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. 6921965
Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6921965
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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BMW F01 F02 LCI F07 GT Control Unit Module Voltage Transformer VSU400 9247159
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Ford Transit Mk7 2.2 TDCi Diesel Engine Alternator Generator Unit CC1T-10300-BB
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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Mini Cooper R50 R53 R56 R57 R58 Fuel Tank Heat Insulation Plate 2757771
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VW Volkswagen Golf 6 1.6 TDI Diesel Engine Starter Motor 022911024A
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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BMW E88 Footwell Light Module Control Unit ECU Basis PL2 FRM3R 9308361
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Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
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BMW X3 E83 Z4 E85 E86 Radio Business CD Player Audio Head Unit 6943437
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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Ford Transit Mk7 2.2 TDCi Euro 4 Diesel Engine Wiring Loom Cables 6C1T12B637JF
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Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Mercedes W169 W245 Door Cable Harness Wiring Loom Front Left N/S A1695407705
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BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
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Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
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Alternator Generator Mercedes W213 C238 C253 OM656 Engine Valeo 250A A0009064508
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BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Stereo Head Unit Mini Cooper One R55 R56 R57 Radio Boost CD Player 3453634
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Audi A3 8V Gateway Control Module Unit ECU 5Q0907530P
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Audi Q7 4L Air Suspension Control Module ECU 4L0910553B
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Positive Cable BMW Z4 E89 Convertible Battery Plus Pole Power Red 9249103
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Mini Cooper One R55 R56 R58 R60 R61 Airbag ECU Control Module 3454346
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
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BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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Part no. 5A656B7
BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
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Alternator Mercedes Sprinter W906 Vito W636 W639 Diesel 180A Valeo A0009068802
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Part no. 8374798
BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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BMW 1 3 5 E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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BMW 5 Series E60 Wiring Switch Engine Hood Bonnet Cable 6948729 61126948729
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Peugeot 207 1.6 HDI Diesel Glow Plug Wiring Loom Cable Wiring 9671583580
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 4F0907289N
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Part no. 7519308-1
BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic
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Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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Engine Basic Control Unit Mini R50 R52 W10 ECU DME 7545789 Automatic
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BMW F20 F21 F30 F31 118d 318d 143HP N47N Engine Unit ECU DDE 8576341 Automatic
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BMW F20 F21 F30 F31 Control Unit Air Conditioning A/C Module 9380883
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AdBlue SCR Module Mercedes W907 W910 W447 Exhaust Gas Cleaning A0009002126
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Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
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FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
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Mercedes W176 W246 Front Door Module Control Unit Module Right O/S A1669004302
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Ford Transit Custom 2.2 TDCi Diesel Starter Motor WaiGlobal 12V 33243N
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW X1 Z4 E81 E84 E87 E88 E89 E90 E91 E92 1 Radio Business CD 6975015
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness 3452217 3452220
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AUDI S8 D3 Access Start Comfort Kessy Control Module 4E0907181A
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BMW F30 F32 LCI 335dX 435dX N57Z Engine Wiring Cable Loom Harness 8574019
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Part no. 96766518XT00
Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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Part no. A6681500033
Engine Wiring Mercedes W168 668942 Diesel Module Loom Harness Cables A6681500033
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Part no. A1679008405
Mercedes Sprinter W907 W910 Front Door Module Control Unit Left N/S A1679008405
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Part no. 9157155
BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157155
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Part no. 6943833
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943833
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Part no. 1489995
Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
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Fuse Box Mercedes W205 W213 GLC X253 Hybrid Power Distribution Unit A2135401115
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Part no. 6943838
BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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Mercedes EQA350 H243 4matic Electric Battery Charger Control Module A0009009935
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Part no. 6929760
Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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Audi A3 8V 2.0 TDI Engine Starter Motor Bosch 02E911024A
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Part no. 9325653
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW E93 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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BMW 7 Series E65 E66 1 Rear Bumper PDC Ultrasonic Sensor Titansilber Silver 354
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Mini R52 R53 Battery Cable Wiring Lead Positive Plus Pole 6942507
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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BMW 5 Series E60 E61 Cable Loom Driver's Door Wiring Harness 6972569 6972564
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Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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Mercedes Vito W639 Automatic Gearbox EGS Control Unit Module ECU A0015455716
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Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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BMW F20 F30 Air Duct Front Slam Panel Flap Control Motor Drive Unit C11492-104
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BMW X5 Series E70 Footwell Light Control Module Unit LEAR FRM3R VDM 6801294
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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Alternator Generator Mercedes W203 W209 M271 Engine Valeo 120A 14V A2711540902
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Mercedes ML W164 Air Module System Control Unit A1648209585
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Mercedes W176 W246 200 CDI 651.930 136HP Engine Unit ECU A6519009702 Manual
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A2465406432
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Part no. 8506199
BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU DDE 8506199 Control Unit
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Parktronic Module Mercedes W221 Parking Aid Sensors Control Unit A2215400901
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Part no. 9119427
BMW X3 X5 E53 E83 PDC Parking Distance Control Unit Active Module 911942
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Part no. A0061517201
Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Part no. 7565300-13
BMW E87 E90 118i 318i N46 129HP ECU Control Unit Module DME 7565300 Automatic
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Part no. A0185458332
Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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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 .