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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Mercedes C118 CLA200 282.914 163HP Petrol ECU Kit A2829003300 Key BCM Automatic
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BMW E60 E90 335d 535d M57N2 286HP Engine ECU KIT DDE 7810980 CAS3 Key Automatic
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CW
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Audi A1 8X A6 A7 C7 Card Map Pilot Navigation Europe 2015 8X0919884H
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BMW 7 Series E65 E66 E67 PDC Parking Ultrasonic Sensor Toledoblau 6989163
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BMW Z4 Series E89 LED Xenon Footwell Light Module Control Unit ECU FRM3R 9340337
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MINI Cooper R53 W11 170HP Engine ECU Kit DME 7527610 EWS Key Manual
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Smart Fortwo C453 Positive Battery Terminal Plus Pole Point Case 8200279219
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Skoda Octavia II Negative Battery Terminal Cable Wiring 1K0971250L
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Citroen Berlingo Peugeot Partner CD Player Radio Stereo Head Unit 98053736XT00
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BMW 5 Series E60 LCI Body Gateway Module KGM E6X High D-Can Lear 9186171
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Mercedes ML W164 Front SAM Control Unit Module ECU A1645406501
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Mercedes W907 316CDI 163HP OM651.958 Engine Control Unit ECU A6519007103 Manual
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Seat Module BMW E65 E66 Front Seat Control Unit Module ECU 9134646
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Peugeot 3008 Multifunction Display Screen Unit Module Clock Dashboard 9666483680
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Fiat Doblo Positive Battery Cable Lead Wire Electrical Cable 51871154
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BMW E81 E87 LCI N43 116i 2.0 122HP ECU Control Unit Kit DME 7640015 CAS3 + Keys
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BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355
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Mercedes ML W166 Transfer Case Gearbox Module Control Unit A1669002016
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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BMW F22 228i N20 245HP Engine Control Unit ECU Kit DME 8664661 Key FEM Automatic
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Audi S3 8Y A/C Air Condition Climate Control Module Unit ECU 5WA907007Q
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BMW X5 E53 3.0i Engine M54 231HP ECU Kit DME 7511570 + EWS + Key Automatic
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Mercedes W221 SAM Relay Fuse Box Module Control Unit ECU A2215402250
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Mercedes-Benz W169 W245 Engine Control Unit Module ECU SIM266 A0034466040
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Display Mercedes W212 Dashboard Infotainment Screen Multifunction A2129008707
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Mini R55 R56 R60 Daytime Running LED Fog Lights Module Set 2348833
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Mercedes W177 W247 Battery Fuse Box Positive Distribution Terminal A2479061803
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BMW F10 CIC Professional Unit Sat Nav Infotainment Radio Player Head 9237173
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Engine Starter BMW F20 F21 F22 F30 F32 N47N Diesel Motor Bosch
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Land Rover Freelander 2 Radio Stereo CD Player Head Unit 6g9n-18c815-ta
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Audi A5 8T Module Lane Assist Control Unit Rear Left N/S 8K0907568H
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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BMW X3 Series E83 Light Control Module Lear LM LWR ECE/RL 3413320
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Bluetooth Module BMW F20 LCI F22 X3 F25 F32 Telematics Control Unit 6820729
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Amplifier Sound BMW F30 F31 F32 Top Hifi Audio Amplifier Harman Kardon 9290171
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BMW 3 6 X3 Series E46 E63 E83 MINI R50 R53 Control Unit Xenon Light 1307329074
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Mercedes W177 Turbo Engine Wiring Warness Loom A2821503400
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BMW 3 5 7 X5 Series E38 E39 E46 E53 Rain Light Sensor Windscreen Wiper 6904012
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BMW F10 LCI 528i N20 245HP Engine Control ECU Kit Module DDE 8626172 CAS4 Key
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Mercedes W213 SAM Body ECU Control Module Unit A2139009722
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Parking Sensor BMW E60 E61 E83 PDC Space Grey Metallic - A52 9124167
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BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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Volkswagen Golf Sportsvan 1.5 TSI DADA 150HP Engine ECU 05E907309 Automatic
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Mercedes W169 A150 M266.920 95HP Engine Control Unit ECU A2661531491 Automatic
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Porsche Macan 95B On board Navigation Display Monitor Screen 95B919599F
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VW Touareg 7P Antenna Amplifier Signal Booster Module Rear Right O/S 7P6035552N
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BMW F80 M3 F82 F83 M4 431hp Engine Control ECU Kit DME 8695512 + FEM Module Key
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BMW Z4 Series E89 AUX USB Lead Cable Wire 9303638
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Smart ForTwo C453 Front Air Flap Sensor Module Control Unit 6466R1001
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BMW 6 Series E63 Body Gateway Module KGM HIGH LEAR 9118729 61359118729
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Volkswagen VW Golf Mk7 VII Passat B8 Starter Motor Diesel Engine 02M911024B
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BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM ECU LR01 9281829
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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Mercedes E-Class W211 Passenger Side Acquistition Actuation Signal Control Unit
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Mercedes SL R231 Pneumatic Pump Compressed Air Reservoir A0008002919
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Mercedes W164 Front Fuse Box SAM Relay Control Unit Module A1645402401
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Part no. 8486844-1
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DDE 8486844 BDC Key
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Volkswagen Golf Mk8 A-Pillar Speaker Tweeter Sound Left Right N/O/S 5H0035411
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BMW Mini Cooper 3 R52 Cabrio Aerial Base Roof Antenna 6929760
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BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8507245 CAS3 + Key Manual
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BMW 3 Series E46 Saloon Cable Door Rear Left Right N/O/S Wiring Harness 6913084
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BMW E90 E92 330d 335d M57N2 Engine Injector Module Wiring Harness Cable 7796081
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Mercedes W447 Fuse Relay Box Module Control Unit A4479060400
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Mercedes-Benz C-Class W203 W204 W211 Diesel Engine Starter Motor A0061512501
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BMW E90 E91 N43 320i 170HP Engine ECU DME Kit CAS3 + Key 7578032 Manual
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Skoda Octavia 5E Gateway Control Module Unit ECU 5Q0907530N
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Mercedes W221 Fuse Box Relay Control Unit SAM Module A2215458345
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Audi A4 S4 B9 Multimedia Stereo Sat Nav SD CD Player Radio Head Unit 8W5035035
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BMW 5 Series E61 Touring Negative Battery Lead Wire Cable Ground 6947498
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BCM Module BMW E60 E63 E64 Body Control Module 6135 9114447
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Audi A7 4G Front Camera Assistance Line Unit 4H0907217F
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BMW 3 Series E46 318i Petrol N42 Engine ECU Control Unit DME 7508292 Manual
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Mini Cooper One Clubman R55 R56 R57 R59 R60 JCW Engine Starter Motor 7552697
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Mercedes SLK R171 Roadster Soft Top Folding Roof Control Module A1718204926
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Central Information Display BMW F10 F11 On-Board Screen 10,25" 9247872
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Mercedes W204 W212 Radio Control Function Button Knob Controller A2048709558
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Fuse Box MINI R56 LCI Cooper One PL3 SPEG H5 Distribution Control Unit 3456852
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BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608
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BMW F40 Front Bumper PDC Parking Sensor Harness Wiring Cable Loom 8715710
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Audi A1 8X Negative Battery Terminal Earth Cable Lead 6C0915181B
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Head Unit Mercedes CL203 CLC CD Player Radio Audio Telephone Unit A2039000100
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Ford Transit Connect II Ad Blue Control Module ECU Diesel Engine KV6A5H298CD
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VW Volkswagen Touareg 7L Front Bumper PDC Parking Sensor Wire Harness 7L6971095G
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Wiring Harness Mercedes W176 A45 AMG Petrol M133 Low Temperature Pump Adapter
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Seat Wiring BMW E87 E90 Front Driver Seat Memory Loom Harness Cable 9218749
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BMW F45 X1 F48 I01 Body Control Comfort Module Unit BDC FEM ECU LR01 6808566
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456906
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BMW E60 E90 523i 323i Petrol N52 177HP ECU Kit DME 7567178 CAS3 + Key Automatic
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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 .