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. 8578995
BMW F10 520d F20 120d F30 320d N47N 184HP Engine Unit ECU DDE 8578995
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Ford Transit MK6 2.4 TDDI Diesel Engine Control Unit ECU 2C1A12A650EA Manual
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BMW X3 E83 E46 E60 E61 E65 Alternator Generator 150A 7521137
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BMW E90 E91 LCI N47N 320d 184HP ECU Engine Control Unit DDE 8518269 Automatic
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Door Module Mercedes GLC X253 Rear Door Left Control Module A2059000828
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Bluetooth Module BMW E81 E87 E90 MULF Hands free Electronics Charging 6975173
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Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
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Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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Starter Motor Seat Ibiza 6J VW Volkswagen Polo 6R 1.2 Petrol Engine 02T911023S
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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 Citan W415 109 CDI OM607.951 Engine Control Unit ECU 237104376R Manual
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
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Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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PDC Module BMW G30 G31 G11 X3 G01 Parking Assistant Control Unit 9891698
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Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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BMW F20 F21 F30 LCI DENSO 170A Alternator Generator 7605060
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Mini F55 LCI N16 Petrol Oil Pump Adapter Solenoid Valve Wiring Harness 8626763
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V9 Lear 9305712
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BMW F10 F20 F30 F32 Fuel Pump Control Module Unit 7426095
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BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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CD Radio Citroen Relay Peugeot Boxer Audio Player Head Unit 7355333750
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Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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Mini R55 R56 R60 R61 Engine Starter Motor Mitsubishi 7645594
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BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9126314
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Porsche Macan 95B Audi A8 D4 Starter Motor 12V DENSO 95860411300 06M911024
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Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827
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Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
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Mini Cooper R56 Footwell Light Module ECU Control Unit Lear PL3 FRM II 3450980
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126939664 6939664
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Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
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BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Air Module BMW X3 F25 F10 F11 F12 F13 ECU Control ECU Unit 9319492
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Skoda Octavia II Body Control Module Convenience Unit BCM ECU 1K0937087J
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Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
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Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Part no. 7561834-16
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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Mini Cooper R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7579136
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BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3456586
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BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
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BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
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BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Mercedes W212 Air Suspension Control Unit Module ECU A2125406462
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PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
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Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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Bluetooth Control Unit BMW E60 E87 E90 Telematics Module ECU 9224422
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Mercedes W176 A200 BlueEFFICIENCY 270.910 156HP Engine ECU Module A2709002100
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Mini Cooper R56 LCI R60 N16 122HP Engine Control Unit Module ECU DME 8600124
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BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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Head Unit Hyundai H-1 Radio CD Player MP3 AUX RDS Unit 96100-4H920WK
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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Seat Ibiza 6J 1.2 TSI CBZB 105HP Engine Control Module ECU Unit Manual 906070GR
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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 .