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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BMW X5 F15 Wiring Front Right O/S Door Harness Loom 9365780
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Audi Q5 FY Battery Positive Cable Clamp Control Module Terminal 80A915459
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BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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Rain Sensor Mercedes W211 C219 Front Windscreen Control Unit A2118705426
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Audi A4 B9 A5 F5 Q5 FY A6 C8 A7 C8 Alternator Generator Valeo 04L903018A
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Volkswagen Golf Mk7 BCM Body Control Module Unit ECU 5Q0937084S
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Radio MP3 Player Renault Trafic Vauxhall Vivaro Head Unit Bluetooth 281155093R
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME + CAS3 + Key 7600020 Automatic
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BMW F40 F45 X1 F48 Mini F55 F56 Control Unit SAS Module ECU 9505275
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Audi RS4 B8 Front Bumper PDC Wiring Park Assist Sensor Harness 8K0971095G
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Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Alternator BMW F20 F21 F30 F31 LCI F32 F33 F34 Petrol Engine Unit 180A 8645325
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Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Audi A4 B8 3.2 FSI Alternator Generator 06E903016S
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BMW F11 Touring F23 Cabrio DAB Radio Antenna Amplifier Booster Unit 9199850
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Starter Mercedes W177 M282 Petrol Engine Starter Motor A2829062400
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Audi Q7 4L Fuse Relay Box Module Electrical Control Unit 4L1937503
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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Volkswagen Fox 5Z Stereo Radio CD Player MP3 Head Unit 5Z0035152E
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9204526
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio Professional CD Audio Player 9150109
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BMW X5 E53 6-disc CD Changer Control Unit Module With Magazine 6977766
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Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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Jaguar XF X250 3.0 D AJV6D Engine Control Unit ECU 9X2Q12A650PAD Automatic
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Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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BMW E81 E82 E87 LCI E88 N47S 123d 204HP Engine Unit ECU DDE Manual 7811702
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Mini Countryman R60 Fuse Distribution Box PL3 SPEG H7 DC/DC 9809590
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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087R
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Audi A5 8T Front Seat Control Module Unit Left Right N/O/S 8T0959760C
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003100
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Audi A5 8T A4 B8 8K 2.0 TFSI CDNC 211HP Engine ECU Kit 8K2907115P Key + Ignition
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Mercedes Sprinter W906 Radio CD Player Audio Stereo Head Unit A9069000103
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BMW X1 E84 Display Screen Dashboard Navigation Monitor On-Board CID 6,5" 9289583
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Mini F55 LCI N16 Petrol Oil Pump Adapter Solenoid Valve Wiring Harness 8626763
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Mini One R55 R56 N12 1.4 95HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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BMW X3 X5 E53 E83 M57N2 Alternator Generator Diesel Power 150A 7797661
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Mercedes W221 Fuse Box Control Unit SAM Module Relay A2215408745
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BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Audi A5 8T Parking Brake Handbrake Module Control Unit 8K0907801C
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IBS Cable Mini R55 R56 R57 Negative Battery Lead Terminal Wiring Cable 7587465
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Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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BMW X3 E83 Z4 E85 E86 Radio Business CD Player Multimedia Unit 9197127
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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A 7540992
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Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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BMW 5 6 Series E60 E61 E63 E64 Steering Wheel Airbag Wiring Loom Cable Plug
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Audi A4 B9 Front Door Module Control Unit ECU Passenger Side 8W0959592N
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BMW Mini Cooper S 1 R55 R56 R57 N14 1.6 ECU Kit DME CAS 3 Key 7610011 Manual
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Body Control Module Mercedes Sprinter W907 W910 SAM BCM Unit ECU A9079000704
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BMW F20 F30 F31 118d 318d N47N 143HP Engine Unit ECU DDE Kit 8582280 FEM + Key
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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BMW X3 X5 Series E83 E53 Telematics Control Unit Module 9129850
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Part no. 8634124-1
BMW F40 F45 X1 F48 Mini F55 F56 F60 Alternator Generator Denso 120A 8634124
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Mercedes W167 W256 USB Charger Connecting Unit A1678201302
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BMW E90 E91 E92 LCI 335i N55 306HP Engine ECU DME Kit CAS3 + Key 7629130 Manual
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BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE 7812502 + CAS3 + Key Automatic
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Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
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BMW 5 X5 Series E61 E61 LCI E70 Telematics Bluetooth Control Unit Module 9171347
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Part no. A2049069701-2
Mercedes W204 Radio Stereo CD Player Audio Sat Nav Head Unit A2049069701
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Part no. 7P6959542
VW Touareg 7P Steering Wheel Multifunction Control Unit Module 7P6959542
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Part no. 6C1T-10300-CC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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BMW E39 X5 E53 3.0i M54 Alternator Generator 90A 14V Valeo 7501592
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Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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Starter Motor Mercedes W203 W209 W211 W906 Engine Diesel A0051516601
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Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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BMW F20 F21 M135i F30 F31 335i N55 Engine Control Unit ECU 8606776 Automatic
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Mercedes-Benz W202 C208 W208 Parking Sensor Wiring Cable Rear PDC A2085403508
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Mini One R55 R56 LCI N16 1.6 98HP Engine ECU Kit DME 7620987 CAS 3 + Key Manual
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Mercedes-Benz A-Class W169 Airbag System Control Unit Module ECU A1698202185
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Multimedia A2059004433
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BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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BMW F20 F21 F30 F31 Mini F56 Air Conditioning Module A/C Control Unit 9462542
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Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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Mini Cooper D R55 R56 LCI R60 N47N 1.6 112Hp Diesel ECU Kit DDE 8519663 CAS3 Key
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BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
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Mercedes GLE C292 Coupe Front Bumper Wiring Harness A1665405515
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Head Unit BMW F20 F30 LCI F36 CD Player DAB Radio Sat Nav Navigation 6825837
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Mercedes-Benz W168 M166 Engine Wiring Harness Loom Cable A1661500033
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Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Volkswagen Touareg 7L Air Module Control Unit Crash Impact Sensor 7L0959655
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Ford Transit MK7 2.2 TDCI P8FA Diesel Engine Control Unit ECU AC1112A650BC
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Part no. 6823590
BMW F10 Footwell Light Control Unit Module ECU FRM III 6823590
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Part no. 3456987-2
Mini Cooper R56 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Part no. 2C1A12A650EA
Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM II Lear 9197162
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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 .