A0005461366
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BMW F10 F11 Cable Harness Door Driver's Side Right O/S Wiring 9237082
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Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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Volkswagen Golf Mk8 Engine Starter Motor Assembly Unit 0AM911022C
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
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Mercedes W906 Door Module Front Left Right N/O/S Control Unit ECU A9069000501
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Audi Q7 4L CD Player Changer Multimedia Module Control Unit 4L0910110B
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BMW E64 Gateway Module Sensor Air Module Control ECU 6975688
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Mercedes W213 OM654.920 Automatic Transmission Control Unit Module A2139002501
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Mercedes W639 OM651.940 136HP 113 CDI Engine Unit ECU Kit A6511501879 Key Lock
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BMW 5 6 Series E60 E61 E63 E64 Power Steering Speed Sensor 6774039
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Seat Ibiza 6J 1.2 TSI CBZB 105HP Engine Control Module ECU Unit Manual 906070GR
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BMW X5 E70 X6 E71 Air Suspension Supply Compressor Valve Control Unit 6859714
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VW Volkswagen Audi Glow Plug Relay Unit Bosch 11 Pins 4E0907282A 0281003029
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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BMW G20 320d B47D 190HP Engine Control Unit Module ECU Kit DDE 8475468 Key BDC
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BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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Mercedes-Benz W169 W245 A B 200 CDI Engine Control Unit Module ECU A6401507479
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BMW X5 Z3 Series 1 E36 E53 DSC Hydraulic Pump Compressor 1165905 1165904
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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SAM Module Mercedes Sprinter W906 Fuse Box Relay Control Unit A9069006701
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Mini F55 F56 Control Unit Module Active Sound Design 8717601
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Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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BMW 3 Series E46 Door Wiring Loom Harness Co-Drivers Passengers Side 8383351
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BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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Mercedes W169 A150 M266.920 95HP Engine Control ECU Kit A0014460340 Automatic
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Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
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Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
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BMW Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME + CAS 3 + Key 7640004
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BMW E61 E65 E66 E67 HKL Bootlid Trunk Lid Control Unit Module
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Citroen Berlingo ECU Bracket Control Unit Module Holder Mount 9808674780
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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BMW 6 Series E64 Aerial Antenna Amplifier Diversity DAB 6935048
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BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385
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BMW E46 Inclination Indicator Alarm Tilt Sensor Control Module 8386932
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Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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ECU Unit BMW E81 E82 E87 LCI E88 N47S 123d Engine Module DDE 7811702 Manual
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BMW 1 Series E87 Footwell Control Module Body H2 61356968835 6968835
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Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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VW Volkswagen Scirocco Mk3 Air Module Control Unit ECU 1K0909605AE
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BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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BMW F45 i8 Mini F60 B38 B38X Hybrid Engine Alternator Generator 7649390
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BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Audi A4 B8 Rear Door Card Harness Wiring Cable Loom Left Right N/O/S 8K0971693B
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Audi Q7 4L 3.0 TDI Dielsel Automatic Gearbox Module Control Unit ECU 0C8927750AL
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Mini R55 R56 R60 Daytime Running LED Fog Lights Module Set 2348833
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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BMW Z4 E89 ECU Body Control Module H3 Junction Box 9187541
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BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365
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Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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BMW F11 ECU Body Control Module Junction Box 9252333
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BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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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 .