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. A0028201326
Mercedes SLK R171 Crash Sensor Air Bag Impact Module Control Unit A0028201326
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A1669056001
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Mini Cooper Cabrio 3 R57 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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BMW E60 E87 E90 120d 320d 520d N47 ECU Control Unit Module DDE 7809000 Manual
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BMW E60 E61 LCI Front Bumper PDC Loom Cables Wiring Set 6928362
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Mercedes-Benz A B Class W176 W246 Diesel Fuse Box Relay Unit A2465402150
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Mercedes-Benz C E W203 W211 Parking Sensor Wiring Loom Cable Harness Front PDC
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Mercedes W176 W246 W166 Windscreen Windshield Rain Sensor Unit A2469002603
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Mercedes-Benz A B E W176 W212 W246 Fuel Pump Module Control Unit A0009006207
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Mercedes-Benz A B W176 W246 Engine Temperature Sensor Wiring Cable Harness
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Mercedes W169 W245 Aerial Roof Antenna Radio Rod A1698202675
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Display Screen Mercedes CLA C117 ML W166 Head Unit Sat Navigation A1669001420
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Mercedes W203 CD Media Player Radio Audio 20 Phone Head Unit A2038704589
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BMW 5 6 Series E60 E61 E63 6-disc Compact CD Changer Without Magazine 6986081
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Mini Cooper R60 Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Starter Motor Mercedes Sprinter W203 W204 W211 OM646 Diesel Engine A0061514601
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Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Fuse Box Mercedes W204 W212 SAM Relay Control Unit Module A2045404150
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Seat Adjustment Motor Mercedes W220 W221 Front Right Actuator O/S A2208204942
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BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU Kit DDE 8513184 Key CAS4
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BMW X5 E53 Basic Body Control Unit Module GM3 6960249
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BMW F20 F21 F30 F31 N47N 116d 316d 116HP Engine ECU Kit DDE 8518569 + Key + FEM
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BMW 3 Series E90 E91 LCI N47N 320d ECU Basic DDE Control Unit 8512047 Manual
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BMW 6 Series E64 Aerial Antenna Amplifier Diversity DAB 6935048
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Part no. A2219067200
Mercedes W221 Fuse Box Control Unit SAM Module Relay A2219067200
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Mercedes W211 W219 Fuse Box Rear SAM Module Electrical Fuse Unit A2115459301
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Part no. 6912824
BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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BMW E92 LCI Footwell Xenon Light Control Module Lear FRM3R PL2 9263798
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BMW Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6935645
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Display Screen BMW F10 F11 On Board Central Information Monitor 6,5" 9284973
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Mercedes W221 Seat Control Module Front Right O/S A2218707493
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Yaw Sensor Mercedes W211 W219 ESP Rotation Rate Control Unit Module A0055422718
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BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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BMW F30 F33 Rear PDC Sensors Wiring Loom Cable 2295873
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Control Unit Mercedes W169 W245 SAM Module Relay Fuse Box A1695456332
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BMW F30 F31 F32 N20 Engine Gearbox Module Wiring Cable Loom Harness 7634059
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Mercedes W204 SAM Fuse Prefuse Box Relay Control Unit A2045403850
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Radio Player Mercedes W204 COMAND Navi CD Head Unit A2048700196
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Yaw Module Mercedes W204 Rotation Rate Acceleration Sensor A0055421918
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Mercedes W203 W204 W211 Automatic Gearbox Transmission Control Unit A0034464110
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Adblue Module Mercedes W164 W212 W221 Control Unit ECU A6429009900
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BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Mini Cooper R56 SPEG PL3 M2 SPEG Fuse Distribution Box 3453736
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Dashboard Monitor BMW F30 F31 Display Central Information Screen 6,5" 9270393
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Parking Module Mercedes W203 C209 Parktronic Control Unit A2035454932
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Mercedes-Benz C Class W203 Automatic Gearbox Transmission Control A0345454332
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BMW F07 F25 CIC Sat Nav Professional Infotainment Radio Player Head Unit 9275509
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Key
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Mercedes W203 Parktronic Parking Sensor Warning Display Screen A2095452432
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Airbag Module Mercedes W169 W245 Air Bag Sensor Control Unit ECU A1698207826
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Mercedes W245 B200 CDI OM640.941 140HP Engine ECU Kit A6401508334 Key
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PDC Wiring Mercedes W211 W219 Front Bumper Parking Sensor Loom Cable A2195406207
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Part no. 6983538
BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9257200
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Battery Cable Mercedes W169 W211 Negative Lead Wiring Pole Harness A1665420318
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Light Module Mercedes W209 W219 W164 Headlight Headlamp Control Unit A2198202526
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Mercedes CLS W219 Battery Fuse Box Control Unit Module A2119820402
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Mercedes W169 W245 SAM Control Module Fuse Box Unit A1695454332
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Mercedes W219 CLS350 CDI OM642.920 Engine Module ECU Kit A6421501230 Key Lock
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Air Bag Module Mercedes W211 Control Unit ECU Airbag Sensor A2118705885
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Radio Player Mercedes W639 W906 Audio Stereo CD Head Unit Display A9068200486
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Part no. 7553735-10
MINI S R52 R53 W11 Engine Control Unit Module ECU DME 7553735 Manual
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PDC Wiring Mercedes W169 W245 Front Bumper Parking Sensor Loom Cable A1695403733
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR01 ECU 9324784
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BMW F10 F11 530d N57 245HP Engine Control Unit ECU Module DDE 8511385 Automatic
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Mercedes CLS W219 Parking Sensor PDC Distance Control Unit Module A2195450732
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Parking Sensor Mercedes W169 W245 PDC Distance Control Unit Module A1699007400
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BMW F80 M3 F82 M4 LCI Cable Wheel Acceleration Sensor 7850609
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Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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Mercedes-Benz B-Class W245 Central Gateway Control Unit Module ECU A1695403945
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BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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BMW 4 Series F33 F83 M4 Convertible Top Module CTM Unit 9371386
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BMW 4 Series F33 F83 M4 Switch Folding Top Sliding Up Down Roof 9366374
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BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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Radio Professional BMW F20 F21 F30 F31 CD Player DAB Bluetooth 9381305
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Mercedes W203 W221 Rain Light Sensor Control Module A2218700092
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Engine Wiring BMW F10 F31 F32 N20 Loom Module Harness Cable 7641652
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Part no. A2219006702
Mercedes W216 W221 Central Gateway Control Unit Module VST A2219006702
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Part no. 7428425
LED Module BMW F20 F21 LCI Headlight Front Lamp Headlamp 7428425
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Part no. A2219009603
Mercedes W221 Air Suspension ABC Control Unit Module A2219009603
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Part no. A2219006902
Mercedes Class W221 Rear Fuse Box Control Unit Module SAM A2219006902
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Part no. 9289007
BMW 5 F10 F11 On-board Central Information Display Screen Monitor 6,5" 9289007
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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 .