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 X3 X5 E39 E46 E53 E83 Mini R50 R52 Control Unit Control Unit EWS3 6905668
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BMW X1 E84 X5 E70 X6 E71 Z4 E89 CAS3 Control Unit Key Reading Module ECU 9227106
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Dodge Journey 1 Radio CD Player Audio Head Unit 05064952AC
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Mini Cooper One R55 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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BMW F20 F30 F32 LCI 120i 320i 420i Petrol B48 184HP ECU DME Unit 8740343 Manual
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BMW X6 E71 Rear Trunk Battery Cover Tray Storage Box 6981050
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Mercedes W205 Door Module Front Left N/S Control Unit ECU A2059001311
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Audi Q5 R8 3.0 TDI CGQB Seat Heater Control Module Unit 8R0907333
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BMW Z4 E85 2.5i M54 192HP ECU Engine Control Kit DME 7533651 + EWS3 + Key Manual
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Audi A4 S4 B8 Q5 8R Front Left Door N/S Control Unit Module ECU 8K0959793P
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Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2038703594
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Headlight Module BMW F01 F02 LCI Xenon Headlamp Control Unit Lear TMS 7316218
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9065403527
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Mercedes W205 W212 W246 Parking Distance Sensor Set x2 Cavansite Blue - 890
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BMW Mini Clubman R55 LCI Cable Wiring Loom Splitdoor Door Rear Left N/S 9224424
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Mercedes A207 Automatic Gearbox Transmission Control Module ECU A0009009400
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Telematics Module BMW F90 M5 Telephone Control Unit ATM ECE R1 9858556
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BMW F23 F30 F32 220i 320i 420i N20 184HP Engine Module ECU DME 8664661 Automatic
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Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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Mercedes W213 C238 Air Suspension Valve Block Control Unit Module A0993200258
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BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
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BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP Engine ECU Kit DDE 8506570 Automatic
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Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine Control ECU 04L907309AB Manual
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BMW X5 F15 Battery Management Electronics Module Unit 7536513
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Mini Clubman F54 Battery Cable Negative Terminal Wiring 9117832
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Mini Cooper R58 Fuse Distribution Box PL3 SPEG H8 DC/DC 3457168
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BMW X1 E84 Wiring Harness Loom Cable Door Front Right O/S 9191419
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VW Volkswagen Golf 6 Seat Altea 5P1 Gateway Control Unit Module ECU 7N0907530R
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Mercedes W203 C180 Kompressor M271.946 Engine Unit ECU Kit A2719000600 Key Lock
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Renault Master 3 Vauxhall Movano B Display Screen Navigation Monitor 280563352R
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Mini F55 BDC FCC BSI Fuse Box Power Distribution Control Module Unit ECU 5A402E9
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6CIT-10300-BC
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Citroen Berlingo Peugeot Partner Radio CD MP3 Player Head Unit 9666393777
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 6819195
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BMW E84 LCI Body Comfort Control Module Unit CCM BCM 9247476
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Audi A4 B9 Door Module Rear Left Right N/O/S Control Unit Module ECU 4M0959795N
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BMW 6 Series E63 Driver Side Seat Wiring Loom Electric Harness 9142453
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BMW E60 E90 E92 335i 535i N54 306HP Petrol Engine Control Unit ECU DME 7573863
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Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
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Mazda 6 Mk3 GJ Bluetooth Module Control Unit ECU GHP966DH0F K2352
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Ford Transit Mk7 2.2 TDCI P8FA 85HP Engine Control ECU Kit AC11-12A650-BC Manual
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Mercedes W203 Electrical Wiring Cable Connection Media Interface A2128270026
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Mini Cooper S R56 LCI N18 184HP ECU Kit Control DME 7613226 CAS3 Key Automatic
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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BMW 3 Series E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9153779
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VW Amarok Mk2 Automatic Gearbox Transmission Control Module Unit MP3P-14F106-AA
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BMW E93 Max Brose Footwell Light Module Control Unit FRM3R PL2 Lear 9263803
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Ford Transit Mk8 2.0 Diesel Fuse Box Power Distribution Relay KK3T-14D068-JE
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Mercedes-Benz A-Class W168 AKS Automatic Clutch System Module Actuator Unit
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Mercedes W176 A180 CDI BlueEFFICIENCY OM651.901 Engine Module ECU A6519007600
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Audi TT FV Front Driver Side Door Wiring Loom Harness 8S0971029C
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Audi Q3 F3 Front Bonnet Hood Center Lock Bowden Cable 83A823531
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BMW F20 F21 LCI 118i B38 136HP Engine Control Unit ECU DME 9895416 Automatic
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Battery Pipe Mercedes W205 W213 C238 W257 W290 Hose Line Tube A2383400800
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Positive Cable Mercedes W906 OM651 Battery Starter Alternator Plus A9064402341
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BMW F20 F21 F30 118d 318d N47N 143HP ECU Kit DDE 8573258 + Key + FEM Manual
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Radar Sensor Mercedes W177 W205 W247 Front Distronic Module Unit A0009056613
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Ford Transit Connect Mk2 II Fuse Box Battery Terminal Unit Module AV6T14A067BC
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Navigation Head Unit BMW E60 E61 CCC CD Professional Sat Nav Controller 9117559
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BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Steering Column Switch BMW E81 E87 E91 LCI Cluster Cruise Control Stalk 9169758
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Mercedes CL 203 Automatic Gearbox Control Unit Module ECU A0015453916
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Mercedes W221 Head Unit Radio Player Media Navigation DVD Changer A2218702686
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BMW Z4 Series E89 Roadster 23i N52N 204HP ECU Kit DME CAS3 Key 7609656 Automatic
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BMW E90 E91 E92 E93 325i N53 218HP Engine Unit ECU Kit DME 7576719 CAS3 Key
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Audi A3 8P Air Bag Module Control Unit ECU SRS Module Unit 8K0959655S
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Renault Trafic II Control Unit Body Control Module BCM ECU 8200814467
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Control Unit VW Volkswagen Polo 6C 6R Air Module Unit ECU SRS Bosch 6C0959655
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Mercedes SLK200 R171 271.944 163HP Engine ECU Kit Key Lock A2711534691 Automatic
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Mercedes Sprinter W901 OM602 Engine Control Unit ECU Module A0215455632 Manual
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Volkswagen Golf Mk7 Gateway Control Unit Module 5Q0907530L
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Mini Cooper One R56 High SPEG H1 Fuse Distribution Box 3450435
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Ford Mondeo MK4 Diesel Glow Plug Relay Control Unit Module 9M5Q12A343AA
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Audi A5 8T 3.0 TDI CLAB 204HP Engine ECU Kit Ignition + Key 8K5907311 Automatic
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Audi A3 S3 RS3 8Y Light LED Module Control Unit 8Y0947355H
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BMW 3 Series F30 Driver Side Front Right O/S Door Cable Harness Wiring 9260003
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Mercedes W205 Hybrid Battery Charging Control Unit A0009001108
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Audi Q7 4L 3.0 TDI Quattro Engine Control Unit Module ECU 4L1910401H Automatic
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
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BMW E87 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9292703
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Mercedes A209 Telephone Adapter Module Control Unit ECU Bluetooth B67876168
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BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618445
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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 .