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. 9344050
Radio Player Mini F55 F56 CD Bluetooth DAB Alpine Control Unit Module 9344050
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Negative Cable Mercedes W212 Battery Earth Wiring Loom A2124406207
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Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Mercedes CL203 CLC200 CDI 122HP M646.963 Engine ECU Kit A6461501934 Key Lock
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Mini Navigation Head Unit R55 R56 R57 LCI R60 R61 CHAMP 2 Sat Nav DAB 9283526
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009829608
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BMW E81 Light Module NSW Footwell Module PL2 FRM II 9159813
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Mercedes Sprinter W906 Radio Player CD Audio 10 Stereo Head Unit A9069000004
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BMW E81 E87 LCI N43 116i 1.6 122HP ECU Control Unit Kit DME 7595179 CAS3 + Key
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BMW X3 X5 E53 E83 Four Wheel Drive Transfer Box Control Unit Module 7599883
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BMW X3 X5 E53 E83 Front Seat Adjustment Actuator Drive CRH 1-1968-01
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BMW 1 3 E87 E90 PDC Ultrasonic Sensor Front Rear Jerezschwarz A73 8046453
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BMW X3 X5 E53 E60 E61 E65 E83 Power Steering Speed Sensor 6762235
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BMW X1 E84 Max Brose Footwell Light Module Control Unit ECU Lear FRM PL2 9286887
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048707658
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Part no. 7801710-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7801710
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Fuse Box Mercedes W212 Front Relay Control Unit Electric Module SAM A2129000006
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Part no. 7620985-2
Mini Cooper S R60 ALL4 N18 1.6 184HP Engine Control ECU Unit DME 7620985 Manual
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MINI Cooper R50 Petrol W10 116HP Engine ECU Kit DME 7542310 EWS3 Key Manual
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Part no. 3456421
BMW MINI Roadster R59 Aerial Roof Antenna Base Module 3456421
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Part no. 9291977
Mini Roadster R59 Cabrio Convertible Top Module CVM 61359291977 9291977
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Part no. 9219987
Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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Part no. 9281517-1
BMW 1 2 3 F20 F21 F22 F30 F31 Radio Professional CD Bluetooth Player 9281517
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Part no. 9193110
BMW X5 Series E70 ECU Body Control Module Junction Box PL4 JBBFEII High 9193110
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Part no. 9167198
BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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Part no. 9216337
BMW F20 F21 Amplifier Holder Audio Catch Bracket Trim Panel 9216337
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Part no. 2622892
BMW 1 2 Series F20 F21 F22 F23 Control Unit Module Active Sound Design 2622892
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Part no. 9293305
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V1 REM 9293305
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Part no. 9288769-1
Audio Speaker BMW F20 F21 F23 F30 Mid-Range Sound Speaker Stereo HiFi 9288769
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Part no. A1686100336
Mercedes W168 Battery Support Holder Front Mount Bracket A1686100336
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Part no. 7553735-5
MINI R50 R52 One 1.6i 90HP Engine ECU Kit DME 7553735 + Key + EWS Manual
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Part no. 6927929
Control Unit BMW E60 E61 E63 E64 CAS2 ECU Module 6927929
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Part no. A1685400230
Battery Starter Wiring Mercedes W168 Harness Cable Positive A1685400230
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Part no. 6989163
BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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Part no. 9187541-2
BMW E93 ECU Body Control Module H3 Junction Box 9187541
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Part no. 9343259
B+ Distribution Box BMW X3 F25 Battery Power Red Rear Control Unit 9206140
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Part no. A6399005400
Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Part no. 7394649
BMW F01 F02 F03 F10 LCI X3 F25 Control Unit Rear Function Module 7327886
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Part no. 7807828-2
BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
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Part no. 6856874
BMW F10 F11 F12 ECU ICM Control Unit Module 6856874
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Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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BMW X3 E83 Radio Navigation System CID Control Unit CD Player 6943441
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Part no. 7553735-1
Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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Part no. 8512047-1
BMW E90 E91 LCI 320d N47N 184HP ECU KIT DDE + CAS3 + Key 8512047 Manual
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Part no. 7527610-6
MINI R50 One 1.6 W10 90HP Engine ECU Kit DME + EWS + Key 7527610 Automatic
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Part no. 3456952
MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Part no. 9252636
BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
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Part no. A1695454332
Mercedes-Benz A B Class W169 W245 Sam Control Module Fuse Box Unit A1695454332
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Part no. A9066200131
Mercedes-Benz Sprinter W906 Battery Tray Housing Box Case A9066200131
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Part no. 9302358
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9253082
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Part no. A2465410100
Mercedes W176 W246 Battery Cover Accumulator Trim Panel Lid A2465410100
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Part no. A9065451640
Mercedes-Benz Sprinter W906 Fuse Box Unit Holder Bracket Frame A9065451640
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Part no. 9313930
Light Module BMW F10 LCI Control Footwell Lightning ECU Unit FRM3 9313930
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Part no. 9202152-1
BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
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Part no. A2129006905
Mercedes W212 Comand Radio Head Unit CD DVD Player A2129006905
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Part no. 2622584
Telephone Control Module BMW F30 F32 F36 Telematics Bluetooth ATM ECE 4G 2622584
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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Part no. 9325884
Door Cable BMW F36 Front Right O/S Wiring Loom Harness 9325884
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Wiring Harness Mercedes Vito W639 Boot Tailgate License Plate Lamp A6394401613
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Yaw Sensor Mercedes W210 W220 ESP Rotation Rate Control Unit Module A0015429018
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Part no. 8705960
Navigation Headunit BMW F20 F21 F30 F31 LCI Radio Sat Nav Unit 8705960
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Part no. 6820696
BMW F30 F31 F32 Control Unit Module Active Sound Design 6820696
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BMW 1 3 5 Series F10 F20 F30 VDC Rear M Sport Suspension Control Unit Module
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Part no. 2622598
BMW F20 F21 F23 F30 F31 F32 Telematics Control Unit Module ATM ECE 4G 2622598
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Part no. 9350995
BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Part no. A6395450301-1
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 9225099
Battery Cable BMW X3 F25 Red Positive Plus Pole Blow Off 9225099
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Part no. 7559178-2
BMW E60 525i E90 E91 325i N52 Engine ECU Kit DME 7559178 CAS2 + Key Automatic
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Part no. A6461536579
Mercedes-Benz W203 W210 Sprinter W906 Glow Plug Relay A6461536579
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Part no. A9066880008
Mercedes W906 Cover Footwell Fuse Box Trim OBD Grey A9066880008
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Part no. A2129003908
Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Part no. A2129006417
Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
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Part no. 6798937
BMW F11 Touring Air Suspension Control Unit ECU Rear Axle Module 6798937
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Part no. A0009052702
Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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Part no. 7836163
BMW E60 E61 LCI M5 E63 M6 Generator Oil Pump Cable Harness Wiring
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Part no. 7834495
BMW E60 E61N LCI E63 E64 M5 M6 S85 Idle Control Device Unit 7834495
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Part no. 7834160
BMW E60 M5 E63 E64 M6 S85 Alternator Generator 170A 7834160
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Part no. 9874338-1
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 9399427
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Part no. 9237539
BMW 1 2 Series 1 F20 F21 F22 Central Information Display Screen 6,5" 9237539
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Part no. 7834713
BMW E60 E61N LCI E63 M5 M6 Control Unit For Ionic Current 7834713
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Part no. 7802928
BMW E60 E90 Alternator Generator 150A 335d 525d 530d 535d M57N2 7800308
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Part no. 7811701-4
BMW E87 LCI E90 118d 318d Diesel N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key
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BMW X5 E70 Footwell ECU Light Control Module Xenon FRM II Lear 9170453
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BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Mercedes W204 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2045401706
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Part no. 9227500-1
BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. 7646814
BMW F10 F20 LCI F30 B47 Diesel Alternator Generator Denso 210A 7646814
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Part no. 9214243
BMW F10 F11 Battery B+ Engine Compartment Terminal Point 9214243
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Part no. 9232534
BMW F10 F11 Front Bumper PDC Wiring Loom Cable Harness 9232534
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Part no. A2125402705
Mercedes W212 Rear Suspension Level Sensor Wiring Loom Cable Harness A2125402705
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Part no. A2049005201
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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Part no. A2035454501
Mercedes W203 Fuse Box SAM Control Unit Module Relay A2035454501
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Part no. A2125406462
Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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Part no. 6977767-1
Mini Cooper R50 R52 R53 6-Disc CD Changer Unit Module With Magazine 6977767
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Part no. P0445683
BMW 1 3 Series E81 E87 E90 E91 E92 Amplifier Sound Audio System Alpine 0445683
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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 .