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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BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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BMW E81 E87 E90 N43 120i 320i N43 170HP ECU Kit DME CAS3 Key 7583225 Manual
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BMW 5 Series F10 N57N Diesel Alternator 210A Valeo 8515754
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Audi A3 8P Engine Starter Motor Actuator 2.0 TDI Diesel 02E911023Q
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Mini One R50 1.6 W10 90HP Engine Control Unit ECU Kit DME 7557395 Manual
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit Module 6934837
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Mercedes W204 Rain Light Solar Condensation Sensor Control Unit A2048703526
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MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME CAS3 + 2 Keys 7610011 Manual
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Mercedes W221 Remote Trunk Closing Hydraulic Pump Motor Unit A2218001548
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Vauxhall Corsa D 1.3 CDTi Alternator Generator Electrical Unit 101210-0961
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BMW X3 E83 1.8d 2.0d N47 Engine Wiring Loom Harness Cables Set 3453809
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Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
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BMW E60 E87 E90 LCI N47 120d 320d ECU Control Unit Kit DDE 7823420 CAS3 Key
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BMW E81 E87 E90 E91 E92 E93 Radio CD Player Professional Control Unit 9231931
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Ford Transit Mk4 Starter Motor Engine Actuator Diesel 92VB-11000-BA
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Volkswagen VW Golf VI Passat B6 2.0 TDI Diesel Engine Starter Motor 0001123044
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BMW 3 Series E91 ECU Body Control Module Unit H2 61359226331 9226331
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Peugeot Partner Hazard Warning Light Switch Button 96583113KR
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Volkswagen Golf Sportsvan Fuse Box Engine Compartment Relay Unit 5Q0937125B
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BMW F30 Fuel Pump Module Fuel Pump Control Unit ECU 8699235
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BMW E60 E90 330d 530d M57N2 ECU Engine KIT DDE 7803369 CAS3 + Key
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Audi Q5 8R Rear Bumper PDC Parking Sensor Wiring Harness Loom 8R0971104CC
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Mercedes W164 W251 Fuse Box Fuse And Relay Module Rear Unit A1645402372
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Part no. 8506951-2
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Mercedes W177 A200 M282.914 163HP Engine Control Unit Module ECU A2829003200
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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Switch Sensor Cable Mercedes W205 W212 Rear Bumper Module A2229058804
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM IV 6928931
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BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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BMW F40 X1 F48 Mini Countryman F60 Engine Starter Motor 12V 8686185
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
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Mini One D R55 R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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BMW E65 E66 Control Unit Air Bag ECU Gateway Module Unit 9115360
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Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890
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BMW 5 X5 Series E39 E53 Automatic Gearbox Basic Control Unit EGS 7512653
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BMW 5 Series E60 Light Control Module Unit Lear LME6X (LCM) 6941593
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Ford Transit Connect Engine Control Unit ECU 9TGH Module 1.8 TDCi 9T11-12A650-GH
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Mini Clubman Cooper R55 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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BMW 3 4 Series F80 M3 F82 F83 M4 Lithium-ion Car Battery 12V 69Ah 770A 8047220
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BMW E91 Touring Body Control Module Unit Junction Box KL PL2RR JBBFE 9229885
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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BMW X3 E83 LCI 2.0d N47 177HP Engine Control Unit ECU DDE 7811111 Manual
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BMW E87 E90 118i 318i N46 129HP ECU KIT DME CAS2 + Key 7557290 Manual
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Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181C
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Mercedes W204 C220CDI BlueEFFICIENCY OM651.911 Engine ECU Kit A6519007500 Key
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Audi A3 8V Gateway Control Module Unit ECU 5Q0907530S
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Audi A1 8X Negative Battery Terminal 8K0915181L
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BMW E89 Light Led Module Footwell Unit Lear FRM3R PL2 9241006
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Citroen Berlingo B9 1.6 HDI Diesel Engine Wiring Cable Harness 9673749980
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Mercedes W176 W246 Parktronic Parking Control Unit Module ECU A2469005010
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Audi A1 GB Seat Ibiza FR Alternator Generator 140A Petrol 1.0 TSI 05E903026Q
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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Mercedes W205 Multi-Purpose Windscreen Camera Control Unit Module A2479006804
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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Volkswagen Caddy 1.6 TDI CAYD C20 102HP Engine Unit ECU Manual 03L906023PC
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Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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BMW 5 Series E60 M5 S85 Underfloor Positive Plus Pole Battery Cable 7835177
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Audi A3 8P 1.6 MPI Ignition Wiring Loom Harness Set 06A905409P
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Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi 059903018R
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BMW F07 F10 F11 N47N Diesel Alternator Generator Engine 220A Valeo 8507625
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Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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BMW 1 Series E87 ECU Body Control Module Unit L2 PL2 JBBFE 9134482
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Mercedes W205 W212 W246 Parking Distance Sensor Parktronic White A0009059300
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Mercedes W169 CD Navi Media Player Radio COMAND Head Unit A1699002400
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Mercedes C140 W202 Engine Cooling Radiator Fan Control Unit Module A0165459632
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BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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BMW 1 2 Series 1 F20 F21 F22 Central Information Display Screen 6,5" 9237539
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Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Audi Q5 8R Negative Battery Terminal Cable Wiring Battery 8R0915181
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Mercedes W447 Door Control Module Front Left N/S A4479007706
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Mercedes W447 OM622 Diesel Engine Alternator Generator A0009064022
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BMW F30 F32 LCI N57N N57Z Diesel Engine Alternator Generator 230A Valeo 8570675
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Audi A4 B9 A5 F5 Q7 4M Q5 FY VW Volkswagen Touareg Mk3 Starter Motor 057911024
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VW Volkswagen Polo 6N 1.4 APQ Petrol Starter Motor 085911023JX
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Mercedes-Benz W203 C 220 CDI OM611 Engine Control Unit Module ECU A6111532379
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BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3456858
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Part no. 7590857-3
Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
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Mini Cooper D R60 R61 ALL4 N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key
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Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Mercedes-Benz CLK-Class W208 Front Right Door Control Unit Module A2088202226
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BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
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Part no. 7520019-13
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW 5 7 Series E60 E65 Sunroof Sliding Roof Drive Unit Motor Actuator
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BMW 3 5 Series E60 E61 E90 E91 N52 325i 525i ECU Kit DME CAS2 Key 7555361 Manual
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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 .