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. 6990098
BMW X3 E83 LCi AMPLIFIER HIFI SYSTEM LEAR PL2 6990098 65126990098
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Mini Cooper One R55 R56 R57 Engine Alternator Generator Petrol 120A
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Mini Cooper One R50 R52 Alternator Generator 100A Petrol 7523897
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REM Module BMW F20 F21 F30 F31 F32 Body Control Unit 9298960
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Mercedes W205 W213 Fuse Box Rear SAM Module Electrical Unit A2139068801
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Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
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BMW F10 Central Gateway Module ECU Control Unit LEAR ZGW-02 4SK 9291450
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Battery Cable BMW X5 X6 E70 E71 IBS Negative Battery Lead Cable 9164357
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Part no. 9234437
BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
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Part no. 6983305
BMW E87 Body Control Module Unit L2 ECU 6983305 61356983305
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Mercedes Vito W639 Door Front Left N/S Control Unit Module ECU A6398201026
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BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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BMW E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6982397
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Part no. 6920182
BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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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. 7180427
Fuel Pump Module BMW E60 E81 E87 E90 E91 LCI Control Unit ECU 7180427
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Part no. 6939655
BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
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Part no. 9176882
BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882
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Part no. 7071669
Mini Cooper R50 R52 R53 Outer Weatherstrip Strip Door Chrome Left N/S 7071669
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Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
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Part no. 6929760
Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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Part no. 6989082-TS
BMW X3 E60 E83 Front PDC Parking Distance Sensor Titansilber Silver 6989082
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Part no. A6421540402
Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
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Part no. 8366646
BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
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Part no. A6511505520
Engine Wiring Mercedes W906 OM651.955 Euro 5 Cable Loom Harness A6511505520
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Part no. 9184191
BMW X1 E82 E84 E88 E90 E91 E92 LCI Battery Cable Plus Pole 9184191
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Part no. 8P0953549K
Audi A3 8P Steering Angle Steering Wheel Column Control Module ECU 8P0953549K
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Part no. A6399002900
Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399002900
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Part no. 3455701
Mini R56 Footwell Light Module Control Unit ECU PL3 FRM II High EKS 3455701
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Part no. 8R0919604A
Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Part no. 7169960
BMW E60 E63 E87 E90 Control Unit Sensor Fuel Pump ECU 7169960
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Part no. 6846905
BMW 1 2 Series F20 F21 F23 LCI Top Hifi Audio Amplifier Harman Kardon 9307293
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Part no. 9177985
BMW E88 ECU Body Control Module H3 Junction Box 9177985
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Part no. 9138179
BMW E61 E63 X5 E70 Telematics Bluetooth Control Unit Module 9138179
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Part no. A2128702751
Control Panel Mercedes W212 Comand Navi CD Switch Push-Button A2128702751
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Part no. A2468200526
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
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Part no. 3455528
Mini Cooper One R56 High PL3 SPEG H5 DC/DC Fuse Distribution Box 3455528
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Part no. 06F903023F
Volkswagen Golf 5 Audi A3 8P 1.9 2.0 TDI Engine Alternator Generator 06F903023F
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Part no. 9224592-1
BMW E87 LCI Footwell Light Module Control Unit PL2 FRM3R 9224592
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Part no. A1698204185
Mercedes A B Class W169 W245 Airbag System Control Unit Module ECU A1698204185
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Part no. 9161931
BMW E46 E83 Basic Body Control Unit Module GM5 Star12 9161931
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Part no. 6962296
BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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Part no. 6764018
BMW Z4 E85 MINI Cooper One R50 R52 R53 Speed Sensor
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Part no. 9226347
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
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Part no. 9173686
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. 6988104-1
BMW E39 E46 X5 E53 X3 E83 EWS IV Control Unit Modul 6988104
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Part no. 9246502
BMW E87 E90 LCI Car Radio Professional CD Radio Head Unit Bluetooth 9246502
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Part no. 7550997
Mini Cooper One R50 R52 Alternator Generator 110A Benzin 7550997 7559223
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Part no. 7808257
BMW E90 E91 LCI F10 Wiring Harness Engine Glow Module N57 7808257
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Part no. 6962678
BMW E81 E87 E91 Switch Cluster Steering Column Wiper Stalk 6962678
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Part no. 8K0907063DH
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063DH
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Part no. 6963338
Body Control Unit BMW E46 Z8 E52 E83 Module GM5 Star12 LIN High 6963338
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Part no. 7595179
BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual
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Part no. 9204525
BMW 1 Series E87 LCI ECU Light Module Control Unit PL2 FRM II Lear 9204525
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Part no. 9159811
BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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Part no. 9240351
BMW X5 F20 F21 F30 E70 LCI Trunk Lid Reversing Camera Rear 9240351
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Part no. 9329701
BCM Module BMW F20 F21 F30 F31 F32 Body Control Unit Module REM V2 9329701
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Part no. 9217036
BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036
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Part no. 6975015
BMW 1 3 X1 Z4 Series E81 E84 E87 E88 E89 E90 E91 E92 Radio Business CD 6975015
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Part no. 9230001
Mini Cooper Cabrio R57 LCI Dash Roof Operating Unit Light Lamp Switch 9230001
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Part no. 7808073
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator 150A 7808073 7805432
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Part no. A9065454701
Mercedes W906 Fuse Box Relay Control Unit Electric Module A9065454701
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Part no. A0009068802
Alternator Generator Mercedes Sprinter W906 Engine Diesel 180A 14V A0009068802
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Part no. A2035400330
Mercedes W203 Kompressor M271 Positive Battery Cable A2035400330
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Part no. 7532964-1
BMW E87 E90 E91 Alternator Generator Bosch 110A Petrol Engine 7532964
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Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
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Part no. A9064460542
Mercedes W639 W906 ECU Control Unit Sensor Module Air Module A9064460542
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Part no. 8794119
BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
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Part no. 9324784
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9324784
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Part no. 3451528
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Part no. 9335347
BMW F20 F21 F30 F31 Radio Player CD DAB Head Unit Audio Player 9335347
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Part no. 7573029
Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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Part no. 8240500
Wiring Loom Cable BMW E46 X5 E53 X3 E83 Seat Occupancy Sensor 8240500
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Part no. 9133281
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9133281
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Part no. 9166711
BMW E90 Light Control Module ECU LCM NSW Footwell PL2FRMFA 9166711
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Part no. 9273628
BMW F11 Touring Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 9258170
BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Control Unit 9258170
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Part no. 7515030
Mini R52 R53 Petrol W11 Compact Alternator Generator 105A 7515030
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Part no. 8709339
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Part no. 7258278
Headlight Module BMW F07 F10 LEAR TMS Headlamp Control Unit Module 7258278
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Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Part no. 7587465-1
IBS Cable Mini R55 R56 R57 Negative Battery Lead Terminal Wiring Cable 7587465
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Part no. A0045420418
Mercedes-Benz C CLK Class W203 C209 ESP Yaw Rotation Rate Sensor A0045420418
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Part no. 9284331-1
Mini R55 R56 R60 R61 Roof Operating Unit Light Switch 3455632
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Part no. 9273628-1
BMW F10 Light Control Footwell Module Unit ECU FRM III 9273628
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Part no. 9299265
BMW 1 2 3 Series F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9299265
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Part no. A0009063322
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
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Part no. 8X0959795D
Audi A1 8X Rear Door Module Left N/S Control Unit ECU 8X0959795D
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Part no. 6774040
BMW X3 E53 E60 E61 E64 E65 X5 E83 Power Steering Speed Sensor 6774040
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Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Part no. A2125407050-1
Mercedes W212 Fuse Box Control Unit Power Distribution Electrical A2125407050
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Part no. A2129006724-1
Fuse Box Mercedes W204 S204 W212 SAM Control Unit Module Relay A2129006724
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Part no. A0131546802
Alternator Generator Mercedes W204 W212 OM651 14V 180A Engine Electrical Unit
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Part no. 6949289
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6949289
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Part no. 9264944
Sound Speaker BMW F30 F31 F32 F33 HiFi System Mid-range Unit 9264944
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Part no. 9241032
BMW F10 F11 Active Pedestrian Protection PTS Front Bumper Sensor Unit 9241032
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Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
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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 .