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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ECU Unit BMW E81 E82 E87 LCI E88 N47S 123d Engine Module DDE 7811702 Manual
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Mercedes Sprinter W907 Alternator Generator Engine Diesel 250A 14V A0009068302
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BMW E65 E66 Navigation Sat Nav GPS System DVD Player 6948983
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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Automatic
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Audi A4 B8 Body Control Unit Basic Module BCM 8K0907063
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VW Volkswagen Golf 1K 5D Front Door Wiring Loom Harness Left N/S 1K0971121CN
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BMW Z4 E89 Body Control Module H3 Junction Box ECU 9229880
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VW Volkswagen Golf 5 Radio CD Player Stereo Head Unit 1K0035186AD
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Mercedes W211 W219 Navigation Reader DVD CD Player Control Unit A2118705226
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Audi Q2 GA 3.0 TDI DTTC Diesel Engine Alternator Generator 05L903026B
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Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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BMW E81 E82 E87 E88 E90 E91 E92 E93 Radio Professional CD 9144776
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Ford Transit Mk6 Starter Motor Engine Actuator Diesel 2.4 TDCi YC1U-11000-AF
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BMW X5 E70 Footwell Light Module Control Unit ECU VDM PL4 FRM II Lear 9176826
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VW Volkswagen Sharan 7N Rear Left Right Door ECU Module Control Unit 7N0959794G
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BMW X5 Series E53 Rear Bumper PDC Cables Set Wiring Loom Harness 6906347
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Audi A5 8T Audio Amplifier Sound Booster Control Unit Module Unit 8T0035223S
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BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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Audi A7 4G A4 B8 A6 C7 Q5 8R Sat Navi Stereo Radio Audio Unit Player 4G0035061J
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Engine Wiring BMW F10 F11 520d N47N Loom Cable Harness Injector Module 8513814
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BMW 3 5 X5 Series E46 E39 E53 M57 3.0d DDE 7789376 Engine Control Unit Module
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Mini Cooper One R50 DME Petrol Engine Control Unit ECU 7514587 Manual
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Volkswagen Touareg Transporter 2.5 TDI Alternator Generator 14V 180A 070903024B
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Mercedes Sprinter W906 Fuse Box Relay Control Unit Module A9065454301
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Radio Professional BMW E81 E82 E87 E88 E90 E91 E92 E93 Autoradio CD 9231928
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Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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Audi A6 C6 Battery Negative Terminal Cable Wiring Wire 8K0915181C
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BMW X3 F25 Central Gateway Module Control Unit Lear ZGW-02 MID 9266411
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Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
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Mercedes W164 Diesel OM642 Engine Wiring Loom Harness Cable A6421500856
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BMW E46 X3 E83 Diesel Auxiliary Heating Electric Flow Heater 9145439
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BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
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BMW E60 E90 E91 E92 LCI 335D 535d M57N2 Engine ECU KIT DDE 7809955 + CAS3 + Key
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BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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Ford Transit MK6 2.4 Diesel Engine Alternator Generator 4461712
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Gearbox Module BMW E38 E39 Automatic Transmission Basic Control Unit EGS 1422768
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BMW F20 F21 F22 F30 F32 LCI B47 Diesel Starter Motor Engine 8570846
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Mercedes W221 Telephone Bluetooth Control Module A2218708685
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Audi A3 8V Module BCM Body Control Unit Module ECU 5Q0937084AA
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Audi S8 D3 Petrol BSM 5.2 FSI Fuel Pump Control Module 4E0906093B
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Mercedes-Benz Sprinter W906 Front Left N/S Door Wiring Loom Harness A9060005999
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BMW E60 Body Control Module ECU Control Unit KBM Basis 6978713
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Bluetooth Module Mercedes W247 W447 Multimedia Control Unit ECU A2479009412
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Audi Q5 FY Gateway Control Module Unit ECU 8W5907468F
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Mercedes SLK R171 Rear Bumper PDC Wiring Parking Sensor Loom Harness A1715400506
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Part no. 7610011
BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Ford Transit MK7 2.2 TDCI Diesel Engine Control Unit ECU Manual CC1112A650AC
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BMW F30 F36 G11 Telematics Module Bluetooth Telematik Control Unit ECU 6809300
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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BMW Z4 Series E85 Emergency Release Folding Top 7123023
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Mini Cooper D R55 R56 LCI N47N 1.6 112HP Diesel ECU Kit DDE 8519663 CAS3 Keys
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Peugeot 308 Citroen C3 C4 1.6 HDI Diesel Engine Alternator Generator 9665617780
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BMW F20 F21 114i N13 102HP Engine Unit ECU Kit DME 7640755 Key FEM Lock Manual
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Mercedes W221 S500 OM273 Fuse Relay Box Module Housing Cover A2215400224
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Audi Seat Skoda Volkswagen 1.2 TSI Petrol Starter Motor 0AH911023G
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Mini Cooper R55 R56 R57 Cable Wiring Set HiFi Electrical System 9211323
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Parktronic Module Mercedes W221 W216 Parking Sensor Control Unit A2219009202
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Engine Wiring Mini R55 R56 N12 Loom Harness Injection Valve Ignition 7585946
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Audi A4 B7 Aerial Antenna Amplifier Module Left N/S 8H0035225S
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Audi A4 B7 Audio Radio Aerial Amplifier Control Unit Harman Becker 8E9035223D
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Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B
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Audi A4 B7 Door Harness Loom Cable Wiring Rear 8E1971687L
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BMW 1 Series E87 ECU Body Control Module PL2 JBBFE 61356955004 6955004
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BMW X3 F25 N47N Diesel Engine Wiring Loom Harness Cable 8513414
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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Mercedes W203 C220 CDI 646.963 150HP Engine ECU Kit A6461500091 + Key + Lock
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459G
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Mercedes W221 Cover Fuse Box Case Trim Panel Lid A2215401682
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Mercedes W207 W212 Head Unit Sat Nav Navigation Display Screen
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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Audi A5 8T Alternator Generator Rack Mount Bracket 04L903141B
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 Automatic
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BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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Audi TT 8J 2.0 TFSI CESA Petrol Engine Starter Motor 02E911023S
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Mercedes W212 Fuel Pump Module Control Unit A2129000306
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BMW F87 LCI M2 Competition S55 411HP Engine Control Unit ECU DME 9798427
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BMW 5 6 X3 X5 Series E53 E60 E61 E63 E83 Cigarette Lighter Socket 6973036
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BMW F20 F21 LCI Wiring Loom Harness Rear Trunk Lid Right O/S 9251725
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Mercedes Vito W639 OM651.940 136HP 113 CDI Engine ECU Kit A6511501879 Keys+Lock
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Ford Transit Engine Control Unit ECU 4VFB Module 2.2 TDCi CC11-12A650-AB
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Engine Wiring Mercedes W204 W212 M271 Petrol Harness Loom Cable A2711504233
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Mercedes W211 CLS C219 Body Control Module BCM Temic A2115458432
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Mercedes W205 Air System Control Unit Module ECU A2059001814
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Part no. 7610011-5
Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7610011 Manual
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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 .