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. 7L6937049J
Volkswagen Touareg 7L Onboard Supply Comfort Unit Module ECU 7L6937049J
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Mercedes W207 W212 Harness Wiring Cable Connection Media Interface A2128270026
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Telematics Module BMW G01 G02 G20 G21 G30 G31 F40 F44 Control Unit 5A5CE21
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Volkswagen VW Navigation CD FX Road Map Great Britain Ireland 3C0919884F
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Mini Cooper R60 R61 N16 122HP Engine Control Unit ECU DME 8652745 CAS3 Key
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BMW X5 F15 X6 F16 30dX N57 258HP Engine ECU Kit DDE 8475351 BDC Key Automatic
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BMW MINI Clubman R55 Cable Wiring Loom Splitdoor Split Door Rear Right O/S
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7811702 + CAS3 + Key Automatic
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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BMW 3 Series E93 Cabrio Convertible Wiring Loom Harness Rear Trunk Lid 9143302
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BMW F20 F21 116d N47N 116HP ECU Enigne Unit Kit DDE 8573258 + Keys + FEM Manual
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Mercedes W210 E240 112.911 170HP Engine ECU Kit A0265456532 Automatic Key Lock
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Mini R55 R56 R57 LCI N16 98HP Engine Control Unit ECU DME 8617050 Manual
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BMW E60 E61 E63 E64 6-Disc Compact CD Changer 6941416
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BMW E60 520i M54 170HP Engine ECU Kit DME + CAS2 + Key 7527072 Automatic
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Mercedes Sprinter W906 Radio CD Player Audio Multimedia Head Unit A9069005203
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Seat Leon Mk3 5F Multimedia Radio Sat Nav CD Player Head Unit 5QA035858B
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VW Volkswagen Polo 6N 1.4 Petrol APQ Engine Control Unit 030906027AA Manual
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BMW Z4 E85 E46 Hall Effect Switch Cable Microswitch 8236846
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049000114
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Chrysler Grand Voyager 2.8CRD Diesel 163HP Engine Unit ECU P05094800AC Automatic
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Mercedes-Benz C CLK Class W203 W209 Battery Terminal Fuse Box A2035450301
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Part no. YUASA YBX 3000 71Ah Accumulator
YUASA YBX 3000 12V Accumulator Battery 71Ah 680A YBX3100
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BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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Mini Cooper S R55 R56 LCI R60 N18 1.6 184HP ECU Engine Module 7619333 Automatic
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BMW X3 Series E83 1 Light Control Module Lear LM MAN.LWR 61313420786 3420786
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BMW E81 E82 E87 LCI E88 123d N47S Engine Control Unit ECU DDE 7812502 Manual
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BMW E64 Air Module Control Unit Centre Sensor ECU 6963025
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Tuner Box Mercedes W213 W205 W222 Digital Audio Control DAB ECE A2229005317
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BMW E60 E61 LCI E90 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 + Keys Manual
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Mercedes ML W166 Fuse Box F33 Under Front Seat Right O/S A1665401750
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BMW X3 F25 X4 F26 Radio Head Audio Control Unit USA Model 9208592
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Audi A4 B8 2.0 TDI 143HP CAGA Diesel Engine Control Unit ECU 03L906022JM
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BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
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BMW F10 F11 520d N47N 184HP ECU Kit Unit DDE 8574091 CAS4 Keys Manual
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Skoda Octavia II Engine Bay Fuse Box 1K0937125A
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Part no. A1121536679-1
Mercedes W209 CLK 320 M112.955 218HP Engine ECU Kit A1121536679 + 2 Keys + Lock
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Mercedes-Benz E-Class W211 Sam Unit Module Fuse Box Rear A2115453401
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ICM Control Unit BMW F06 F07 GT F11 F12 F13 SRS Control Module Bag Unit 6882965
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BMW 1 er E82 E88 125i 135i Positive Battery Lead Cable Wiring Petrol 9125032
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
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BMW F20 F30 125d 325d N47S1 Engine Control Unit ECU Kit DDE 8578077 + FEM + Key
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Towing Module BMW F11 Tourning Trailer Towing Control Unit 6856746
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Mini F56 CarPlay Android Head Unit Retrofit NBT MMI Box Control Unit Cables Set
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Part no. 04E907309AF-2
Volkswagen Polo 5 6C 1.2 TSI CJZC 90HP Engine Control ECU Kit 04E907309AF Manual
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BMW F40 G20 G21 G30 G31 Hifi Audio Sound AMP Amplifier Module RAM 5A7DDA2
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Part no. 8582280-6
BMW F20 F21 116d N47N 116HP Engine ECU Kit DDE 8582280 + Key + FEM Automatic
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MINI One 1.6 R50 R52 W10 90HP Engine ECU Kit DME 7545789 + EWS + Key Manual
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BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Automatic
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Mercedes C209 220 CDI M646.966 150HP Engine ECU Kit A6461506479 + Key + Lock
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Mercedes W211 CLS C219 Navigation DVD CD Player Unit Harman Becker A2118705785
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BMW F10 520d ed 163HP N47N Engine Unit ECU Kit DDE 8518477 + Key + CAS4 Manual
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Part no. LION 80Ah Accumulator
LION Calcium Accumulator Battery 80Ah 700A 12V
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Jaguar XJR X300 4.0 Supercharged 320HP Engine Unit ECU Automatic LNA1410TC
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Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME 7640005 CAS3 + Key Automatic
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Audi A4 B9 MMI Multimedia Sat Nav Navigation Control Head Unit 8W2035043G
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Mercedes W639 115 CDI OM646.982 150HP Engine Module ECU Set A6461500791 Manual
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BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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BMW E87 LCI E90 N43 116i 316i 2.0 Engine Unit ECU Kit DME 7621178 CAS3 Keys
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Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9148261
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Volkswagen Golf Mk5 2.0 TSI BWA GTI 200HP Engine Control ECU 1K0907115Q Manual
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BMW F10 F11 520d Diesel N47N 184HP Engine ECU Kit DDE 8513242 CAS4 Key
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Mazda 6 GJ Voltage Converter Control Module Unit ECU GKK167Y60C
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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BMW Z4 E89 Convertible Top Roof Module Control Unit ECU 7206761
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Audi A3 8P Sportback Front Door Left N/S Wire Harness Loom Cable 8P4971030K
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BMW X5 Series E70 CCC Professional Radio CD Player Navigation Unit 9185542
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BMW F10 F20 F30 Control Unit For Fuel Pump Module 7454559
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Mercedes R171 Fuse Box Control Unit SAM Module Relay A1715451401
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Fiat Doblo 2.0 M-jet Diesel 163HP Engine Control Unit Module ECU 51873219 Manual
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BMW 7 Series E65 E66 Telematics Bluetooth Control Unit Module 6945154
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BMW F20 F21 F30 LCI F36 120dX 320dX 420dX B47 190HP Engine ECU Unit DDE 8587952
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BMW E60 LCI E90 325d 525d M57N2 197HP ECU Kit DDE 8509034 CAS3 Key Manual
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Starter Ford Transit MK6 2.2 2.4 TDCi Diesel Engine Starter Motor YC1U11000AG
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Audi Q2 GA Multimedia Multifunction Display Screen 81A919604B
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BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8570935 Manual
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BMW 3 5 Series E60 E90 330d 530d M57N2 Engine DDE Control Unit 7799856 Manual
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VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
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BMW 1 Series E87 ECU Body Control Module H4 Electronic Box 6968039
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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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BMW E82 Footwell Light Module Control Unit ECU PL2 FRM3R Lear 9240525
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Panasonic AEC51012 Fuse Power Relay High Voltage Electrical Control Unit
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Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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BMW F40 F48 Mini F56 Distribution Fuse Box Rear Electric Power Fuse Box 9360501
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8736684
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Ford Transit Connect Body Control Unit Module BCM Fuse Box KT1T15604CCE
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BMW E60 E61 530d Diesel M57N 218HP ECU Engine Control Kit DDE 7793210 Automatic
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BMW 5 6 Series E60 E61 E63 E64 Active Steering Control Unit Module 6768964
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Mercedes W176 Head Unit Radio Media Player Navigation A2469006218
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SONY DAB Bluetooth Stereo Screen Display Multimedia Head Unit XAV-AX3250
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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 .