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. 6961364
Mini Cooper One R50 R53 Body Control Unit Basic Module BCM 6961364
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Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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BMW F20 F30 LCI Diesel B37 B47 ECU DDE Engine Control Unit 8598759 Automatic
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Mini Cooper F54 F56 F60 JCW B48E 306HP Engine ECU Kit DME 5A4C367 BDC Key
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VW Volkswagen Touareg 7P Dashboard Multimedia Display Screen Panel 7P6919603
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Mercedes Vito W639 1 Rear Left Right Sliding Door Handle Bowden Cable
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Audi A4 B8 Door Wiring Harness Loom Front Left N/S Cabling 8K0971030M
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Mercedes ML W166 GLE C292 SAM Module Control Unit ECU A1669006120
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BMW 1 Series E87 LCI CCC CD Professional Navigation System Controller 9159034
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MULF2 Module BMW E60 E87 E90 E91 Hands-Free Electronics Charging Unit 9226711
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Audi Q7 4L Steering Column Lock Mechanism Control Unit Module ECU 4F0905852B
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Renault Trafic II Vauxhall Vivaro A 2.0 DCI Alternator Generator 8200404459D
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Audi Q5 FY Air Module Control Unit SRS System ECU 80A959655N
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Mini Cooper One R56 High SPEG DC/DC H3 Fuse Distribution Box 3451927
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BMW F20 F21 F22 F30 Radio Professional CD Bluetooth Headunit Control 9281518
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Audi A4 B9 2.0 TFSI DEMA BCM Body Control Module Unit ECU 8W0907064EB
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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Peugeot 3008 Body Control Comfort Unit Module BSI Fuse Box 9675877980
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Mercedes Sprinter W906 OM651 OM642 Diesel Adblue Control Unit ECU A0009002914
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Mercedes CLK W209 Radio CD Player Stereo Audio Head Unit A2098202689
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BMW X5 X6 E70 E71 Front Impact Crash Sensor Module 9152262
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BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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Mercedes X218 CLS350 Airmatic Suspension Self Leveling Module A2189008903
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BMW F20 F23 F30 F34 F36 LCI Automatic Gearbox Wiring Loom Harness 8585935
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BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP Engine Control ECU DDE 8518568
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BMW E46 N42 316i 318i Petrol Engine Alternator Generator Remy 7521382
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Porsche Cayenne 9PA Front Bumper PDC Park Sensor Wiring Harness 7L5971095J
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Audi A7 4G8 Body Comfort Control Module Unit BCM V2 4H0907064GB
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Audi TT FV Dashboard Sat Nav Drive Unit MMI Multimedia Infortaiment 8S0035072A
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Peugeot 307 Fuse Box BSM Control Unit Module 9664055780
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Audi S3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433C
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Mini R57 R58 Front Left Door Module Wiring Loom Harness N/S 9157650
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Part no. 6943283
BMW E60 Light Control Unit Module LEAR LM E6X LWR 6943283
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Mercedes W204 Fuse Prefuse Box Relay Electrical Control Unit A2075401650
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Part no. 9268478
BMW F20 F21 F30 F31 Driver Assist ACC Lane Change Switch Button Panel 9268478
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Mercedes-Benz A B W169 W245 Starter Alternator Wiring Loom Harness A1694403805
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BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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Mercedes W204 Display Screen Information Navigation Dashboard A2049007408
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BMW F10 PDC Rear View Backup Camera Control Module Unit ECU 9288002
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Volkswagen Polo 6R Passenger Wiring Loom Front Left N/S 6R2971121AR
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BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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BMW 1 Series E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9204524
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Audi Q7 4L 3.0 TDI Quattro Engine Starter Motor Actuator Starter 059911024H
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Mini Cooper S R55 R56 R57 N14 1.6 ECU Basic Control Unit DME 7641003 Manual
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On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
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Mini Cooper One D W16 R55 R56 Engine Wiring Loom Harness 7808630 7795052
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Audio Amplifier BMW F20 F21 F22 Harman Kardon Active Sound Design Unit 9390396
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BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9146651
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Part no. 6C1T-10300-CC
Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CC
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Renault Master III DCI Alternator Support Bracket Mount 117103585R
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BMW E60 E61 E90 E91 E92 N52 325i 525i Engine Control Unit ECU DME 7577968 Manual
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Fuse Box Mercedes W906 Front Relay Control Unit Electric Module A9065450401
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C
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BMW 5 Series E60 E61 Cable Door Rear Left Right N/O/S Wiring Harness 6966643
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049005112
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Negative Battery IBS Cable BMW X5 F15 M F85 X6 F16 M F86 Terminal Wiring 6819309
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Part no. 9267421-1
BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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Volkswagen Sharan 7N Air Module ECU Sensor Control Unit 7N0959655C
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Land Rover Discovery Sport L550 Windscreen Rain Sensor Module CPLA-17D547-AN
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Part no. 03D971595CJ
VW Volkswagen Fox 5Z 1.2 CHFB Engine Wiring Loom Harness Cable Loom 03D971595CJ
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Mercedes W211 PDC Parking Sensor Module Control Unit A2115457332
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BMW F10 F11 X5 E70 Alternator Generator Unit Valeo 230A Diesel Engine 7807187
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Tuner Box Mercedes W213 W205 W222 Digital Audio Control Unit DAB ECE A2229008911
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Part no. 8W0907217B
Audi A4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217B
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Part no. 059903016E
Audi A4 B8 A5 Q5 Sportback Alternator Generator 059903016E
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Part no. 03L906018JG
Audi A5 8F 2.0 TDI CGLC 177HP Diesel Engine Control Unit ECU 03L906018JG Manual
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Part no. 8490093
BMW G01 G05 G20 G22 G30 G32 B57P Diesel Engine Starter Motor 8490093
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Part no. A2049005201
SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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Part no. 06A906033DP-1
Volkswagen New Beetle 1.6 BFS 102HP Engine ECU Kit 06A906033DP Ignition + 2 Keys
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Part no. 8475350-1
BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual
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Part no. A1699000300-1
Door Module Mercedes W169 W245 Front Left N/S Control Unit A1699000300
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VW Volkswagen Touareg 7L Onboard Supply Comfort Unit Module Unit ECU 7L6937049M
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BMW E46 Touring Positive Battery Cable Plus Pole Lead Loom 6907435
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Part no. 6870539
BMW F10 F11 F12 F13 Parking AID Control Module ECU 6870539
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BMW E81 E82 E88 E92 Passenger Seat Wiring Memory Loom Harness Cable 9131732
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Part no. 7800131-2
BMW X5 Series E53 3.0d M57N 218HP ECU Kit DDE 7800131 EWS3 + Key Automatic
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Display Screen Mercedes C253 Vito W447 W448 Head Unit Touch Monitor A2539005009
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6938310
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Engine Wiring Mercedes W204 W212 OM651 Diesel Harness Loom Cable A6511504633
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Mercedes Vito W639 Door Front Right O/S Control Unit Module ECU A6398201226
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Sunroof Wiring Volkswagen VW Tiguan 5N Roof Motor Cable Harness 5N0971100R
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BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU DDE Kit 7810980 Automatic
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Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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BMW E90 E81 E87 E85 Alternator Generator 150A N45 N46 Petrol Engine 7533270
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Mini Cooper R55 R56 N12 1.6 120HP Petrol ECU Kit DME CAS3 Key 7640005
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Remote Key Audi A4 S4 B7 8E Radio Alarm Key Fob Opener Button 8E0837220Q
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Starter Mercedes W204 W212 Diesel OM642 Starter Motor 1005831549
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Part no. A2049009501
Fuse Box Mercedes W204 Rear SAM Relay Control Unit Module A2049009501
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Part no. 9134479-1
BMW E93 Body Control Module Junction Box ECU PL2 JBBFE H1 9134479
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Part no. 8572439-3
Engine Control Unit BMW F30 F31 N57N 330d 258HP ECU DDE 8572439 Automatic
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Part no. 9294300
Dashboard Monitor BMW X3 F25 X4 F26 Onboard Central Display Screen 8,8" 9294300
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Part no. 8513184-3
BMW X3 F25 20dX Diesel N47N 184HP Engine Module ECU DDE 8513184 Manual
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Part no. 6986980
BMW Z4 Series E85 Cable Loom Driver's Door Wiring Harness 6986980 6986976
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Part no. A4479007806
Mercedes W447 Door Control Unit Front Right O/S A4479007806
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Part no. 7620985-1
Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit Unit DME 7620985 CAS3 + Key Manual
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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 .