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 W204 W212 Fuse Box Relay Control Unit Electric SAM Module A2129009705
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Audi A4 B8 Bluetooth Multimedia Interface Control Module Unit ECU 8T0862335B
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BMW E82 E88 Cabrio 125i N52N 218HP ECU Kit DME 7587164 CAS3 Key Manual
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Mercedes ML W164 PDC Module Parking Distance Control Unit Sensor A1645450216
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Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9348362
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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Audi A4 B7 2.0 TDI Diesel Engine Control Unit ECU Module Manual 03G906016JD
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519003203 Manual
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BMW X5 Series E53 M57 3.0d Diesel Engine Starter Motor 2247391
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
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BMW 5 Series E60 Diversity Antenna Amplifier TV 868 MHz 6988058 6931721
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6R0971537F
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BMW 7 Series E65 E66 Dynamic Drive Power Steering Pump 6760070
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BMW E90 E91 E92 Professional CCC Navigation System Controller 9159041
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BMW X3 E83 LCI M47N2 2.0d 150HP ECU Engine Control Unit DDE 7803373 Manual
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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BMW G11 G30 G31 X4 F26 Telematics Module Bluetooth Control Unit ECU 2447787
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BMW 7 Series E65 E66 Dashboard Control Display Screen 8,8" 6960096 6967626
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Mercedes W169 Front Bumper Parking Distance Sensor Parktronic Kosmos Black 191
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 9181326
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Engine Alternator BMW F20 F21 F30 LCI Generator Lucas 170A N13 Petrol 7605060
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Mercedes SLK R172 W212 Rear Fuse Box SAM Relay Control Unit Module A2129004830
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BMW Z4 F20 F30 E89 Petrol Alternator Generator 170A 7605478
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Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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Footwell Light Module Mini R60 Unit Low EKS ECU PL3 FRM3R 3456587
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
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Parking Sensor PDC BMW X5 E53 Front Cover Control Primed 8408383
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Mini Cooper R56 N12 1.6 120HP Petrol ECU Kit DME 7640005 CAS3 + Key Automatic
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Mini Cooper One R50 R52 R53 Ignition Coil Pack and Leads Set 2122435
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Audi A6 C6 Comfort Body Module Fuse Relay Box Control Unit 4F0907289J
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6C0971235A
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600020 CAS3 Key Manual
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Mini F55 LCI N16 Petrol Oil Pump Adapter Solenoid Valve Wiring Harness 8626763
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BMW X5 E53 Automatic Gearbox Basic Control Unit Module EGS 7544721
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Audi Q7 4L Quattro S Line Keyless Entry Antenna Control Module 4L0907335
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Mercedes W212 E220CDI OM651.924 Engine ECU Kit Key Lock Ignition A6519005301
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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BMW F32 F36 F80 F82 M4 LCI Headlight Indicator Light LED Module Left N/S 7493231
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Audi Q7 4L On Board Onboard Supply Module Control Unit ECU 4F0907280B
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Mercedes W204 Petrol Engine M271 Engine Wiring Harnes A2711505533
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Automatic
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Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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BMW F15 F16 F31 F36 Module Control Unit Trunk Lid Rear Tailgate Lift 7384722
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BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Automatic
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Mercedes ML W164 Front Left Control Unit Module Door A1648203785
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Skoda Octavia II BKD 2.0 TDI Starter Motor 02E911023L
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Starter Motor Mercedes W639 W906 Diesel Engine A0009062302 0986024530
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BMW 5 6 Series E60 E61 E63 M-ASK M-Audio System Controller CD Player 6965046
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Ford Transit Connect Starter Motor Engine Actuator Diesel 1.8 2T14-11000-BA
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Mercedes ML W166 Head Unit Radio Player Sat Nav Tel SD Card Unit A1669009808
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Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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BMW 3 Series E90 E91 LCI N47N 320ed 320d ed ECU KIT DDE CAS 3 Key 8512291 Manual
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Ford Transit Custom MK8 Body Control Module Unit BCM ECU BK2T14B476AU
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BMW 1 3 Series E81 E87 E90 E91 E92 E93 Parking Control Module Unit PDC
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Starter Motor Audi Q3 8U Volkswagen Passat B7 Engine Starter Actuator 02E911024C
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Crash Impact Sensor Mercedes C118 W177 W205 W247 Acceleration Unit A0009057802
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3 x BMW E88 E89 E93 Convertible Cabrio DWA Alarm System Module 6989713
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BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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BMW E87 LCI E90 118d 318d Diesel N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7492035
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Engine Alternator BMW E60 E61 E65 E66 Diesel Alternator Generator 170A 7789981
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Engine Wiring Mercedes W176 W246 Diesel OM607 Loom Harness Cable A6071500233
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Antenna Wiring Mercedes W211 Rear End Antenna Wiring Harnes A2114409906
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BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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Mercedes W176 A180 CDI OM607.951 BE 109HP Engine ECU A6079002200 Manual
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Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Mercedes C118 C205 C253 Automatic Gearbox Control Unit Module ECU A0009008324
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Mini Cooper R50 R52 R53 Front Loudspeaker Loud Speaker 6956165 9143271
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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Mercedes-Benz C M Class W163 W203 ESP Yaw Rotation Rate Sensor A0025428918
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MINI Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Automatic
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BMW 5 6 Series E60 E61 E63 E64 Control Unit CAS 2 Module 6943851
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Renault Trafic II 2.0 DCI Master III 2.3 DCI Alternator Plate Cover 231769503R
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CAS2 Module BMW E87 E90 CAS2 ECU Comfort Control Unit 61356964051 6964051
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BMW 5 7 Series E60 E61 E65 E66 Front Left Seat Angle Adjustment Drive 7075947
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Volkswagen Polo 6R Engine Wiring Loom Harness 03E971612AD
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Part no. 8570848
Mini Cooper One D F54 F55 F56 F57 Engine Starter Motor Diesel Bosch 8570848
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BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox
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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 .