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 E60 LCI Saloon Light Control Module Unit Lear LM II E6X LWR 9180756
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Alternator BMW F20 F21 F30 F31 F32 N47N Diesel Generator 180A 7823343
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 Lear 9312602
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Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901
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Ford Transit Mk8 Starter Motor Engine Actuator Diesel 2.2 TDCi CC1T-11000-AB
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BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913
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Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819
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PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
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Ford Transit Starter Motor Engine 2033125
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Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
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Mercedes S205 C205 SAM Module Rear Body Comfort Control Unit ECU A2229006014
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BMW 3 Series 3 E90 E90N E91 E91N LCI Wiring Loom Set PDC Rear Set Complete
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BMW 3 Series E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
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Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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BMW E81 E87 LCI Petrol N43 116i 2.0 122HP ECU Kit 7599881 DME CAS3 Key Manual
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Control Unit ECU DDE 8573258 Manual
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BMW 5 Series E60 E61 Front Seat Backrest Adjustment Bosh 0 390 201 999
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Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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Footwell Module BMW E84 Light Control Unit ECU Lear FRM3R PL2 9249080
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BMW 1 Series E82 ECU Footwell Light Module Control Unit PL2 FRMFA 9197161
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Mercedes W221 Head Unit DVD High Line Radio Player Navigation A2218708093
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Relay Mercedes W124 E280 Fuse Box Light Control Relay A1265420332
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Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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CAS2 Module BMW E87 E90 CAS2 ECU Comfort Control Unit 61356964051 6964051
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5"
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Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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Mini F55 F56 Ignition Lock Barrel Key Unit 5A56078
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BMW X3 E83 2.5i 3.0i M54 Wiring Harness Cable Engine Ignition Module 3412247
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Mini Cooper R56 Footwell Light Module ECU LOW EKS Lear PL3 FRM II 3455702
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BMW E84 ECU Body Control Module Junction Box H2 9247472
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Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
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Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004
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Mercedes W210 E200 Kompressor M111.957 163 HP Engine Control Unit ECU Automatic
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CAS2 Module BMW E60 E61 E63 E64 Car Access Control Unit ECU 6965050
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BMW E93 E93N LCI Control Unit Module Passive Go 9147052
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BMW E64 E89 B-pillar Sensor Left N/S 6942101 6945157
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Mini Cooper One R50 R52 R53 Front Loudspeaker Speaker 6801102
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7809001 + CAS3 Key
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BMW 3 Series E90 E91 M3 Wiring Loom Front Door Right Driver's Side 6938211
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8378107
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Mercedes W204 Automatic Gearbox EGS Control Module Unit ECU A0005454516
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BMW 1 3 X1 Series E81 E82 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9329704
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BMW E34 Z4 E85 Base B Terminal Point Engine Compartment 7514342
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BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
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BMW Z4 Series E85 E86 Battery Positive Cable Fuse Box B Base 6924389
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Volkswagen Touran Engine Starter Motor 02M911023N
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Mercedes R171 Navigation Processor Multimedia Control Module Unit A2118701085
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Audi A3 8P PDC Parking Assistance Distance Control Module Unit ECU 8P0919475M
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Mercedes SLK R171 Air Module Bag SRS Control Unit ECU A1718205826
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Part no. 3457528-1
BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Module Mercedes W639 Automatic Transmission Control Module Unit A0325453832
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Mercedes W639 Automatic Gearbox EGS Control Unit Transmission Module A0009001900
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Part no. 3451925
Mini Cooper One R56 High SPEG DC/DC M3 Fuse Distribution Box 3451925
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BMW E85 Roadster Cabrio Safety Information Air Module 6939811
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Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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Audi A7 4G8 ESP Yaw Rate Module Control Unit Sensor ECU 4G0907637H
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Mercedes ML W163 Seat Module Control Unit Front Left Right N/O/S A1635452132
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Mercedes W176 W246 Comfort Module Central Gateway Control Unit VST A1769001101
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CIC Professional Unit BMW F01 F10 Sat Nav Infotainment Radio Player Head 9274569
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BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
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BMW F80 M3 F82 F83 M4 S55 431hp Engine Control Unit ECU DME 8695512 Dual Clutch
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MINI Countryman R60 High SPEG Fuse Distribution Box H7 9803979
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BMW 1 Series E82 E88 Positive Battery Lead Cable Wiring 9205480
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Differential Lock Module BMW F13 M6 F80 M3 Rear Axle Control Unit ECU 8065118
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BMW E60 E87 E90 E91 Hands Free Electronics Charging Module MULF2 9215184
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Mini Cooper S R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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BMW E39 E46 E81 E87 E90 Hands-Free Electronics Charging Module MULF 9133329
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PDC Module BMW G30 G31 G11 X3 G01 Parking Assistant Control Unit 9891698
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Air Suspension Module BMW X5 F15 F85 X6 F16 F86 Regulation Control Unit 6860387
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
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Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW F10 Footwell Light Control Unit Module ECU FRM III 9236461
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BMW 3 Series E91 ECU Body Control Module H4 Electronic Box 61359176886 9176886
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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Mercedes W906 W907 Cut Off Electric Relay Module A0025424019
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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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 .