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. 7640755-3
BMW F20 F21 F30 116i 316i N13 136HP ECU Kit DME 7640755 Key + FEM Manual
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Head Unit Mercedes W205 GLC X253 COMAND Multimedia Stereo Unit A2059007721
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Starter Motor Mercedes W163 R170 W210 W901 Diesel Engine Actuator A0051510601
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BMW E90 E91 LCI N47N 320d 184HP ECU Module KIT DDE 8512047 CAS 3 Keys Automatic
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Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Audi A4 B7 Radio Media Player Audio CD Head Unit Player Concert 8E0057185KX
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Peugeot Boxer Citroen Relay 4H03 TMF 130HP Engine Control Module ECU 9691854880
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Mercedes W204 Fuse Box Grouping Fuse Placement Map Card Diagram A2045842982
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Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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Telephone Module BMW F30 X1 F48 X4 F26 Telematics Control ATM ECE 3G 6820722
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Iveco Daily 2.3 Diesel F1AE0481B 116HP Engine Unit Module ECU Manual 504073032
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BMW X5 Z4 E70 E89 HiFi Stereo Audio Sound System Amplifier 9197002
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Mini Cooper S R55 R56 N18 Ignition Injection Valve Wiring Harness 7647197
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BMW 7 E65 E66 Front Bumper PDC Ultrasonic Sensor Schiefergruen Slate Green 449
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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Mercedes W163 ECU Start Engine Control Unit Immobilizer Ring A1635454032
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Door Wiring Renault Master 3 Rear Sliding Cable Harness 241268711R
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AUDI A6 C7 A7 FY Sensor Harness Installation PDC Radar 4G8971085DP
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£BMW E92 E93 330d M57N2 231HP Engine ECU Kit DDE 7805286 + CAS3 + Key Automatic
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Radio CD Player Mercedes W176 W246 COMAND Nav Sat Head Unit A2469000312
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BMW 3 4 F30 F31 F32 F33 1 Central Information Display Screen 6,5" 9322120
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Audi A5 8T 2.0 TFSI CDNB 180HP Engine Control Unit ECU 8K2907115AF Manual
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BMW F30 Harman Becker Amplifier Module Active Sound Control Unit 6838829
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Audi A5 8T Head Unit Radio Player Navigation Control Module 4G0035061H
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Audi A4 B7 Bluetooth Interface Phone Conectivity Control Module 8P0862335H
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Camera Module BMW F01 F07 F10 F11 F12 Based Assist Systems Control Unit 9231399
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BMW F10 F20 F30 Radio Stereo CD Player Head Unit Basis Media Navigation 9357991
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BMW E60 E61 Head Up Display Hud Projector Dash Screen Info 9190872
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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Mercedes W204 Front SAM Module Fuse Box Unit A2049005401
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Part no. 8510829-1
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Keys Manual
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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BMW E90 LCI Footwell Light Module Control Unit ECU FRM3R LED PL2 9249085
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BMW F20 LCI F30 F31 120d 320d B47 Engine ECU Kit DDE 8591073 Manual
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Mini Varta 12V Accumulator Battery 70Ah 760A 7567388
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ERA AGM Start Stop 12V Accumulator Battery 95Ah 810A
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Antenna Mercedes A205 Convertible Telephone Antenna Module A2389058501
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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BMW F30 F32 F36 Telematics Telephone Control Module ATM ECE 3G 2447513
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Dashboard Monitor BMW Z4 E85 Onboard Central Information Display Screen 9169175
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Seat Leon Mk2 1P USB AUX Port Socket Connection Media Adapter 1P0035726A
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Mini Cooper F56 B38 136HP Petrol Engine ECU Kit DME 8691827 BDC + Keys Automatic
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BMW 1 Series E81 E87 Boardmonitor Central Information Display Screen 9145433
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Mini R50 R53 Radio Boost CD Player Head Unit Autoradio Player 4154934
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Part no. 8K0907064KJ
Audi A5 8T Body Control Comfort Unit Module BCM Convenience Unit ECU 8K0907064KJ
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Part no. Snappy High Performance 100Ah Accumulator
Snappy High Performance Accumulator Battery 100Ah 900A
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Mini Cooper One R55 High SPEG DC/DC M3 Fuse Distribution Box 3451925
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Part no. 9842161
Head Unit BMW G20 Navigation Audio Player Controller Module 9842161
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VW Golf Audi A3 8P 2.0 TDI Diesel Engine Starter Motor 02M911024G
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Porsche Macan S 95B-2 Front Door Control Module Unit Driver's Side 4H0959793AC
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Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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BMW F45 Alternator Generator 14V 180A DENSO 8680374
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BMW G20 G21 Door Interior LED Module Connector Light Rear Front 9891438
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BMW F20 LCI 118i B38 136HP ECU Kit DME 8691836 + 2 Keys + FEM + Lock Manual
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BMW F45 i8 X2 F39 Mini Cooper F60 Alternator Generator B38 B38X Engine 7649390
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Mercedes W203 W209 W639 CD 6 Disc Changer With Magazine A2038703389
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049009510
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BMW 5 E60 E61 Front Door Wiring Loom Harness Passenger Side 6966555
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Mini Cooper S R55 R56 LCI R60 N18 1.6 184HP ECU Engine Module 7619333 Manual
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Audi A3 8P Front Seat Occupation Sensor Left Right N/O/S 8P4963553
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BMW E39 X5 E53 Radio Business CD Audio Player Head Unit 6919066
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Mercedes W238 Coupe Convertible Module Control Unit ECU A2059001336
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Part no. 9287535-1
Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
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Footwell Module Mini R57 LCI Light Low EKS ECU PL3 FRM3R Lear 3457426
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Part no. 7559178-9
BMW E60 E90 E91 325i 525i N52 218HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Audio Amplifier Mercedes C118 W177 W247 Radio Sound Burmester Unit A1779000007
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Mercedes W639 109 CDI OM646.980 95HP Engine Unit ECU Kit A6461501177 Key Lock
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BMW X3 Series E83 Wiring Cable Loom Harness Headlining Sky Roof Top 3509161
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BMW 5 Series E60 E61 CCC CD Professional Navigation Controller 6951856
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BMW 7 Series E65 E66 TV Function Video Module Control Unit Tuner 6933867
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Mercedes-Benz W208 Fuse Box Relay Control Unit Electric Module SAM A2085450132
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Part no. 9128184-2
BMW E91 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 9128184
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BMW E60 E61 535d M57N Engine Control ECU Kit DDE 7796678 + CAS2 + Key Automatic
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BMW E93 LCI ECU Body Control Module H3 Junction Box PL2RR JBBFE IIIR 9247474
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Audi Q2 GA RSQ3 F3 Front Camera Module Lane Assist Control Unit 2Q0980653C
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 93455416
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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Mercedes W906 Right O/S Wing Door Mirror Wiring A0008271378
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BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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Mercedes W470 Diesel Engine Starter Motor A4709060300
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BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Mercedes S212 E220CDI OM651.924 170HP Engine Control Unit ECU Kit A6519005301
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Light Control BMW F01 F02 F07 LCE Footwell Module Control Unit Headlight 9345372
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Audi A5 8T 2.0 TDI Gateway Control Module Unit ECU 8R0907468AA
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CD Player Volkswagen Golf Mk5 V Touran Mk1 Radio Head Unit 1K0035195D
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BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Black A6395450003
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Alternator Generator Mercedes W204 W207 Diesel Engine Valeo 150A A0141541102
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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Audi Q3 8U PDC Parking Distance Control Sensor Tornado Grey-X7P 1S0919275D
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Mercedes W213 C238 Tyre Pressure Monitor Sensor Module Unit TPMS ECU A0009002013
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Ford Transit Custom Audio System Radio CD Player JK2T18C815VT
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Part no. 7588620-1
BMW E60 E90 325i 525i N53 218HP ECU Kit Control Unit DME 7588620 CAS3 Key Manual
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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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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 .