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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Part no. 7555361-4
BMW E60 E90 E91 N52 325i 525i 218HP Engine Control Unit ECU DME 7555361 Automatic
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BMW F10 F20 F30 Head Unit Basis Media Navigation Headunit 8791692
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BMW X5 Series E53 Radio BMW Business Cassette Player 6918871
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Mercedes Vito W639 Airbag SRS Module Control Unit ECU Air Bag A0009010201
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Display Screen Mercedes W213 C238 Instrument Cluster Speedo Meter A2135408492
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BMW E81 E87 E90 E91 E92 LCI Parking Control Module Unit PDC 6973114
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Mercedes R231 Radio Stereo Sat Nav Display Screen Head Unit A2319002001
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BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986
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Mini Cooper R57 R58 R60 R61 Amplifier Control Unit Hifi Harman Kardon 9260949
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BMW E46 Z4 E85 M54 Automatic Gearbox ECU Control Module EGS 7522980
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Relay Mercedes W163 W169 W203 W210 Relay Unit 5-Pin Yellow Tyco A0025421419
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Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Mercedes SLK R171 Roof Module Convertible Folding Top Control Unit A1719000000
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BMW i3 I01 LIM Module Hybrid Electric Control Unit 9494498
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BMW F10 F11 X3 F25 F30 LCI Mini F60 Tailgate Smart Opener Control Module 7932682
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Mini F54 F55 F56 F57 F60 Petrol B36 B38 B46 B48 Engine Starter Motor 7645979
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Mini R50 R52 R53 Radio Boost CD Player Head Unit Audio Control 6927904
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BMW 5 7 X5 Series E53 E60 E61 E65 E66 Handset Phone Mobile EVEREST 6953468
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Audi TT 8J Audio Amplifier Radio Lear Sound Unit 8J0035223B
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BMW F20 M135i F30 335i N55 326HP Engine Control Unit ECU DME 7540686 Automatic
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Mercedes Vito W447 Fuse Relay Box Module A4475405931
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Mercedes ML W164 Passenger Side Control Unit Module Fuse Box SAM A1649004101
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9266385
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Volkswagen Touareg PDC Parking Sensor Control Unit Module 7L0919283F
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Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Mercedes W169 W245 CD Player Radio Audio Head Unit A1698207589
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Part no. 7806987-5
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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BMW 1 Series E81 E87 LCI Positive Battery Lead Distribution Box Cable Rear
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Audi A4 B8 2.0 TDI Alternator Generator 150A Diesel Engine Unit 03G903016F
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Mercedes CL203 Rear Roof Alarm Motion Sensor Cover Trim Black A2038219551
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Mercedes ML W164 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1644400937
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BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9384214
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BMW 5 X3 Series E60 E61 E83 Front PDC Parking Distance Sensor Orientblau Blue
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Part no. 6965406
Hands Free Control BMW E81 E87 E90 Electronics Charging Module MULF 6965406
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BMW 1 3 Series E87 E90 120i 320i N46 Engine Wiring Loom Harness 7549261 7549271
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Part no. 7648190
Mini Cooper S R55 R56 LCI R60 N18 1.6 184HP ECU Engine Module DME 7648190 Manual
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Part no. 7586940-1
BMW E90 E93 325i E60 LCI 525i N53 218HP ECU Kit DME CAS3 + Key 7586940 Automatic
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Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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ECS Electonics CAN Bus Trailer Module 12V 5F010V0306
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Mercedes W211 Sam Unit Module Fuse Box Relay Box Front A2115453801
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BMW F10 F11 LCI 520d B47 190HP Engine ECU Kit DDE 8591073 CAS4 Key Automatic
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BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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BMW 7 Series E65 E66 E67 CD Audio System Controller Player 6977634
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Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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Control Unit RDC BMW F10 F01 X3 F25 Tyre Pressure Monitor Module 6864952
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Mercedes-Benz W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Mercedes Vito W639 109 CDI OM646.983 88HP Engine Module ECU Kit A6461532691 Key
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Volkswagen Golf Mk7 Headlight Cornering Module Control Unit 3D0941329E
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Part no. 9273629-1
BMW 5 Series F10 Footwell Light Module ECU Control Unit FRM III TEMIC 9273629
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6952986
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Mercedes Sprinter W906 Positive Battery Terminal Cover Cap Trim Red A9069820109
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Mercedes Vito W639 Coolant Radiator Fan Relay Control Module A0035421919
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Part no. 8506438-2
BMW E81 E87 LCI E90 E91 120d 320d N47 ECU KIT DDE 8506438 CAS 3 Key Automatic
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Mini Cooper R56 Footwell Light Module ECU Control Unit Lear PL3 FRM II 3450980
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CD Player BMW F20 F21 Radio Audio Professional Stereo Head Unit 9272369
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Part no. 7620987-1
Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Key Manual
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Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
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VW Volkswagen Polo 6R PDC Parking Sensor Control Unit Module 6R0919475C
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Mercedes W205 Tyre Pressure Control Module Unit A0009003713
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Part no. 8P0035195P
Audi A3 8P CD Player Radio Stereo Head Unit 8P0035195P
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Part no. A1695451940-1
Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Part no. 9231321-1
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9231321
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Part no. 6827072-2
Mini Cooper One R56 Footwell Light Module High EKS ECU PL3 FRM3R 6827072
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Mercedes W176 Starter Motor 12V Bosch M270 Petrol Engine A2709060700
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BMW E81 E87 Boardmonitor Central Information Display Screen Control Unit 9166279
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Part no. 6919270-2
Mini Cooper One R50 Radio Remote Alarm Key Fob Button 433 MHz 6919270
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BMW 1 Series E88 Footwell Light Module Control Unit ECU Lear FRM3R PL2 9263794
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Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
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Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Part no. 6943089
BMW 5 Series E60 E61 E63 Airbag ECU Control Unit Gateway Module 6943089
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Part no. 8642761
Integrated Supply Module BMW F40 X1 F48 Mini F55 F56 Control Unit Z11 8642761
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Part no. 7527610-11
MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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Part no. 6759412
BMW E85 DSC Speed Accelerator Sensor Cluster Module Unit 6759412
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BMW 7 Series F01 F02 PDC Ultrasonic Sensor Carbonschwarz Carbon Black 416
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BMW X3 E83 2.0d 150HP M47N2 Diesel Engine Control Unit ECU DDE 7801216 Manual
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BMW 5 Series E60 E61 Airbag ECU Control Unit Gateway Module 6938930
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BMW E90 E91 LCI N47N 320d 184HP ECU Module KIT DDE 8512047 CAS 3 Keys Automatic
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BMW F30 Harman Becker Amplifier Module Active Sound Control Unit 6838829
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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BMW F30 F32 F36 Telematics Telephone Control Module ATM ECE 3G 2447513
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BMW 6 Series E63 Headlight Control Module LM E6X LWR 6935362
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BMW E81 E87 LCI E90 116i 316i 1.6 N43 ECU Kit DME 7583225 CAS3 Key Manual
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Part no. 7542310-7
Mini Cooper R50 W10 Petrol Engine Control Unit Module ECU DME 7542310 Manual
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BMW X3 E83 Air Module Control Unit ECU 3452166
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Power Supply Module BMW G11 G30 G31 High Voltage Battery Terminal Point 9339824
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Mercedes C209 W211 CLS C219 Steering Wheel Module Control Unit A0365457032
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Part no. RHD-8T2035652G-1
Audi A5 8T A4 B8 Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035652G
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Part no. 7557395-1
Mini Cooper S R52 R53 W11 170HP Engine ECU Kit DME 7557395 EWS Key Manual
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Part no. A0055422118
Yaw Sensor Mercedes R171 W203 W209 ESP Rotation Rate Unit Module A0055422118
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Part no. 9247383
Air Module Control BMW X3 F25 F12 F13 Air Module Unit ECU9247383
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Part no. 9259823
BMW 3 Series E92 E92 LCI Wiring Set Door Co-driver Passenger
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Radio Head Unit Mercedes W212 Comand Navi CD Player Control Unit A2129008409
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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 .