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 F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Audi A4 B7 2.0 TDI Starter Motor Engine Diesel 03G911023A
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit DME + CAS3 + Key 8652746 Manual
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BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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Mini Cooper One R50 R52 R53 W10 1.6 Petrol Engine Starter Motor 4542789
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Mercedes W207 Connection Media Interface Cable AUX Wire A0018276604
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Tailgate Lift Module BMW G20 G30 G12 Rear Boot Trunk Lid Control ECU 5A19DB2
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Mercedes-Benz C CLK W202 W208 Right O/S Parking System Warning Display Screen
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Audi Q7 4L Front Seat Memory Control Module Unit ECU Left Right N/O/S 4F0959760D
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Mercedes R350 V251 Head Unit Radio Player Navigation Media Bluetooth A2519005200
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Ford Transit Connect 1.6 TDCI Engine Control ECU Module Manual DV6112A650CEC
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Starter BMW E60 M57 Engine Starter Motor 7794952 0986021230
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU DDE 7805585 Automatic
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BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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Mercedes C253 Body Control Module Temic A2539005906
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Body Control Unit BMW E46 Z8 E52 E83 Module GM5 Star12 LIN High 6963338
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BMW E87 E90 118i 318i N46 129HP ECU DME 7552176 Manual Transmission
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Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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BMW E90 Light Module ECU 61359128183 9128183 9128223 PL2FRMFA
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BMW 3 X3 X5 Series E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU Kit A6519000700 Key Lock
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BMW Z4 Series E85 Hifi System Amplifier Speaker System Unit 6929689
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Nissan Qashqai Diesel Engine Starter Motor Actuator Starter 23300JG70A
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit Module ECU AC11-12A650-BA
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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Mini Cooper One R56 Alternator Generator Bosch 150A 7553009
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Starter Motor Mercedes W213 C238 C253 M274 Petrol Engine Actuator Denso DSN1205
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Seat Ateca Door Module Control Unit Front Passenger's Side Door 5Q4959592K
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BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 6983843
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BMW E92 LCI Body Control Module ECU Junction Box L1 PL2RR JBBFE IIIR 9229872
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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Parking Sensor Wiring Mercedes W177 W247 Rear Bumper PDC Loom Cable A1775405710
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BMW F06 Electric Wiring Cable Loom Harness 9269983
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BMW F01 LCI Seat Module Front Seat Control Module Unit Temic 9354277
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Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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Volkswagen Golf Mk5 V Body Control Comfort Unit Module 1K0959433AJ
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Fuse Box Peugeot 207 308 Battery Terminal Control Unit Module 9636079380
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Audi A3 8Y A4 B9 A6 C8 Alternator Bracket Mount Holder 2.0 TDI 05L903143
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BMW 5 7 E60 E61 E65 M57N M57N2 Compact Alternator Generator Valeo 170A 7802929
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BMW F30 F31 320iX N20 184HP Engine Control Unit ECU DME 8606777 Automatic
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Mercedes Sprinter W907 Battery Power Distributor Current Limiter A9079060100
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Mercedes W204 C180 156HP Kompressor M271.910 Engine ECU A2711504279 Manual
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BMW E87 LCI Footwell Light Control Unit Module ECU Lear FRM3R PL2 9249080
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BMW E88 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9240524
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BMW E60 E60N E63 E63N Body Control Module ECU Control Unit 9168833
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AUDI A7 4G8 Parking Assist Sensors Distance Control Module 4H0919475N
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Audi A5 8T Gateway Control Module Unit ECU 8T0907468F
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Generator Valeo A6461541102
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BMW E60 E90 E91 N52 325i 525i 218HP ECU Kit DME 7567178 CAS3 + Key Automatic
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9282286
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Head Unit BMW F10 F20 F30 Basis Media Navigation Headunit 9357991
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6944499
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Mercedes C118 W177 W247 Body Control Module BCM V2 A2479001506
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Mini R52 R53 Petrol W11 Compact Alternator Generator 7515030
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Ford Transit Battery Relay Module Control Unit 12V 8C1T-10B728-AC
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BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6973115
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Seat Module Mercedes W203 W211 Control Unit Front Left Right N/O/S A2118704085
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BMW Mini Cooper S R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 2 Keys 7610011 Manual
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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Renault Trafic III Vauxhall Vivaro B Relay 4-Pin Blue Electrical Unit 252300973R
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Mercedes-Benz E W210 Estate CDI Gearbox Control Module Unit ECU A0305454932
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K
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BMW E87 LCI E90 116i 316i 1.6 Petrol N43 122HP ECU Kit DME CAS3 Key 7579142
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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Audi A5 F5 Sat Navi MMI Multimedia Radio SD Reader Head Unit Harman 8W5035035C
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Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Key + Lock
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Mini One R56 N12 1.4 95HP Engine Control Unit Module ECU DME 7600020 Automatic
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Audi A7 4G8 Westfalia Towing Hitch Module Control Unit 506737
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Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D
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Mini R58 R59 Wiring Set Loom Harness PDC Rear Bumper 9283673
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Part no. 9284973
Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Audi S3 8P 2.0 TFSI BHZ 265HP Engine Control Module ECU 8P0907115H Manual
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Mini R60 Cooper SD N47N 2.0 143HP Engine ECU Kit DDE 8583423 CAS3 Key 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 .