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. 4F0910553D
Audi A6 C6 Adaptive Suspension Software Module Control Unit ECU 4F0910553D
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Mercedes W164 ML350 CDI OM642.820 231HP Engine Control Unit ECU A6429002900
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BMW E60 E61 E63 E64 6-disc Compact CD Changer with Magazine 6956939
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Fuse Box Mercedes W212 Rear Relay Control Unit Electric Module SAM A2129060005
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BMW E87 E90 120i 320i N46 ECU Engine Control Kit DME 7552176 CAS2 Key Automatic
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BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8518477 Manual
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Reversing Camera Module BMW X1 E84 Rear View Camera Control Unit ECU 9277949
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Mini R55 R56 R57 LCI N12 N14 N16 N18 Engine Alternator Generator Petrol 120A
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Door Control Unit Mercedes W204 W207 W212 Front Left N/S Module ECU A2129004518
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BMW F20 LCI 118i F30 LCI 318i B38 136HP Engine ECU Unit DME 8662411 Automatic
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Adblue Module Mercedes W207 W212 Control Unit ECU A0009007006
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BMW 1 Series E82 E88 Rear Bumper Wiring Loom PDC Harness 9182571
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Volkswagen Golf Mk5 Alarm Signal Sound Impact Body Control Module Unit 5K0907159
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Mini Cooper R56 Automatic Gearbox Basic Control Unit EGS 7574294 7571340
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Audi Q7 4L Alternator Generator Engine 3.0 TDI Diesel 059903016P
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Control Unit Bracket BMW G30 G31 Surround View Camera Module Holder 9352755
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Audi TT FY Rear Bumper PDC Cables Set Wiring Loom Harness 8S0971104
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Mercedes X253 GLC 300e M274.920 4-Matic Engine ECU Unit Module A2749002900
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW Mini Cooper One R50 R53 Radio Boost CD Player Unit Head 6934348
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Mercedes W177 Rear Left Right N/O/S Door Control Module A1779002207
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MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7542310 Manual
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BMW 5 X3 Series 1 E60 E61 E83 PDC Parking Ultrasonic Sensor Bluewater 6989245
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Mercedes W212 E250CDI 204HP OM651.924 Engine ECU Kit Key A6519005301 Automatic
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BMW E90 E91 LCI 325i N53 218HP Engine ECU Kit DME 7592080 CAS3 Key Automatic
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VW Volkswagen Polo 6R Rear Door Harness Wiring Loom Cable Left N/S 6C4971693E
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Renault Trafic II Opel Vivaro A 1.9 DCI Alternator Generator 8200086130
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BMW E39 E46 E85 Automatic Gearbox Basic Control Unit Module EGS 7514265
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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Alternator Generator Mercedes W169 W245 OM640 Diesel Engine 150A 14V A6401540402
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2045403750
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VW Touareg Phaeton Heated Seat Control Module Unit 7L0959772D
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Audi A3 8P Multimedia Radio CD Player Head Unit 8P0035186AB
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BMW 3 Series E46 320d M47N Diesel Engine Wiring Harness Module Manual 7790726
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Skoda Octavia 5E Audi A3 8V Body Control Comfort Module BCM ECU Unit 5Q0937084AC
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BMW E82 E90 E91 E92 N54 135i 335i Alternator Generator 180A 7558220
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BMW E87 E90 E91 118d 318d M47N2 122HP Engine ECU KIT DDE 7803372 CAS3 + Key
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Audi TT 8J Starter Motor Engine Diesel Valeo 02M911024N
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BMW 5 6 7 E60 E63 E65 Adaptive Light Control Unit Module LM E6X 9153273
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BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7792024 EWS3 + Keys Manual
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BMW 7 Series E65 Battery Cable Plus Pole 6926795 61126926795
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BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Alternator Petrol 180A 7550469
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Autoradio CD Player BMW E81 E82 E87 E88 E90 E91 E92 Radio Professional 9187108
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BMW F15 F31 F36 F45 Rear Boot Trunk Lid Tailgate Control Unit Module ECU 7367747
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Bmw E46 M3 Gear Speed Selector Adjustment Switch 7832033
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BMW 7 Series E65 E66 E67 Sensor Vehicle Centre AIRBAG
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Body Control Module Mercedes Sprinter W907 W910 BCM V2 ECU A9079009205
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Module BMW F30 FEM Body Control Unit Module D3+ Electronic Lear 9290796
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BMW F30 320i B48 184HP Engine Control Unit ECU Kit DME 8663562 FEM + 2 Keys
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Mercedes ML63 W164 AMG 4Matic M156.980 510HP Engine ECU A1561502379 Automatic
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Seat Wiring BMW E87 E90 Front Passenger Seat Wiring Loom Harness Cable 6944767
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Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A
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Audi Seat Skoda Volkswagen Gateway Control Unit Module ECU 7N0907530AP
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BMW F30 F31 320i Petrol N20 184HP Engine ECU Kit DME 8617551 FEM Key Automatic
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Mercedes W177 W247 220 260920 260.920 190HP Engine ECU A6549009600 Automatic
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BMW MINI Cooper One R50 Rear Bumper PDC Cables Wiring Loom Set
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BMW F10 F11 525d N57 204HP Engine Control Unit ECU Module DDE 8511385 Automatic
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BMW 1 3 Series E87 E90 118d 120d 320d M47N2 Diesel Engine Wiring Loom Harness
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YAW Rate Sensor BMW E81 E87 E90 E91 Accelerator Speed Module 6781575
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Mini Cooper R50 W10 90HP Engine ECU Kit DME 7527610 + EWS + Key Automatic
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Mercedes W221 Centre Console Telephone Keypad Control Unit Module A2218230050
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MINI Cooper S R53 W11 170HP Engine ECU Kit DME 7520019 + EWS + 2 Key Manual
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Mercedes W204 C220 CDI Automatic Transmission Control Module TCU A0005455716
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Mercedes CLC CL203 Trunk Lid Tailgate Left N/S Wiring Cable Harness A2035406609
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Yaw Sensor Citroen Berlingo Peugeot Partner ESP Rotation Rate Unit 9666173080
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Mini One R50 R52 W10 1.6 90HP Engine ECU Control Unit DME 7545789 Automatic
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Audi Q7 4L 4.2 TDI Quattro Positive HV Battery Terminal Cable Harness 7L0971225
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Mercedes C140 CL420 119.981 279HP Engine Unit ECU A0215452032 Automatic Gearbox
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BMW E60 E61 LCI 530d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Mercedes W203 C209 Battery Starter Alternator Wiring Harness Cable A2035403533
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Ford Transit Custom Fuse Box Under Bonnet Wiring Loom Harness BK2T9K499ABF
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BMW F20 Radio Professional CD Player Control Module 9335351
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Radio CD Player Citroen Relay Peugeot Boxer Unit Fiat 250 VP2 DAB 07355857920
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Land Rover Freelander 2 Module ECU Door Lock Control Unit Module 6G9T-14B534-BL
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BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
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Mercedes W246 Front Bumper Parking Sensor PDC Wiring Harness A2465400703
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Gearbox Control Mercedes W177 W247 Transmission Unit Module ECU A0009015810
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BMW E36 316i Engine M43 102HP ECU Kit DME 1432521 + EWS II + Key Manual
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine Unit ECU Kit DME 7620985 Manual
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BMW E60 E61 E63 E65 E83 Alternator Generator VALEO 170A 7797521
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BMW 7 Series E65 E66 E67 Control Unit Voice Input System Module 6931987
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BMW E81 E87 USB Adapter Wiring Cable Connection Lead Wiring Loom 1895MM 9222828
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Mini R56 High SPEG DC/DC Fuse Distribution Box H3 3453739
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Alternator Cable BMW 5 G30 G31 G12 B57 Battery Wiring Alternator B+ 8590102
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Mercedes-Benz A B Class W169 W245 CD Player Radio Stereo Head Unit A1698705894
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BMW X3 Series E83 Battery cable holder mounting parts B Base 8367769
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PDC Parking Sensor BMW F20 F21 F30 Ultrasonic Front Tiefseeblau Deep Sea Blue
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BMW 5 6 Series E60 E61 E63 E64 1 Power Distribution Fuse Relay Box Rear 6956505
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Mercedes W169 Door Control Module Front Right O/S A1698208026
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Audi A5 8T Module Lane Assist Control Unit Rear Right O/S 8K0907566H
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Seat Control Unit BMW X5 E70 E87 E90 Module ECU Electronic Module 9149836
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Audi A5 8T 2.0 TFSI CDNB Automatic Gearbox Module Control Unit 8K0927155AA
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Part no. 7798006
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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CD Player Head Unit Audi A4 S4 B8 A5 8T Harman Multimedia Navi Radio 8R2035666C
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Starter Motor Mercedes W204 W212 Sprinter W906 OM651 Diesel Engine A0061514501
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BMW 5 6 Series E60 E63 E64 Body Control Module ECU Control Unit 6974310
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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 .