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. A2058200526-1
SD Card Reader Mercedes W213 S213 Multimedia USB Port Socket Module A2058200526
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Engine Wiring BMW F80 M3 F82 F83 M4 S55 Loom Module Harness Cable 7848467
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BMW E90 E91 E92 335i N54 306HP Petrol Engine Control Unit DME 7583332 Automatic
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Renault Clio 2 Radio CD Player Stereo Head Unit 8200057681B
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BMW F30 Body Control Module Unit ECU 6824384
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BMW 5 Series E60 E61 Radio M-ASK M-Audio System Controller CD Player 6955348
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BMW 5 6 Series E60 E61 E63 Driver Side Door Airbag Control Unit Module 6945144
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Mini Cooper R55 R56 LCI 1.6 N16 122HP Engine Unit ECU DME 7615981 2 Keys CAS3
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A0024463140 Automatic
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USB SD Card Module Mercedes C205 W213 Multimedia Reader Port Socket A2138200400
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BMW 3 5 X5 Series E39 E46 E53 3.0i M54 Generator Alternator 120A VALEO 7501593
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BMW 5 7 Series F01 F02 F10 F11 Battery Power B+ Distribution Box Rear 9240490
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BMW 5 Series E60 E61 530d M57N 218HP ECU Kit DDE 7796637 + CAS2 + Key Manual
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BMW E90 E91 LCI 318d N47N 143HP ECU Engine Control Unit DDE 8507202 Manual
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Mercedes-Benz E S R Class W211 W221 W251 Replacement Fuse Kit A0005460373
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BMW F32 Harman Head Unit Sat Navi Multimedia Radio CD Player 8718144
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BMW E60 E87 E90 E91 120d 320d 520d M47N2 163HP ECU Kit DDE 7803373 CAS3 + Key
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Telematics Control Unit BMW F20 F21 F23 F30 F31 F32 Module ATM ECE 3G 2447802
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9170717
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BMW E81 E87 E90 E91 PDC Parking Sensor Front Rear Mineralgrau Mineral Gray B39
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BMW X3 F25 Light Module Control Footwell Lightning ECU Unit FRM3 9286157
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Starter Motor Mercedes W205 W213 W238 W447 OM654 Engine Diesel A6549061600
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Audi A6 C6 FL Starter Wiring Battery Alternator Cable Harness Loom 4F2971349F
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Audi TT 8J Yaw Rotary Rate Sensor Speed Cluster Sensor 7H0907655A
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Front Seat Module BMW E87 E90 E91 E92 Control Unit ECU 6926359
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Mercedes W204 Rain Light Sensor A2048203185
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Mercedes W251 R 320 CDI 642.950 224HP Engine ECU Kit A6421506434 Keys Lock
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Basic Navigation Mini Cooper F60 LCI Countryman Satnav Unit Headunit 5A24637
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BMW 1 3 Series E82 E90 E92 Switch Cluster Cruise Control Stalk Unit 6965263
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Wiring Loom Mercedes W639 Vito Cable Door Wiring Cable A6394405209
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BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7568842 CAS3 Key Automatic
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BMW 7 Series E65 E66 735i 745i Petrol N62 Engine Wiring Loom Harness 7520804
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BMW 1 3 5 Series E60 E81 E87 LCI E90 Hands-free Bluetooth Module High MULF2
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Part no. RHD-81C035726
Audi Q2 GA USB Adapter Port Socket Connector 81C035726
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BMW F15 I01 Mini F55 F56 F57 PDC Module Parking Assistant Control Unit 9350707
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Part no. HALFORDS-ADVANCED-AGM-70AH
Halfords Advanced 12V AGM 096 Start Stop Accumulator Battery 70Ah 760A
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Seat Leon Mk3 Headlight Module Left Right N/O/S Headlamp Ballast 7P5941591AD
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BMW E65 Antenna Amplifier Rear Window Antenna 868MHZ 9167132
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Part no. A2469008115
Mercedes W176 W246 Gearbox Transfer Case Control Module Unit ECU A2469008115
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Mini One R55 R56 Petrol N12 1.4 ECU Kit DME 7640004 CAS3 + Key Automatic
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Audi Universal SD Card Map Pilot Navigation Europe 2016 8X0919884J
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BMW X3 G01 ECU Body Control Module Unit 8725623
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Mercedes W205 Adblue Module Exhaust Gas Control Unit ECU BlueTEC SCR A0009006706
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BMW E87 LCI E90 118i 318i Petrol ECU Engine Control Kit N43 DME 7579142 CAS3 Key
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BMW E60 E90 330i 530i N52 258HP ECU Kit DME 7553166 + CAS2 + Key Automatic
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Mercedes Vito W639 Fuse Box Relay Control Unit Electric Module SAM A6399005400
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Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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BMW E60 530i M54 231HP Engine Control ECU Kit DME 7541335 CAS2 Key Automatic
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Part no. 5A25D20
BMW X2 F39 Mini F55 F56 F60 Radio Navigation Head Unit Media DAB 5A25D20
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Part no. A2118200985
Mercedes E-Class W211 S211 Bi-Xenon Headlight Level Control Unit Module ECU
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Mercedes W203 C220CDI OM611.692 116HP Engine Unit ECU Kit A6111537779 Key Lock
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Mercedes W169 W245 Petrol Engine Starter Motor A0061510301
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Mercedes W203 Aerial Antenna Amplifier Module Unit A2038206489
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Part no. 7557395-4
Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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BMW 1 3 5 Series E60 E61 E87 E90 E91 M47N2 M57N2 Starter Motor 7798035
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Mercedes-Benz W216 W221 VST Seat Control Module Front Right Left A2169004400
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Part no. 8475350
BMW F20 F21 LCI 118d Diesel B47 150HP ECU Control Unit Module DDE 8475350 Manual
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Bi-Xenon Headlight BMW F07 F10 F11 Control Unit Module 7304593
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Part no. 8647866
BMW X1 F40 F48 Mini F55 F56 F57 Engine Starter Motor 8647866
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BMW E60 M5 E63 E64 M6 S85 Starter Motor 7835126
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Audi Q5 8R A5 8T Sat Navi Stereo Radio Audio MMI Head Unit CD Player 8T2035666A
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Gateway Control Skoda Seat Volkswagen Audi TT 8J Unit Module 7N0907530AG
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Part no. 6R0937087P
Volkswagen Polo 6R Fuse Box Module Comfort BCM Body Control Unit ECU 6R0937087P
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BMW Varta VRLA / AGM 12V Accumulator Battery 80Ah 800A 7555718
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Part no. 6933875
BMW X5 Series E53 HiFi Audio System DSP Amplifier Module Unit Lear 6933875
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Part no. A2709000900-2
Mercedes W176 A 180 270.910 122HP Blue Efficiency ECU Kit A2709000900 Key Lock
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Part no. A2129008507
Mercedes W212 Front Fuse Box SAM Relay Control Unit Module A2129008507
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Part no. A2129005622-1
Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2129005622
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Part no. A1669000220
Mercedes GLE C292 Coupe Air Control Module Unit Bosch SRS A1669000220
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Part no. 7527610-12
Mini Cooper S R53 W11 170HP Engine ECU Kit DME 7527610 + EWS + 2 Keys Manual
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Part no. 7640005-4
Mini One R55 R56 N12 1.4 95HP Petrol ECU Kit DME 7640005 CAS3 + Key Manual
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Head Unit BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation GPS 9441865
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BMW E90 E91 LCI E92 E93 325i N53 218HP ECU Kit DME CAS3 + Key 7612455 Manual
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Part no. 9215050
BMW E60 E61 E65 E70 X6 E71 Trailer Towing Control Module 9215050
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Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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Mercedes AGM Accumulator Battery 80Ah 800A 12V Varta
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Part no. 6879836
Airbag Module BMW F20 F21 LCI F30 F31 F32 ECU Control Unit Air Bag 6879836
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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BMW X6 Series E71 Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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BMW X5 X6 Series E70 3.0sd E71 35dX M57N2 Engine Wiring Harness DDE Set 7803681
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BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 6846906
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
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Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Mini Cooper SD R55 R56 LCI R60 N47N 143HP Diesel Engine ECU DDE 8519663
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Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Mini F54 Clubman F60 Countryman KaFAS Camera Windscreen Front Unit7943529
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BMW 7 Series E65 Light Control Unit Module DYN.LWR Lear 6922663
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Part no. 7801217-2
BMW X3 E83 3.0d M57N2 218HP ECU Control Unit Kit DME 7801217 + EWS3 + Key Manual
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Part no. A6079001800-3
Mercedes W176 A180 CDI OM607.951 109HP Engine ECU A6079001800 Manual
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Part no. 9257162
GPS Module BMW E81 E87 E90 E91 LCI Combox Telematics Control Unit 9257162
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Part no. 9355462
BMW X5 F15 Bumper PDC Rear Wiring Loom Parking Sensor Cable 9355462
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Part no. A0005454416
Mercedes W204 Automatic Gearbox EGS Control Module Unit ECU A0005454416
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Part no. rhd-7804974
BMW 1 3 Series E81 E87 E90 Wiring Loom Harness Gearbox Diesel N47 7804974
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Part no. 2754241-2
BMW MINI Cooper R55 R56 R57 Engine Computer Mount Support Bracket Holder 2754241
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Junction Box BMW F07 GT Electronics Control Module Unit 9267470
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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 .