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. 7613226-4
Mini R60 ALL4 N18 184HP Control Unit ECU DME Kit 7613226 + Key + CAS3, Manual
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BMW X6 71 Amplifier HiFi Stereo System Sound 9312471
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BMW 5 SERIES E60 E61 LCI 520d N47 Engine Wiring Loom Harness DDE Manual 7807198
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Mercedes X117 CLA 45 AMG 4-Matic M133.980 Engine Control ECU Kit A2709002100
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Volkswagen Polo 6R BCM Body Comfort Control Module Unit ECU 6R0937085B
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BMW X3 E83 X5 E53 E38 E39 E46 EWS 3 Central Lock Immobilizer Module ECU 8382453
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BMW 1 3 5 6 Series E60 E63 E81 E87 E90 E91 Housing E-Box Fan Blower Motor
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BMW E60 E61 E63 Control Unit Gateway Module ECU 6975686
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Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Fuse Box Mercedes W211 CLS C219 Front SAM Control Unit Module A2115457701
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ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Audi A6 A8 Q7 CAN Bus Jumper Contact Bridge Connector 4E0941817
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Audi A3 8Y A4 B9 A6 C8 Alternator Bracket Mount Holder 2.0 TDI 05L903143
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Manual
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BMW Z4 Series E85 M54 Wiring Loom Harness Engine Ignition Module 7537281
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BMW X5 Series E53 Light Check Module Control Unit ECU Lear LCM III 6905875
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Part no. 7571510-3
BMW Z4 E86 Coupe 3.0si N52 265HP ECU Kit DME 7571510 EWS + Key Manual
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Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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BMW F10 F20 F30 F31 Mini F55 F56 Seat Heating Module Control Unit ECU 7490465
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Mini R52 Cabrio Convertible Folding Top Roof CVM Module Control Unit 7199998
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Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Mercedes Sprinter W906 Radio Stereo Audio Head Unit A9068201589
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Mercedes W164 W212 Alarm Sensor Warning Buzzer Module Unit A1648220230
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Part no. 079903015P
Audi A7 S7 4G 4.0 TFSI Petrol Engine Alternator Generator 079903015P
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Mercedes-Benz C-Class W203 Fuse Box Control Unit Module SAM A2035452901
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Audi Volkswagen Seat Skoda Engine Alternator Generator 2.0 TDI CAGA 06F903023P
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Part no. 4L0959651
Audi A5 Q7 A6 Front Crash Impact Sensor Control Unit 4L0959651
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Part no. A1648200385
Mercedes ML W164 Front Door Module Left N/S Control Unit ECU A1648200385
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Part no. 7545046-3
BMW 1 3 Series E87 E90 N45 116i 316i Petrol ECU Kit DME CAS 2 2 Keys 7545046
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Part no. 9120798
BMW 5 Series E60 E61 LCI Right/Left Rear Door Wiring Loom 9120798 N/O/S
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Part no. 2K0035279C
Volkswagen Tiguan 5N Sat Navi Stereo Radio Audio Head Unit CD Player 2K0035279C
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Part no. 7810909-1
Mini Cooper D R55 R56 Diesel W16 1.6 ECU Kit DDE 7810909 CAS3 + 2 Keys Manual
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Part no. 8510643-1
BMW F10 F11 530d N57 245HP Engine Control ECU Kit Module DDE 8510643 CAS4 Key
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Part no. 3WA959354
Audi Q2 GA Impact Crash Control Sensor Module ECU 3WA959354
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Part no. 05E903026K
Volkswagen Golf Mk8 Audi Q2 GA A3 8V 8Y 1.5 TSI Alternator 14V 140A 05E903026K
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Part no. 9131782
BMW E91 Touring ECU Body Control Module H4 PL2 61359131782 9131782
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Volkswagen LT 35 Door Module Central Locking System Module Unit 2D0959800
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Audi Q3 8U Air Module Crash Impact Sensor Control Unit 8U0959651
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Body Control Unit BMW F01 F10 F11 F12 Module ZGW-01 High Central Gateway 9213187
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Radio Player Mini F55 F56 CD Bluetooth DAB Alpine Control Unit Module 9344050
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Part no. 7799854-1
BMW 1 3 Series E87 E90 M47N2 118d 318d 122HP ECU KIT DDE + CAS2 + Key 7799854
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Mercedes Sprinter W906 OM651.955 163HP Engine Unit Module ECU A6519003403 Manual
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Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 3Q0907530AA
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Part no. 7798179-3
BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7798179 CAS2 + Keys
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Part no. 9325537
BMW 5 Series F10 Electric Parking Brake Module Cable Wiring Loom 9325537
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Part no. A9075404687
Mercedes W907 Battery Cable Alternator Wiring Loom Harness Cabling A9075404687
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Part no. 6943157
BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6943157
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Part no. 6975173
Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
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Part no. 9267421-2
BMW E84 ECU Body Control Module Junction Box PL2RR JBBFE IIIR 9267421
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Part no. 2153319
Audio Amplifier Mini R55 R56 Alpine Hi-Fi System Amplifier Booster 2153319
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Part no. 7580279-2
BMW E87 LCI E90 E92 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 + Key Manual
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BMW E91 LCI ECU Body Control Module H4 PL2 JBBFE Junction Box 9187544
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Part no. 6985748
BMW 5 Series E60 E61 Centre Console Switch Centre DTC PDC 6985748
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Part no. A2129004222-1
Mercedes W207 A207 SAM Control Unit Module Fuse Box Rear A2129004222
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Part no. 8T0959760
Audi A5 8T Seat Module Control Unit ECU Front Left Right N/O/S 8T0959760
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BMW Z4 E85 Petrol M54 Wiring Loom Harness Engine Automatic Gerabox
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Seat Ateca FR 2.0 TDI Engine Alternator Generator Valeo 14V 140A 04L903021D
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Part no. 8643126
BMW F06 F12 F13 M6 F10 M5 S63N 560HP Engine Control Module 8643126 Automatic
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BMW E88 ECU Body Control Module H3 Junction Box 9177985
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Part no. 6824108
BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
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Part no. 9278746
BMW X5 E70 CAS3 Key Reading Module Unit Control ECU 9278746
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Part no. 6976384
BMW X5 E70 Power Distribution Fuse Box Front Control Unit Module 6976384
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Part no. 8729433
Amplifier BMW F82 F87 F80 F83 Active Sound Design Control Unit 8729433
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Part no. 9241005
BMW 3 Series E90 LCI Footwell Light Control Module LCM LED Basis 9241005
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Part no. 8385232
PDC Module BMW E39 Parking Assist Distance Control Module PDC 8385232
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Part no. 6801076
Front Subwoofer BMW F90 M5 G11 G30 Central Right O/S Bass Speaker HiFi 6801076
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Part no. A4709060300
Mercedes W470 Diesel Engine Starter Motor A4709060300
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Part no. 6841420
AdBlue Adapter Cable BMW F30 F31 F36 Lead Wiring Harness Loom 6841420
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Part no. 9665580680
Alternator Citroen Berlingo Peugeot Partner Diesel 1.6 Hdi Alternator 9665580680
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Part no. A1645400072
Mercedes ML W164 Front Fuse Box SAM Relay Control Unit Module A1645400072
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Audi A4 B7 Body Control Module BCM Comfort Control Unit Power Supply 8E0907279N
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BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9110887
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Part no. 3451924
BMW Mini Cooper R56 High SPEG PL3 DC/DC M2 Fuse Distribution Box 3451924
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Part no. 361004A000
Hyundai H-1 2.5 D4CB Engine Starter Motor 361004A000
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Part no. A9064461442
Mercedes Sprinter W906 ECU Control Unit Sensor Module A9064461442
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Part no. 8P0907063G
Audi A3 8P Body Control Module Unit 8P0907063G
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Part no. 5H4971162MP
Volkswagen Golf CD1 Front Door Right O/S Loom Wiring Cable Harness 5H4971162MP
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Mercedes-Benz C ML W203 C209 W163 6 CD Changer Magazine Cartridge A0028206289
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Audi A3 S3 RS3 8Y Online Service Control Module Unit 8Y0035282B
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Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
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BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU Engine Control DDE 8510829 Manual
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BMW MINI Cooper One R50 R53 1 Wave Radio Cassette Headunit Tape Player 6921593
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Audi A1 8X Central Gateway Control Unit Module Relay Supply ECU 8X0907063R
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Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F
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Audi A3 8V Gateway Diagnostics Interface Control Module 3Q0907530AC
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Mercedes W211 Automatic Gearbox Transmission Module Control Unit ECU A0355454232
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Part no. V23134-J52-X207
Relay Black 12V V23134J52X207 V23134-J52-X207
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Fuse Box Mercedes W212 Battery Terminal Control Unit Module A2125400450
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Part no. 9219987
Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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Part no. 6983843
BMW E60 E61 E63 M-ASK M-Audio System Controller CD Player 6983843
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Mercedes W212 Rear Suspension Shock Left N/S Sensor Wiring Cable A2125402605
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Part no. A9069006001
CD Radio Mercedes W639 W906 Audio Stereo Head Unit A9069006001
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Part no. 8517016-1
BMW X5 E70 LCI 40dX N57S 306HP Engine ECU Kit DDE 7810980 CAS3 + Key Automatic
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Part no. 6912824
BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Part no. 8361584
BMW 5 Series E39 6-disc CD Changer Without Magazine 8361584
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BMW F20 F21 F30 F31 Rear Body Control Unit Module REM 9329703
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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 .