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. 6945154
BMW 7 Series E65 E66 Telematics Bluetooth Control Unit Module 6945154
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Mercedes W176 A200 CDI BE OM651.901 Engine ECU Kit A6519007600 Key + Lock
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BMW F20 F21 F30 LCI F36 120dX 320dX 420dX B47 190HP Engine ECU Unit DDE 8587952
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BMW F20 F30 LCI Harman Head Unit High 2 Media Sat Nav Radio NBT EVO HU 6822066
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Starter Ford Transit MK6 2.2 2.4 TDCi Diesel Engine Starter Motor YC1U11000AG
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BMW E60 LCI E90 E91 325d 525d M57N2 197HP Engine ECU KIT DDE 7805288 CAS3 Key
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Audi Q2 GA Multimedia Multifunction Display Screen 81A919604B
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BMW 5 6 Series E60 E61 Driver's Side Door Airbag Control Unit Module 6948691
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BMW E60 E63 E87 E90 Starter Motor Diesel Engine Actuator RTX 402110362
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Mercedes W164 Gearbox Module Automatic Transmission Control Unit EGS A1645400662
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BMW F20 F30 125d 325d N47S1 218HP Engine Control Unit ECU DDE 8570935 Manual
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Starter Cable Mercedes W205 GLC X253 M274 Electrical Wiring Harness A2535400901
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Mercedes R171 SLK200 M271.944 Engine Control Unit ECU Kit A2710106644 Key Lock
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BMW 3 5 Series E60 E90 330d 530d M57N2 Engine DDE Control Unit 7799856 Manual
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BMW F01 F02 F03 F07 F10 F11 F12 LCI Active Steering Control Unit Module 6854031
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BMW E60 E61 525d M57N 177HP ECU Kit DDE 7802266 + CAS3 + Key Automatic
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VW Volkswagen Caddy Maxi Interior Roof Alarm Sensor Module Unit 2K5951172
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Audi TT FV Mk3 8S Keyless Module Control Unit Comfort Access 3Q0959435D
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VW Volkswagen Tiguan 5N Positive Battery Terminal Cable Lead Wiring 5N0971228
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BMW E81 Footwell Light Module ECU Control Unit PL2 FRM III Lear 9197174
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BMW 1 Series E87 ECU Body Control Module H4 Electronic Box 6968039
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Mercedes ML W164 Audio Stereo Radio CD Player Head Unit A1648705094
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BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Alternator Generator Mercedes R171 W209 M272 Petrol Engine 150A A2721540002
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VW Volkswagen Polo 4 9N Radio CD Player Stereo Audio Head Unit 6Q0035152D
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BMW E82 Footwell Light Module Control Unit ECU PL2 FRM3R Lear 9240525
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BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
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Panasonic AEC51012 Fuse Power Relay High Voltage Electrical Control Unit
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Mercedes SLK R172 Dashboard Screen Multimedia Display Monitor A1729011402
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Audi A4 B9 TDI Diesel Adblue Dosing Module Control Unit 4M0907355B
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Audi A4 B9 Rear Hatch Boot Lid Tailgate Opening Control Module Unit 3G0962243D
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Mercedes-Benz E-Class W210 Diesel Fuse Box Relay Control Unit A0005400372
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Mercedes-Benz A-Class W168 M166 Engine Wiring Harness Loom Cable A1685403706
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Audi TT FV 2.0 TFSI CHHC HV Battery Power Central Distribution Point 8S0915459A
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BMW F30 F31 F32 F34 F36 Amplifier Harman Kardon Surround Sound System 9310500
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Part no. 8506438-3
BMW E81 E87 E90 E92 LCI 120d 320d N47 ECU Control Unit Module DDE 8506438 Manual
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Cable BMW E39 Petrol Engine M52 Alternator Starter Cable Wire B+ 7503505
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Audi TT 8N Automatic Gearbox Module Control Unit ECU 09G927750CA
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BMW F40 F48 Mini F56 Distribution Fuse Box Rear Electric Power Fuse Box 9360501
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BMW X3 E83 PCT Automotive Towing Hitch Towbar Tow Bar Trailer Relay Unit ZR1328B
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BMW X3 E83 Rear Bumper Wiring Loom PDC Harness Parking Sensor
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Part no. 03L903023K-1
Audi A3 8P A4 A5 B8 Q5 Alternator Generator Diesel Electrical Unit 03L903023K
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 8736684
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Alternator Generator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Ford Transit MK7 Fuse Box Body Control Module ECU BCM Unit 8C1T-14A073-CG
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BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Ford Transit Connect Body Control Unit Module BCM Fuse Box KT1T15604CCE
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Part no. rhd-9259899
BMW 1 2 Series F20 F21 F22 F23 Central Information Display Screen 6,5" 9259899
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Part no. 7793210
BMW E60 E61 530d Diesel M57N 218HP ECU Engine Control Kit DDE 7793210 Automatic
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Citroen Relay Peugeot Boxer III Engine Glow Plugs Wiring Harness 9805075680
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Mercedes W212 E220CDI OM651 Engine Unit Module ECU Kit Key Lock A6519005301
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BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Part no. 8517862-4
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8517862 Key CAS4
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Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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BMW E93 LCI ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9298947
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Part no. 6768964
BMW 5 6 Series E60 E61 E63 E64 Active Steering Control Unit Module 6768964
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Part no. 9134855-1
Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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Part no. A2469006218
Mercedes W176 Head Unit Radio Media Player Navigation A2469006218
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Part no. A2219007401
Door Module Mercedes W221 Front Right O/S Control Unit A2219007401
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Part no. 9807168
Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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BMW 3 E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9241005
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Part no. 8P0035193GX
Audi A3 8P Radio Media GPS Sat Navigation Unit 8P0035193GX
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Part no. 7809944-4
BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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Part no. A2038219551-2
Mercedes CL203 Rear Roof Alarm Motion Sensor Control Unit Module A2038219551
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Part no. 6821164
BMW F25 F26 Head Unit Basis Media Navigation System Controller DAB 6821164
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Part no. LION Motorcycle 12Ah Accumulator
LION 12V Motorcycle Accumulator Battery 12Ah EB14B-BS
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Part no. 5G6971829B
Volkswagen Golf CD1 Tailgate Trunk Lid Wiring Harness Rubber Cover 5G6971829B
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Part no. 0AM911023T
Volkswagen Touran 1T 1.4 TSI Petrol Engine Starter Motor 0AM911023T
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Part no. STARLINE-70AH-ACCUMULATOR-1
Starline 12V Accumulator Battery 70Ah 760A
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Audi A6 C7 4G Door Card Harness Loom Cable Wiring Rear Left N/S 4G5971693C
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VW Caddy 1.9 TDI BLS 105HP Engine Control Unit Module ECU 03G906021PD Manual
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Mercedes ML W163 Yaw Rate Sensor Turn Rate Speed Module A1635422318
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Part no. 8V0971228
Audi RS3 8V 2.5 TFSI Quattro Starter Motor Battery Cable Wiring 8V0971228
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Parking Sensor Display Mercedes W176 W204 W246 Dashboard Panel PDC A1725420023
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BCM Module Audi Q7 4L A6 C7 A8 4H Body Control Unit ECU 4L0919475A
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Mercedes-Benz M ML W164 Dashboard Temperature Sensor Harness Wiring A2515405935
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Mercedes ML W164 Diesel Engine Starter Motor A0061516101
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Volkswagen Audi Skoda Relay Unit Module 219 899574000 443951253AA
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VW Volkswagen Crafter 2.0 TDI CKTB Engine Unit Module ECU Manual 03L906012A
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Mercedes-Benz W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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BMW 5 6 E60 E63 LCI Petrol N53 Wiring Loom Harness Engine 7575450
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Safety Module Mercedes W205 Air SRS Control Module Unit A2059008618
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Part no. 7576921
Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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Mercedes-Benz W221 Negative Battery Sensor Minus Terminal Lead Cable A2215420818
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Part no. 9199850
BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
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Mercedes W447 Fuse Box Module Cover Trim Trunk A4475460064
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Part no. 7599881-5
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Part no. A4479007806
Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Part no. A6421503277-1
Mercedes Viano W639 3.0 CDI OM642.990 204HP Engine ECU Kit A6421503277 Automatic
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Part no. rhd-9267324
BMW X3 F25 Wiring Loom Cable Seat Passenger's Side Set Memory 9267324
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Part no. E93 Wiring Loom Set PDC Rear
BMW 3 Series E93 Convertible Cabrio Wiring Loom Set PDC Rear Bumper Set
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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 .