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. A2045458201
Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.8 2T14-11000-BA
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Headlight Ballast BMW E60 E61 E90 E91 Xenon Adaptive Control Module 6941634
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CD Changer BMW E65 E66 6-fold CD Disc Changer Without Magazine 9143440
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Mini Cooper One R56 Footwell Light Module ECU HIGH Lear PL3 FRM II 3452092
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BMW E90 E91 LCI E92 330d N57 245HP ECU Engine Kit DDE 8510221 CAS3 Key Manual
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Head Unit BMW F30 F31 F32 X3 F25 Navigation Sat Nav Basic Media Player 9350332
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Air Module Mercedes W639 W906 Control Unit ECU A9064461142
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Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
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BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual
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Mini Cooper R55 R56 Petrol N12 120HP Engine Control Unit ECU DME 7589971 Manual
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Amplifier BMW F30 F31 F32 F33 F34 F36 Active Sound Design Audio Module 2448166
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
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VW Tiguan 5N Central Gateway Control Unit Module Relay ECU 1K0907530S
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Audi A4 B7 Radio Player Head Unit CD Stereo Concert 8E0057186DX
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BMW E93 LCI Convertible Light Module Footwell Module PL2 FRM3R Lear 9308366
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BMW X5 E70 X6 E71 Front Sport Seat Lumbar Wiring Loom Harness Cable 9118469
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Renault Trafic Display Screen Sat Nav Navigation Unit Dashboard 259151852R
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Mercedes S204 Fuse Box Terminal Connection Unit A2045450369
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Earth Cable BMW E60 E61 Electrical Starter Alternator Earth Cable Wiring 7795520
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Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
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Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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BMW 1 Series E87 Footwell Light Control Module Lear FRM3R PL2 9249080
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Land Rover Freelander 2 Radio CD Player Stereo Audio Head Unit 6H5218845AC
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BMW E46 M3 Z4 E85 M3.2 Engine Starter Motor Valeo 7834214
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VW Golf 5 V 1K Fuse Box Control Unit Relay Power Distribution Module 1K2941824
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Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
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BMW E60 E61 Front Seat Occupancy Sensor Mat 6940422
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Mercedes W204 Safety Crash Impact Control Module Unit A2048208285
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Iveco Eurocargo F4AE0481 Engine Module ECU 4898111
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Radio BMW E81 E87 E90 E91 E92 LCI CD Professional DAB 9246503
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BMW G30 G31 F90 M5 G11 Antenna Aerial Diversity Amplifier Unit 8735982
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
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BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key
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BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Alternator BMW F10 F13 F07GT F02 Petrol N63 Alternator valeo 230A 7603779
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Part no. A2129000006
Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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Battery Cable Mercedes W211 OM647 Starter Alternator Wiring Harness A2115401805
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Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0907289J
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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BMW 3 Series E90 Radio Professional CD Audio Player Control Unit 9205962
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
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Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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Ford Transit Mk8 2.0 Ecoblue Diesel Glow Plug Wiring Loom GK2T-6M091-AB
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BMW Z4 Series E85 Emergency Release Folding Top 7123023
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Part no. 8519663-18
Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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Part no. 1735752
BMW E36 Electrical Fuse Relay Box Covering Panel Trim Socket Petrol 1735752
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Peugeot 307 3008 1.6 HDI Negative Battery Terminal Cable Wiring 9676811880
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Mini R50 One D W17 1.4 Diesel Engine Starter Motor 7791335
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Mercedes ML W166 GLE C292 Relay Current Power Limiter Fuse Box A1669067701
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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Ford Transit Mk7 Relay 5-Pin Black Unit FoMoCo 6G9T14B192DA
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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Mercedes C219 Coupe Front Bumper Parking Sensor PDC Wiring Harness A2195404505
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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Audi A4 B8 2.0 TDI Alternator Generator 03G903016G
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Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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Mercedes C205 Fuse Box Relay Control Unit Module A0035421819
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BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H
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Mercedes W212 Fuel Pump Module Control Unit A2129000306
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BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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Engine Wiring Loom Mini R50 Petrol W10 Module Harness Cables 7520321
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Mercedes Vito W639 OM651.940 136HP 113 CDI Engine ECU Kit A6511501879 Keys+Lock
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Ignition Coil Mercedes W202 W203 M111 Cable Connector A0001501780
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Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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Audi A4 B7 Door Card Speaker Harness Loom Cable Wiring Rear 8E0971693P
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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BMW F45 Mini F60 B38X High Voltage Accumulator Negative Ground Cable 8648843
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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 .