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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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D
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Mercedes Vito W639 OM646.980 111 CDI 116HP Engine ECU Module A6461500400 Manual
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BMW F12 Aerial Amplifier AMP Antenna Supression Filter Module 9227217
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Suspension Control Module BMW X5 F15 F20 F30 VDC Unit 6868873
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Alternator Mercedes W204 W207 OM651 14V 150A Engine Start/Stop A0009060401
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Mercedes W164 ML320 CDI 4-Matic OM642.920 Engine ECU Kit A6421506100 Key Lock
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 6944963
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Ford Transit Mk4 Starter Motor Engine Actuator Diesel 92VB-11000-BA
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Yaw Sensor Audi A4 B8 A5 8T ESP Rotation Rate Unit Module 8K0907637D
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Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 6,5" 9231321
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Audi A3 8P Body Control Comfort Unit Module BCM Unit ECU 8P0907063N
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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Opel Combo Corsa Display Screen Dashboard Multifunction Monitor Unit 009164455
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Audi A1 8X Mulitmedia MMI Player Audio Stereo Radio Head Unit 8XA035192C
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BMW E93 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Unit DDE 7823973 Manual
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Mercedes W203 C240 M112.912 170HP Engine Control Module Unit ECU A1121535479
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Mini R56 LCI One 55kW N16 1.6 75HP Engine ECU Kit DME 8617050 CAS 3 + Key
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BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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BMW X5 X6 E70 E71 Rear Differential Control Module Unit QMV 7595847
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Alternator Mercedes W212 W447 X253 C238 Petrol M274 150A Bosch A0009060922
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Mercedes-Benz Vito Viano W639 Engine Control Unit Module ECU A6111534979 Manual
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BMW G20 Reverse Rear View Camera 5A63731
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9185536
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BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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Audi A3 8P CCM Covenience Control Module Unit Relay Board ECU HELLA 8P0959433F
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BMW F20 F21 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8630125 Manual
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Audi Q3 S Line BCM Body Control Module Unit ECU 8X0907063AF
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Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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Volkswagen Golf Mk5 1.9 TDI 105HP BXE Engine ECU Kit 03G906021KH Ignition + Key
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Mercedes W176 W246 A180 B180 BlueEFFICIENCY 270.910 122HP Engine ECU A2709002100
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BMW 3 X3 X5 Series E46 E53 E83 Towing Hitch Trailer Hook Module Control Unit
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Mercedes C118 W177 W247 Three Phase Alternator A0009062609
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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AdBlue Module Mercedes W166 Diesel OM642 Exhaust Gas Cleaning Unit A6429007201
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter A0001139065
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SRC Module Mercedes W205 Front Air Module SRS Control Unit ECU A2059009727
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BMW X3 E83 PDC Parking Ultrasonic Sensor Angled Schwarz
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Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Audi A5 8T 3.0 TDI CCWA 240HP Engine ECU Kit 8K0907401 Ignition + Key Automatic
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MINI Cabrio R52 R53 Battery Cable Lead Positive Plus Pole Wiring 6942507
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Mini R55 R56 R57 Halogen Headlights Control Unit Module ECE 0420295
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Audi A5 8T Coupe Driver's Door Module Control Unit 8K0959793A
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BMW Z4 E85 Positive Battery Clamp Fuse Box Cable Wiring 6958138
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BMW 1 Series E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9224599
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BMW X1 E84 Footwell Light Module Control Unit ECU PL2 FRM3R 9263797
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BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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BMW Z4 E85 Roadster 2.5i N52 177HP ECU Kit DME 7571510 EWS + Key Manual
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Audi A5 8F Convertible Folding Roof Module Control Unit 8F0959255
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Mercedes-Benz W169 W245 CD Player Radio Audio Head Unit A1698204789
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Air Module Mercedes Vito W639 Sprinter W906 Control Unit ECU Sensor A9064461542
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Mercedes W176 W242 W246 Alternator Generator Bosch M270 Petrol A0009061903
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Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Starter Motor Renault Trafic II Opel Vivaro A Diesel 2.5 dCi 8200106788
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BMW 3 5 Series Mini Cooper E60 E93 R56 R60 IBS Negative Battery Lead 6938568
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Mercedes W164 Door Module Front Right O/S Control Unit Module A1648207826
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Audi A4 B8 2.0 TDI Diesel CAHA 170HP Engine ECU Kit Ignition + Key 03L906022MK
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Mini Cooper S F55 F56 Petrol B46C B48C Engine Wiring Cable Loom Harness 8678958
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Mini Cooper One R56 Footwell Light Module High ECU PL3 FRM II 3448901
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Audi A8L 4H Voltage Converter Stabilizer Control Module Unit ECU 8K0959663C
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BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
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Audi A4 B8 A5 8T Parking Module Electric Brake Control Unit 8K0907801H
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Fuse Box Mini Cooper R57 Cabrio High SPEG PL3 DC/DC H4 Distribution 3457579
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Ford Transit MK7 Positive Battery Management System Unit Module CC1T-10C652-AC
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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BMW E61 LCI Body Gateway Module KGM HIGH 27 D-Can LEAR 9197317
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6977759
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Volkswagen Golf Mk7 VII Engine Starter Motor Assembly Unit 0AM911023J
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MULF2 Module BMW E60 E87 E90 E91 Hands-Free Electronics Charging Unit 9226711
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Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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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 .