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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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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Mercedes Vito W639 OM646 Diesel Engine Wiring Cable Loom Harness A6461501388
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BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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BMW X5 E70 CAS3 Control Unit Key Reading Module 6943838
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Audi A6 C6 Keyless KESSY Entry Amplifier Box Module Aerial Antenna 4F0907247
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Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 9299558
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BMW X5 E70 Navigation System Car Computer CIC DAB X6 E71 9273182
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BMW G30 G31 530dX 540dX Diesel B57 Engine Wiring Harness Supply Line 8590021
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BMW E87 LCI E90 120i 320i N43 170HP ECU Kit Engine DME 7580279 CAS3 Key Manual
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702951
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Mercedes ML W166 Diesel OM642 Engine Automatic Transmission Wiring Harness
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Mini R50 R53 6-Disc CD Changer Multichanger Without Magazine 6983334
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Peugeot 3008 PDC Module Parking Distance Control Unit ECU 9666663780
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7570299
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Ford Fiesta MK7 Battery Box Tray Housing Holder Bracket 8V2110718AB
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Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
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BMW 1 Series E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9224589
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Mercedes W207 Front Bumper PDC Wiring Parking Sensor Loom Harness A2075406010
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BMW E81 E82 E87 E88 E90 E91 Radio Professional CD Player 9242502
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Peugeot 207 CD Player Radio Stereo Audio Head Unit 96639628XT00
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BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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Mercedes W169 W245 M266.920 95HP Engine Control ECU Kit A2661539779 Manual
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BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
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BMW Z4 E85 Rear Bumper Antenna Mounted Aerial Unit FM 6912244
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Audi RS3 8V Potential Power Distribution Junction Box Jump Point 1K0937517
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Audi A3 8V 1.6 TDI CRKB 110HP Engine ECU Kit Ignition + Key 04L907309E Manual
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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BMW E90 E93 325i E60 LCI 525i N53 218HP ECU Kit DME CAS3 + Key 7586940 Automatic
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Audi TT 8J Volkswagen Golf Mk5 Gateway Control Unit Module ECU 1K0907530L
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1699000300
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VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
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Audi RSQ3 F3 2.5 TFSI Quattro 400HP DNWA Engine Unit ECU 07K907309F Automatic
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BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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Audi A4 B7 Aerial Antenna Amplifier Module 8H0035225R
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Mercedes W205 Ignition Control Unit A2139001223
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BMW E81 E87 E90 E91 E92 LCi Parking Control Module Unit PDC 6982391
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BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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BMW E87 E90 E91 E92 Front Power Distribution Fuse Box 6906622
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Alternator Generator Mercedes W204 W212 Diesel Engine Valeo 180A A0009067900
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BMW X3 X5 Z4 E53 E83 E85 6-Disc CD Changer Multichanger With Magazine 6913389
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Renault Master II Alternator Support Bracket Mount 117103703R
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VW Volkswagen Caddy Maxi Fuse Box Control Unit Power Distribution 1KO937125D
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Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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BMW 1 Series E81 LOW Light control footwell module ECU PL2 FRM II 9197154
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Head Unit Mini F55 F56 Navigation Head Unit Radio DAB Media Player 2449488
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Camera Speed Control BMW i3 I01 F10 F20 F30 LCI KaFAS ECU Module Unit 9462613
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Steering Wheel Angle Mercedes C216 W221 Sensor Control Unit Module A2219004003
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Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Audi A1 8X 1.4 TSI CAXA Alternator 03C903023S
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Mercedes-Benz E CLS Class W211 W219 Control Module Bracket Holder A2115452240
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BMW Mini Cooper One R50 R53 R55 R56 R57 Input Cylinder Clutch Control 6758825
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Mercedes Vito W447 Door Module Front Right O/S Control Unit ECU A4479008006
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BMW F20 F21 F30 F31 F32 Radio Professional CD DAB Head Unit 9299268
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Mercedes W205 W213 C253 Battery Cable Negative Lead Wiring Harness A0009058912
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Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Mini R50 Petrol W10 Engine Wiring Loom Harness Automatic Gearbox 7520936
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Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207
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BMW E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9224592
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Volkswagen Golf Mk6 VI Air Module Control Unit ECU 5C0959655B
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Opel Insignia A 2.0 CDTI Diesel Engine Alternator Generator 14V 100A 13502583
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Mini Cooper One R56 High SPEG DC/DC Fuse Distribution Box 3455527
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BMW X3 F25 Starter Motor Diesel Engine 12V Bosch 8506657
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BMW 3 Series E90 E91 E92 E93 Negative Battery Cable Minus Pole IBS 6970685
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Alternator BMW X3 E46 X5 E53 E85 Diesel Generator 150A 7797660
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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Merceedes W211 E280 CDI OM642.920 Engine Control Unit ECU Kit A6421509177 Key
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Alternator Mini Cooper R55 R56 R57 LCI R60 Diesel N47N Generator 158A 7576956
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Renault Trafic Scenic Diesel Starter Motor Mitsubishi 233003248R
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Mercedes W211 Door Module Front Right O/S Control Unit ECU A2118702085
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Audi A4 B6 B7 A1 8X 1.9 TDI 2.0 TDI Engine Alternator Generator 06F903023FX
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BMW 3 5 Series E60 E90 E91 N52 325i 525i ECU Kit DME CAS3 Key 7567178 Automatic
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Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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BMW E46 Touring Positive Battery Cable Plus Pole Lead Loom 6907435
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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BMW 7 E65 E66 Rear Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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Communication Module Mercedes W177 W205 W213 X253 Hermes LTE Unit A2389008601
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Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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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 .