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. 8K0907364A
AUDI S4 B8 Quattro Dynamic Suspension Electric Damper Control Module 8K0907364A
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BMW E81 E87 LCI E90 N43 118i 318i Petrol ECU Kit DME 7595179 CAS3 + Key
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Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic
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Jaguar XF X250 Diesel Engine Starter Motor 12V DENSO 8X2311001AA
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BMW E87 Footwell Light Module Control Unit NSW PL2 FRM II Lear 9166707
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Audi Q7 4M Gateway Interface Control Unit Module ECU 4KE907468F
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BMW 3 Series E46 Cable Loom Door Rear Left Right N/O/S Wiring Harness 8378338
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Mercedes SLK R172 Airbag Module SRS Control Unit ECU A1729015805
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Alpine CHM-S630 CD Changer Multichanger 6-disc Magazine Cartridge
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BMW F20 F21 F22 F30 F31 F32 Radio Professional CD Player 9281519
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7343935
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BMW E46 Door Cable Convertible Wiring Loom Front Cables 6913092
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Audi A6 C7 BCM Body Comfort Convenience Module Unit ECU 4H0907064CN
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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Mercedes Sprinter W906 Engine Wiring Loom Harness Cable CDI Diesel A6515460161
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Oil Pump Control Audi Q7 4L Volkswagen Touareg 7P Module Unit ECU 7P0927601
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Citroen Relay III Alternator Generator Valeo 9805343480
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Mercedes W212 W221 Rear DVD Entertainment System Video Player Unit A2128703689
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Mercedes Sprinter W906 Door Module Front Right Control Unit A9068203926
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Audi A6 C7 Gateway Convenience Module Unit Body Control ECU 4H0907064FN
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Computer Mercedes W205 X253 W447 Navigation Radio Player Head Unit A2059001722
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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BMW 3 X3 X5 Z4 Series E46 E53 E83 E85 E86 Video Module High 6966615
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BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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Door Module Mercedes Sprinter W906 Front Right O/S Control Unit ECU A9068203526
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Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
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Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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Mini R60 Countryman Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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BMW F10 F11 F30 F32 F33 Side Surround View Camera Control Unit Module 9259358
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Ignition Module Mercedes V177 Electronic Ignition Switch Keyless Control Unit
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BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Porsche Boxster 986 Rear Screen Heating Relay Module 99661511700
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Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Peugeot 308 1.6 HDi Diesel Engine Wiring Cable Loom Harness 9671135480
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Part no. 8K0907063BE
Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907063K
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Audi SQ5 FY Petrol Fuel Pump Relay Control Unit Module ECU 80A906093A
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Part no. TS14E110
Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box H5 3455236
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Nissan Qashqai Diesel Engine Control Unit ECU Module 23710 JD78D 0281014361
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BMW F22 F23 LCI Rear Bumper PDC Cables Wiring Loom Set 79720211
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Mercedes ML W163 Transfer Box Control Unit Module ECU A1635457932
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BMW 3 E91 ECU Body Control Module Junction Box M PL2RR JBBFE IIIR 9264577
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Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D
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Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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BMW E81 E82 E87 E88 E90 E91 Radio Professional CD Player 9242502
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Mercedes W907 Battery Cable Wiring Loom Harness Cabling A9075400500
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Mercedes W246 Air Module Control Unit ECU Module A2469000709
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Mercedes W213 SAM Module Rear Body Comfort Control Unit ECU A2139003208
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Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Audi R8 Gen 1 Engine Starter Motor 4.2 FSI 02Z911023L
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Mercedes Vito W447 W639 Battery Terminal Protection Cap Cover A6395460035
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BMW E90 E91 E92 CCC Navi DVD System Controller 6981569
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Unit Head 3456872
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Peugeot 207 Display Screen Dashboard Multifunction Monitor Unit 9663205580
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BMW Z4 Series E89 ECU Body Control Module H4 Electronic Box 61359329799 9329799
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Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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Mercedes W213 C238 C257 Parking Brake Actuator Motor A0009061004
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BMW F11 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629
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BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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BMW E81 E87 E90 E91 LCI 118d 318d N47 Diesel ECU KIT DDE 8506375 CAS3 + 2 Keys
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Relay Mercedes E200 S124 Petrol M111 Overload Protection Relay A2015403245
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Part no. 7546990-3
BMW E60 E63 E64 530i 630i N52 258HP Engine Control Unit Module ECU DME 7546990
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Part no. 6921593-1
BMW MINI Cooper One R50 R53 1 Wave Radio Cassette Headunit Tape Player 6921593
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Part no. 8614302-4
BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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Part no. 7533270
Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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BMW E87 Light Module ECU PL2 FRMFA 61359128183 9128183 9128223
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Steering Wheel Module BMW X3 G01 X5 G05 G20 G30 Heating Control Unit 7857778
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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BMW F20 LCI F21 F22 Integrated Supply Control Module Unit 8647255
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129001306
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BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
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Seat Ibiza Fuse Box Relay Carrier Holder Bracket Mount Tray 6R0915345E
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Volkswagen VW Phaeton 3D Battery Relay Protection Solenoid Module 3D0919433
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Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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BMW 5 7 Series E60 E61 E65 E66 Front Driver Seat Angle Adjustment Drive 7075948
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
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Audi RS3 8V Front Windscreen Rain Light Solar Sensor Unit 8U0955559C
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7811702 Manual
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Volkswagen Golf SV Audi A3 8Y 1.5 TSI Alternator Generator 04E903024S
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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Mini Cooper S JCW R56 N14 1.6 211HP ECU Kit DME CAS3 Key 7590857 Manual
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Mercedes C219 Gearbox Electronic Control Unit Module A2115406445
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BMW E60 E90 E91 330i 530i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Head Unit BMW F20 F21 F32 F36 LCI Radio Media GPS Sat Navigation Unit 6809244
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Door Module Mercedes C219 Front Door Right O/S Control Unit A2198202026
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Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263
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Part no. 04B903023B
Volkswagen Polo Mk5 Alternator Generator 140A Diesel Engine 04B903023D
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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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 .