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. 7557809-2
BMW E87 E90 116i 316i Petrol Engine N45 ECU Kit DME 7557809 + CAS2 + Key Manual
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BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
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Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
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Mercedes-Benz Sprinter W906 Front Right O/S Door Wiring Loom Harness A9060005999
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Radio Head Unit Mercedes W176 W246 Audio 20 Media Player Navigation A2469008819
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VDC Module BMW F31 Touring Air Suspension Level Control Unit 6860729
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Control Unit Air Bag 6858700
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Mercedes W212 E200 BlueEFFICIENCY M271.860 184HP Engine ECU A2711500391
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SAM Module Mercedes W212 Fuse Box Relay Control Unit A2129000004
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BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
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Engine Wiring Mercedes W204 OM651 Diesel Harness Loom DDE A6511503233
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BMW E70 E71 F01 F02 F10 F11 F30 F31 Diesel Starter Motor NAPA 8581098
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BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 2622869
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Part no. 7558220
BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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Part no. 9309991
Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Part no. A9069006701
Mercedes Sprinter W906 SAM Module Fuse Box Relay Control Unit A9069006701
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Part no. 4154935-1
Radio Business BMW X3 E83 Z4 E85 E86 CD Player Head Unit 4154935
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Mercedes V177 Head Unit Media Player Audio Radio Controller A1679001014
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Airbag Module BMW F20 F21 F30 F31 F32 ECU ICM Plus Control Unit Air Bag 6887754
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Airbag Module Mercedes w176 Air Bag SRS Control Unit ECU A1179008600
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Part no. 6836346
Audio Amplifier BMW F20 F21 LCI Mini F56 Top Hifi Harman Kardon Unit 6836346
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Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Part no. A2048204697
Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Part no. 7574544-3
BMW E90 E91 E92 N52N 325i 218HP ECU Kit DME CAS3 Key 7574544 Automatic
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Part no. 6971370-1
BMW E81 E82 X1 E84 E87 E90 E91 E92 Power Distribution Box 6971370
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Part no. 7561834-10
BMW X3 E83 2.0i N46 ECU Engine Control Unit KIT DME 7561834 EWS Key Manual
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Part no. 6836764
BMW F20 F31 LCI Telematics Control Unit Module ATM ECE 4G 6836764
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Part no. 6918515
BMW E46 Convertible Rollover Sensor Control Unit Module 6918515
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Part no. 9230554
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Left N/S 9230554
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Part no. 9230617-1
BMW F10 F11 Seat Loom Cable Lordosis Lumbar Pump Control Front Right O/S 9230617
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Part no. 6814187-1
Audio Module BMW F20 F30 F31 F32 Operating Unit FBM Control Panel 6814187
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Part no. 9866982
BMW F20 F22 F30 F32 REM Rear Electronic Module Fuse Box Control Unit V5 9866982
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Part no. 9125237
CD Changer BMW X5 E70 X6 E71 Mini R55 R56 R57 6 Disc Changer Unit 9125237
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Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
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Part no. 6938215
BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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Part no. 7314798
Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
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Part no. 9464652
Mini Cooper One F57 Convertible Folding Top Control Unit Module CVM 7457434
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Mini F57 Cabrio Control Unit Module Bracket Holder Parking Assistant PDC 9342085
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Part no. 6987997-1
BMW 1 Series E90 Footwell Light Control Module (LCM) NSW 6987997
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Part no. 7541009
BMW 3 Series E90 E90N E91 E91N E92 E92N E93 LCI NOX Wiring Loom Cable 7541009
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Mercedes-Benz A B W176 W246 160 180 CDI Transmission Control Unit Module ECU
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BMW 7 Series 1 E65 E66 Battery Cable Positive Plus Pole 6904905
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Part no. 7806976
BMW E60 LCI E90 330d 530d M57N2 235HP Engine Control ECU DDE 7806976 Automatic
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Part no. 6989396
BMW 3 5 Series 4 E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
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Part no. 7575665-1
BMW E87 LCI E90 E91 120i 320i Petrol N43 170HP ECU KIT DME 7575665 CAS3 + Key
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Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
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Part no. A0025450801
Fuse Holder Mercedes W169 W245 W906 Electrical Fuse Box Bracket A0025450801
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Part no. 9247465
BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465
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Part no. 6827161
Mini Cooper F55 F56 Control Unit Module Active Sound Design Amplifier 6827161
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Part no. 6818814
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6818814
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Part no. 6921414
BMW X3 X5 Series E53 E83 PDC Parking Distance Control Unit Active Module 6921414
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Part no. 9215954-1
BMW X5 E70 X6 E71 Negative Battery Terminal Cable 9215954 61129215954
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Part no. 9165211
Display Screen BMW E65 E66 Dash Information Navigation Monitor 8,8" 9165211
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Part no. 9362395-1
REM Control Unit BMW F20 F30 F31 F34 Electrical Body Control Module V2 9362395
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Part no. A0009007306
Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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BMW E93 Hifi System Amplifier Sound System Amp 9145162
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Part no. 9807168
Air Module Sensor Mini R57 Cabrio Convertible Crash Control Unit ECU 9807168
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Part no. A2118702489
Audio Amplifier Mercedes W211 Audio Gateway Control Unit Module A2118702489
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Part no. 7515029-1
Mini Cooper One R50 R52 Petrol W10 Compact Alternator RTX 7515029
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Part no. 9216273-1
Auto Radio BMW E81 E87 E90 E91 Radio BMW Business CD Player Control Unit 9216273
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Part no. A2045458132
Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Part no. A1698207126
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698207126
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PDC Module Mercedes W205 W213 W247 Parking Assistant Parktronic Unit A0009006318
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Part no. 9257009
BMW F01 F10 CIC Professional Unit Sat Nav Infotainment DAB Radio Player 9257009
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Part no. A2049005908-1
Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Part no. 3457402-1
Mini Cooper R56 Footwell Light Module High EKS PL3 FRM3R 3457402
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Part no. 3457413
Mini Cooper One R56 High PL3 SPEG H4 Relay Fuse Distribution Box 3457413
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Part no. A2129005912
Mercedes W204 Fuse Box Relay SAM Control Unit Module A2129005912
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Part no. A2208703589
Navigation Player Mercedes W211 W219 DVD CD Reader Control Unit A2208703589
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Part no. 6827064-6
BMW E90 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 6836883
PDC Module BMW X3 F25 X5 F15 Mini F55 F56 Parking Distance Control Unit 6836883
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Part no. 6948335
BMW 1 X1 Series E81 E84 E87 RR1 Battery Lead Cable Negative IBS 6948335
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Part no. A0009063903
Alternator Generator Mercedes W205 W213 Diesel Engine Valeo 200A A0009063903
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Part no. A2385406926
Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Part no. 7640875
Alternator Generator BMW F10 F20 F30 LCI Diesel Engine Unit Denso 180A 7640875
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Part no. A6549061400
Starter Motor Mercedes W213 S213 W238 OM654 Diesel Engine Actuator A6549061400
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Part no. 9185532
BMW E87 LCI CCC CD Professional Navigation System Controller 9185532
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Part no. A2126280041
Mercedes W212 Battery Holder Mount Bracket E-Class A2126280041
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Alternator Belt Tensioner Mercedes W169 W245 OM640 Diesel Holder Mounting Panel
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BMW 5 Series F10 Electric Parking Brake Module Cable Wiring Loom 9325537
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BMW i3 I01 Holder Audio Amplifier Telephone Bracket Mount Trim 9251524
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Mercedes W213 Door Module Front Right O/S Control Unit A2139004409
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Mercedes W213 Door Module Rear Right O/S Control Unit A2139005009
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Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709
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Part no. 7807187
BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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Part no. A1695450632
Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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Mercedes W176 Windscreen Rain Sensor Unit Module A2469017000
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Part no. A2661530391-1
Mercedes W169 W245 A150 B150 M266.920 95HP Engine ECU Kit A2661530391 Key Lock
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Part no. 9166708-2
BMW 1 Series E87 LCI Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 8603352
BMW F20 F30 116i 316i N13 136HP Engine Control Unit ECU DME 8603352 Manual
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Part no. 9309990
Mini F57 Cabrio Antenna Aerial Amplifier AM / FM Rear Unit Module FM2 9309990
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Part no. A2049012604
Mercedes W204 Parking Control Unit Module ECU A2049012604
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Part no. B6 787 5877
Mercedes-Benz C-Class W204 Bluetooth Hands-free Mobile Phone Adapter B6 787 5877
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Part no. 8803369
BMW X1 F48 Dashboard Monitor Display Central NAV Information Screen 6,5" 8803369
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Part no. A2118702726
Mercedes C E Class W203 W211 Bluetooth Control Unit Module ECU A2118702726
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Part no. 7574365
Alternator Mini R55 R56 R57 R57 R58 LCI Generator Petrol 7574365
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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 .