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. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
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Part no. 6963026
Body Control Unit BMW E46 E83 Basic Module GM5 Star12 6963026
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Part no. 6974913
BMW E60 E61 CCC CD Professional Navigation System Controller Control Unit
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Part no. A0009820012
Mercedes W176 W212 W246 Voltage Converter Power Distributor Inverter
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Part no. rhd-7801103
BMW 3 Series E90 E91 E92 325D M57N2 Diesel Automatic Engine Wiring Loom Harness
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Part no. 8U0955559B
Audi A5 8T Windscreen Rain Sensor Control Unit 8U0955559B
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Part no. 6933242
Mini Cooper One R50 R52 R53 Side Air Module Control Unit 6933242
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Part no. 9159811
BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
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Part no. 9279823
BMW F30 REM Rear Electronic Module Fuse Box Control 9279823
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Part no. rhd-6766417
BMW Z4 Series E85 Roadster Electric Steering Column Servo Unit Manual Gearbox
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Part no. 9177985-1
BMW E93 Cabrio ECU Body Control Module H3 Junction Box 9177985
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Part no. 9145097
BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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Part no. A6395450301
Mercedes W639 Fuse Box Relay Control Unit Electric Module SAM A6395450301
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Part no. 9178898
BMW 1 3 5 Series E87 LCI E90 E60 Hands Free Bluetooth Module High MULF2 9178898
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Part no. 7964087
BMW 5 Series E60 E61 PDC Parking Sensor Front Carbonschwarz Black 6989071
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Part no. 9272367
BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Player 9272367
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Part no. 6906621-1
BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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Part no. 1K0959654
Audi A3 8P Steering Wheel Position Angle Sensor Control Unit Module 1K0959654
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Part no. 9341082
BMW F20 Radio BMW Professional CD DAB Player Controller F21 F22 F30 9341082
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Part no. A2469002603
Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Part no. 6943830
Key Reading Module BMW E60 E87 E90 CAS 3 ECU Control Unit 6943830
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Part no. 6945156
BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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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. 9132214
BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Part no. 7574365
Alternator Mini R55 R56 R57 R57 R58 LCI Generator Petrol 7574365
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Part no. 9813620
MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
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Part no. 6822626
Display Screen BMW F30 F31 F32 F33 Central Information 8,8" 6822626
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Part no. 6936653
BMW 1 3 Series E81 E82 E84 E87 E88 E90 E91 E92 Power Distribution Box 6936653
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Part no. A1728202100
Mercedes W176 W207 W246 USB Interface Multimedia Adapter Connector A1728202100
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Part no. 3450937-1
Mini Cooper One R57 Footwell Light Module High ECU PL3 FRM II Lear 3450937
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Part no. 7518709
BMW 3 5 X5 Series E39 E46 E53 Automatic Gearbox Ecu Control Unit EGS 7518709
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Part no. 2240945
BMW 5 Series E60 E61 Mini R50 R53 PDC Parking Ultrasonic Sensor Rear Cool Blue
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Part no. 9132216
BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 9132216 65129132216
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Part no. 6978232
BMW E60 E61 E63 E65 X5 E70 X6 E71 PDC Parking Control Module Module 6978232
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Part no. 6962424
On Board Navigation BMW E60 E61 E90 E91 Display Monitor Screen 6,5" 6962424
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Part no. 9140177
BMW MINI Cooper S R56 Rear Bumper PDC Cables Wiring Loom Set 9140177
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Part no. A2035400031
Mercedes CLK W203 C209 Negative Battery Terminal Cable A2035400231
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Part no. 7557395
Mini Cooper R50 R52 W10 1.6 Petrol Engine Control Unit ECU DME 7557395 Manual
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Part no. 6929760
Mini Cooper R52 Cabrio Aerial Base Roof Antenna 6929760
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Part no. 9114447
BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Part no. 6976988
Mini R50 R53 Body Control Unit Basic Module BCM BC1RD 6976988
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Part no. 9185139
BMW E60 E61 E63 E64 Parking Control Module Unit PDC 9185139
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Part no. 6827064
BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 3454607
BMW 3 X3 E46 E83 Body Control Unit Module GM5 Star12 Lin High 12V 3454607
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Part no. 9210510
BMW E81 E82 E87 LCI E88 E89 E90 E91 Radio Business CD 9210510
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Part no. 6933238
BMW E46 E53 Side Air Module Control Unit ECU Module 6933238
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Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Part no. A2218700092
Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Part no. 6905667
BMW E46 E53 E83 EWS 3 III ECU Immobiliser Ignition Control Unit Module 6905667
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Part no. A0009061505
Mercedes W212 W213 W205 W218 Positive Battery Tray Clamp A0009061505
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Part no. 6952296
BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6952296
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Part no. E81 E87 Wiring Loom Set PDC rear
BMW 1 Series 1 E81 E87 Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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Part no. 6778809
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
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Part no. 9179808
BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Part no. A0045428718-1
Mercedes W203 W211 Parking Distance Sensor PDC Iridium Bright Silver
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Part no. 6977723
BMW E87 Light Module Control ECU Unit LCM Footwell Module PL2 FRMFA 6977723
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Part no. 6906558
Relay Box BMW E60 E61 E63 E64 Rear Power Distribution Fuse 6906558
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Part no. 6920279-1
BMW Mini Cooper R50 R53 1 Aerial Base Roof Antenna 6920279
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Part no. 7532964
BMW E46 E85 E87 E90 Petrol Alternator Generator BOSCH 110A 7532964
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Part no. 9176070
BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Part no. 6881474
BMW F01 F07 F10 F11 Tyre Pressure RDC Control Unit Module 6857938
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Part no. 6921566
BMW E65 Control Unit Power ECU Module 6921566 6943489 6935431 6957026
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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. rhd-7795907
BMW 1 3 Series E87 E90 118d 120d 320d M47N2 Diesel Engine Wiring Loom Harness
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Part no. 6942676
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6942676
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Part no. 9123091
BMW 1 3 Series E87 E90 E92 Navigation System Car Computer CCC 6955786
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Part no. 6911838-BLK
BMW 5 X3 X5 Series E53 E60 E61 E83 PDC Parking Sensor Ultrasonic Schwarz Black
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Part no. 6917134
BMW 7 Series E65 E66 Seat Occupancy Sensor Mat Electronic Control Unit 6917134
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Part no. 9118749
BMW Z4 E85 E86 Air Module ECU Control Unit Module 9118749
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Part no. 9224595
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 7612860
BMW F20 F21 F30 F31 F32 Battery Holder Bracket Supporting Rail 7612860
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Part no. 9118071
BMW 5 Series E60 E63 Radio M-ASK M-Audio System Controller CD Player 6944109
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Part no. A2049014504
Rain Sensor Mercedes W204 W212 Windscreen Control Unit A2049014504
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Part no. 8621839
BMW F20 F21 F30 LCI G30 B38 B48 Starter Motor Engine Petrol 8621839
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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. 9123043
BMW E81 E87 E91 LCI Steering Column Switch Cluster Wiper Stalk 9123043
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Part no. 9393186
Audio Amplifier BMW F30 F31 LCI F32 Top Hifi Harman Kardon Control Unit 9393186
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Part no. A0025422319-1
Mercedes Universal TYCO Relay Module 12V V23134-B52-X309 A0025422319
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Part no. A0061516201
Starter Motor Mercedes Sprinter W204 W211 W212 OM646 Diesel Engine A0061516201
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Part no. A2079010600
Rain Sensor Mercedes W204 W212 Light Solar Condensation Control Unit A2079010600
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Part no. 1508931
Mini Cooper S R53 Positive Battery Cable Plus Pole Wire 1508931
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Part no. 6946947
BMW X5 E53 Basic Body Control Unit Module GM3 6946947
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Part no. A1698204085
Airbag Control Unit Mercedes W169 W245 System Module ECU A1698204085
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Part no. 8T0035415B
Audi A4 B8 Loudspeaker Front Door Left Right N/O/S Bang&Olufsen 8T0035415B
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Part no. 9184204
BMW E60 E93 Mini Cooper R55 R56 R60 IBS Negative Battery Lead 9184204
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Part no. 6836759
BMW 3 X1 F30 LCI F48 Telematics Telephone Control Module ATM ECE 3G 6809306
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Part no. 9143162
BMW 3 E92 E92N LCI Amplifier Hifi Speaker System 9143162
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Part no. A1669056001
Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Part no. 9366164
Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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Part no. 6945898
Seat Occupancy Sensor BMW E87 E90 E91 E92 Co Driver Mat Cable 6945898
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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. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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Part no. 9134855-1
Battery Lead BMW E81 E87 Battery Cable Negative IBS 9134855 61129134855
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Part no. rhd-A2035400250
Mercedes-Benz C CLK Class W203 C209 Fuse Distribution Dashboard A2035400250
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Part no. 6778809-1
Mini Cooper One R55 R56 R57 Xenon Headlight Level Sensor 6778809
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Part no. A0061510301
Mercedes W169 W245 Petrol Engine Starter Motor M266 A0061510301
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Part no. 9302159
BMW X1 E84 E87 E90 E91 E92 LCI Radio CD Professional DAB 9302159
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Part no. A6398201226
Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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Part no. 9159808
BMW E92 Xenon Footwell Light Module Control Unit ECU PL2 FRM II 9159808
Product currently unavailable
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 .