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. 9226325
BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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BMW G20 Starter Wiring Battery Alternator Cable Harness Loom 8483814
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Ford Transit MK7 2.4 TDCI T24DD0P Diesel Engine Control Unit ECU AC1112A650BC
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE 7805287 Automatic
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BMW Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME + CAS 3 + Key 7640004
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BMW E61 E65 E66 E67 HKL Bootlid Trunk Lid Control Unit Module
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270385
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BMW E46 Inclination Indicator Alarm Tilt Sensor Control Module 8386932
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Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 3 + Key Manual
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Mercedes W204 C207 W212 E250CDI OM651.924 204HP Engine ECU A6519007500 Automatic
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ECU Unit BMW E81 E82 E87 LCI E88 N47S 123d Engine Module DDE 7811702 Manual
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Control Unit Mercedes W213 W217 Front Right O/S Door Control Module A2139002522
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VW Volkswagen Phaeton 3D Rear Tailgate Boot Lid Control Module Unit 3D0909610B
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Mini Cooper SD R55 R56 LCI R60 N47N 143Hp Diesel ECU Kit DDE 8519663 CAS3 Keys
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Audi A6 C6 FL Xenon Headlight Light Ballast Control Unit 4E0907476
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Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J
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BMW F45 i8 Mini F60 B38 B38X Hybrid Engine Alternator Generator 7649390
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BMW X3 F25 X4 F26 Head Unit Basis Media Navigation System Controller DAB 9399454
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BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Audi Q7 4L 3.0 TDI Automatic Gearbox Module Control Unit ECU Diesel 0C8927750AL
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129001306
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Mini R55 R56 R60 Daytime Running LED Fog Lights Module Set 2348833
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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Mercedes CLK C209 Keyless Go Module ECU Entry Door Control Unit A2098202526
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Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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Mini F56 Active Sound Design Radio Audio Amplifer Control Unit Module 8799259
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Mercedes W253 Display Screen Monitor Radio Sat Nav Navigation Unit A2539003809
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BMW X3 3 Series E83 E46 Battery Cable Plus Pole 6910539
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Adblue Module BMW F10 F11 LCI X5 F15 X6 F16 Control Unit ECU SCR 7436676
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Audi A4 B8 A5 8T Q5 8R Audio Amplifier Sound Module Control Unit 8R0035223H
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Ford Transit Connect Control Unit Central Door Locking Module ECU 9T1T15K600ED
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Mercedes W221 S500 4-Matic M273.968 Engine Control Unit ECU Kit A2731536591 Key
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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BMW F10 F11 Head Unit Basis Media Navigation System Controller Headunit 9226365
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Audi A3 8V Gateway Module Control ECU Unit 5Q0907530M
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BMW E81 E87 LCI E90 E92 120d 320d N47 ECU Control Unit DDE Module 8506438
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BMW F20 F30 F31 LCI 118i 318i B38 ECU Basic DME Control Unit 8663284 Manual
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BMW F11 ECU Body Control Module Junction Box 9252333
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Audi A4 B7 1.8T BZB 163HP Engine Control Unit Module ECU Set 8E0909518AQ
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BMW E93 Audio Radio Sound Amplifier Unit HIFI System Lear 9246187
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Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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Mercedes W221 Parking Aid Sensors Control Unit Module A2215407545
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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 8E0959651B
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Negative Battery Cable Audi A1 8X Volkswagen Polo Mk5 6R Cable 6R0971228S
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Audi Q5 8R Rear Door Control Module Unit ECU Left Right N/O/S 8K0959795G
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Audi A6 C6 Display Screen Multimedia Navigation Dashboard Unit 4F0919603B
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Mercedes W639 OM651.940 136HP Engine Unit Module ECU Kit A6519009302 Key Manual
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BMW E65 E66 Sensor B-pillar Right O/S Air Module Crash Sensor 6970895
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Mercedes W211 W220 Crash Sensor Left Right N/O/S A0025426918
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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Mercedes SLK R171 Door Module Front Right Control Unit ECU A1718207226
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Mercedes W204 Front Fuse Box Relay Module Sam Control A2129005712
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Part no. a4479005517
Mercedes Vito W447 Head Unit Radio DAB Navigation GPS Nav Display A4479005517
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Part no. A9075406960
Fuse Box Mercedes Sprinter W907 Prefuse Box Module F150/1 - MFB-1 A9075406960
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Part no. A2205400031
Mercedes A B S Class W169 W220 W245 Battery Lead Cable Negative A2205400031
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Part no. 8375944
*BMW 3 5 Series E39 E46 Touring GPS Aerial Navigation Antenna Amplifier 8375944
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Part no. 6G9T-14B192-AA-1
Ford Mondeo Transit Relay 4-Pin Black FoMoCo Unit 6G9T-14B192-AA SET X2
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Audi A6 S6 C6 Body Comfort Module Convenience Control Unit 4F0907289J
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Mercedes C140 Gearbox Module Transmission Basic Control Unit A0175450632
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Mercedes C207 Rear Radio Amp Sound Amplifier Audio Getaway Becker A2078205289
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Part no. 9184559
Seat Control Module BMW E60 X5 E70 ECU Seat Unit Controller 9184559
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Part no. 8580307-2
BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8580307 CAS3 Key Automatic
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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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Wiring Mercedes W203 W209 W211 M272 Engine Wiring Module Harness A2721501433
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Mercedes W210 Petrol M112 Automatic Transmission Control Module A0245458432
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BMW E82 E88 E90 LCi Switch Cluster Cruise Control Stalk Unit 9110882
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BMW Mini Cooper R55 LCI PL3 SPEG H5 Fuse Distribution Box 3456855
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Mercedes ML W163 Body Control Module Unit BCM ECU A1635459032
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Mini Cooper One R55 R56 R57 Aerial Roof Antenna Base Unit Rod 3442107
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Mercedes W164 Central Gateway Control Unit Module A1645405662
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7527610 + EWS + Key Manual
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BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + 2 Keys Automatic
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Mercedes-Benz X156 Front Bumper Pressure Crash Impact Sensor A1569056800
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Battery Box BMW G30 G31 Positive Fuse Battery Distribution Terminal Rear 6802943
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Volkswagen VW Golf Mk7 Headlight Cornering Module Control Unit 3D0941329
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Audi A4 B7 1.9 TDI Engine Control Unit Module ECU 03G906016JA Manual Gearbox
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BMW F46 220dX B47 190HP Engine Control Unit Module ECU DDE 8589145 Automatic
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Mercedes-Benz B W245 Parktronic Parking Sensor Wiring Cable Rear PDC A1695407205
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BMW E90 E91 LCI N47N 320d 184HP Engine Control Unit ECU DDE 8510829 Automatic
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Part no. 7641003
Mini Cooper S R55 R56 R57 N14 1.6 174HP ECU Kit DME 7641003 CAS3 + Key Manual
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Part no. 8378766
Door Module BMW E39 Passenger Door Control Module Hella 8378766 6904242
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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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 .