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.
Make
Category
Subcategory
Condition
In Stock
Price
Part no. 6982397
BMW E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6982397
Product currently unavailable
Part no. 7796819-1
Engine Wiring BMW X5 E53 3.0d M57N Loom Cable Harness Injector Module 7796819
Product currently unavailable
Part no. A2219006404
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
Product currently unavailable
Part no. 7520019-1
Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
Product currently unavailable
Part no. A6429000401-1
Mercedes W166 ML350 Bluetec 4-Matic OM642.826 Engine ECU Kit Module A6429000401
Product currently unavailable
Part no. 03C903023A
Audi A1 8X A3 8P Alternator Generator 1.4 TFSI Petrol Engine CAVG 03C903023A
Product currently unavailable
Part no. 9123038
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
Product currently unavailable
Part no. 8589891
Starter Motor BMW G20 G21 G30 G31 G32 GT G11 B57 3.0 Diesel Engine 8589891
Product currently unavailable
Part no. 9143161
BMW E91 Touring HiFi Amplifier Speaker System Control Unit Module 9143161
Product currently unavailable
Part no. 6974913-1
Navigation Head Unit BMW E60 E61 CCC CD Professional System Controller 6974913
Product currently unavailable
Part no. 8T2035666D
Audi A5 8T CD Player Radio Multimedia MMI Head Unit ECU 8T2035666D
Product currently unavailable
Part no. 7811702
BMW E81 E82 E87 LCI E88 N47S 123d ECU Kit DDE CAS 3 Key 7811702 Manual
Product currently unavailable
Part no. 9236462
Gateway Module BMW F10 F11 Central Control Unit Lear ZGW-01 High 9236462
Product currently unavailable
Part no. A2045405709
Mercedes W204 Dashboard Dash Navigation Central Display Wiring Cable A2045405709
Product currently unavailable
Part no. 237103984R
Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
Product currently unavailable
Part no. 7587164-1
BMW E88 Cabrio 125i N52N 218HP ECU Kit DME CAS3 Key 7587164 Automatic
Product currently unavailable
Part no. 9318777-1
Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
Product currently unavailable
Part no. 7586940-2
BMW E90 E91 325i E60 LCI 525i N53 218HP ECU Kit DME 7586940 CAS3 + Key Manual
Product currently unavailable
Part no. 7H0959433B
Volkswagen Transporter T5 Body Control Comfort Unit Module BCM 7H0959433B
Product currently unavailable
Part no. A2569001200
Mercedes C238 E53 AMG 4-Matic M256.930 435HP Engine ECU A2569001200 Automatic
Product currently unavailable
Part no. 04L903017A-1
Audi A4 B8 3.0 TDI CAPA Diesel Alternator 04L903017A
Product currently unavailable
-5%
Part no. 9227470
BMW 1 Series F20 F21 LCI Antenna Aerial Noise Suppression Filter 9227470
Product currently unavailable
Part no. 7561834-14
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Key Automatic
Product currently unavailable
Part no. 8K0959760D
Audi A5 8T Front Driver Site Module Control Unit Seat Adjustment Seat 8K0959760D
Product currently unavailable
Part no. 9390491-2
BMW E90 Light Control Footwell Module ECU MAX Brose FRM3R PL2 Lear 9390491
Product currently unavailable
Part no. 9124632
BMW Z4 E85 Radio Business CD Player Multimedia MMI Head Unit 9124632
Product currently unavailable
Part no. 6921980-1
Door Module BMW E65 E66 Door Control Unit ECU TFT Rear Left N/S 6922263
Product currently unavailable
Part no. 4L1910401D-1
Audi Q7 4L 3.0 TDI CASA 240HP Quattro Engine ECU Kit 4L2910401B Lock + Key
Product currently unavailable
Part no. 6970680
IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 6970680
Product currently unavailable
Part no. 3420786
BMW X3 E83 Light ECU Control Module Unit Lear LM MAN.LWR 3420786
Product currently unavailable
Part no. A6519005203-1
ECU Mercedes C205 C250d Diesel OM651.921 204HP Engine Control Unit Automatic
Product currently unavailable
Part no. 7N0843639
Volkswagen Sharan 7N Sliding Door Locking Catch Plate Left N/S 7N0843639
Product currently unavailable
-5%
Part no. A6395460035
Mercedes Vito W447 W639 Battery Terminal Protection Cap Cover A6395460035
Product currently unavailable
Part no. 8680374-1
BMW F45 Alternator Generator 14V 180A DENSO 8680374
Product currently unavailable
Part no. A6421507391
Mercedes W221 S320 CDI 642.930 235HP Engine Control ECU A6421507391 Automatic
Product currently unavailable
Part no. 7590857-3
Mini Cooper S JCW R56 N14 1.6 211HP Engine ECU Kit DME 7590857 CAS3 Key Manual
Product currently unavailable
Part no. 0390203330
Mercedes W207 Seat Adjustment Motor Front Seat Actuator Unit 0390203330
Product currently unavailable
Part no. 6921521-1
Mini Cooper One R50 R53 Navigation Screen Display Instrument Cluster 6921521
Product currently unavailable
Part no. 8P7959255
Audi A3 8P Convertible Roof Control Module ECU 8P7959255
Product currently unavailable
Part no. 7557809-3
BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
Product currently unavailable
Part no. 8642704
Mini One F56 B38 102HP Petrol Engine ECU Control Unit DDE 8642704 Manual
Product currently unavailable
Part no. 8E0971687L
Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
Product currently unavailable
Part no. 6948576
BMW E60 Light Control Module Unit Lear LM E6X DYN. LWR (LCM) 6948576
Product currently unavailable
-10%
Part no. A2468200526
Seat Module Mercedes W176 W246 Control Unit Front Left Right N/O/S A2468200526
Product currently unavailable
Part no. 9308294
BMW F34 Underfloor Battery Positive Cable Wiring Harness Lead 9308294
Product currently unavailable
Part no. 9386604
BMW F40 F46 Mini F56 F60 Battery Holder Mount Tray Bracket Support Trim 9386604
Product currently unavailable
Part no. 8518168-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
Product currently unavailable
Part no. 7595179-7
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
Product currently unavailable
Part no. 02T911023M
Audi A3 8P 1.6 MPI Petrol Starter Motor Engine 02T911023M
Product currently unavailable
Part no. 4G0907553F
Audi RS6 C7 4G Air Suspension Module Regulation Control Unit WABCO 4G0907553F
Product currently unavailable
Part no. 9198760
BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Right O/S 9198760
Product currently unavailable
Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
Product currently unavailable
-10%
Part no. 6824108
BMW F30 LCI 330e Hybrid High Voltage EDH Wiring Cable Wire 6824108
Product currently unavailable
Part no. A2078210411-1
Centre Console Connector Mercedes W204 W207 USB Port Socket Trim A2078210411
Product currently unavailable
Part no. 7411595
BMW F10 F20 F30 Control Unit For Fuel Pump Module 7411595
Product currently unavailable
Part no. 1138730-1
On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
Product currently unavailable
Part no. 8794119
BMW F20 F21 F30 F31 LCI Professional Navigation Sat Nav Unit Head Unit 8794119
Product currently unavailable
Part no. A1638200726
Mercedes ML W163 Window Windscreen Rain Light Sensor Module A1638200726
Product currently unavailable
Part no. 8610635-2
BMW F31 F34 328i N20 245HP Engine Control Unit Module ECU DME 8610635 Automatic
Product currently unavailable
Part no. A0009063322
Alternator Generator Mercedes W176 W246 OM651 Diesel Engine 175A A0009063322
Product currently unavailable
Part no. 9309991
Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991
Product currently unavailable
Part no. 8588946-2
BMW X3 F25 20dX 190HP B47 Engine Control Unit ECU Kit DDE 8588946 Key CAS4
Product currently unavailable
Part no. A6461536579
Mercedes-Benz W203 W210 Sprinter W906 Glow Plug Relay A6461536579
Product currently unavailable
Part no. 7002532
BMW E46 E64 Driver Side Seat Wiring Loom Electric Harness 7002532
Product currently unavailable
-5%
Part no. 9266409
Gateway Module BMW F10 F11 Central Module Control Unit Lear ZGW-02 9266409
Product currently unavailable
Part no. A2105401830
Mercedes-Benz E-Class W210 Battery Positive Plus Cable Loom Harness A2105401830
Product currently unavailable
Part no. A2115408545
Gateway Module Mercedes W211 Control Unit ECU A2115408545
Product currently unavailable
Part no. 8X0959655A
Audi A1 8X Air Module Sensor Control Unit Module 8X0959655A
Product currently unavailable
Part no. 9352130
BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
Product currently unavailable
Part no. 7615981
BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
Product currently unavailable
-10%
Part no. 46859297
Citroen Relay III Air Module Sensor Control Unit ECU 12V 46859297
Product currently unavailable
Part no. 9673749980
Citroen Berlingo B9 1.6 HDI Diesel Engine Wiring Cable Harness 9673749980
Product currently unavailable
Part no. 9287218
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
Product currently unavailable
Part no. 7809941-5
BMW E60 LCI E90 M57N2 325d 525d 197HP ECU Kit DME CAS3 + Key 7809941 Automatic
Product currently unavailable
Part no. 9186177
BMW E60 E61 E65 E87 E90 Trailer Towing Control Module AHM 4R 9186177
Product currently unavailable
Part no. 7640005-3
Mini Cooper R55 R56 N12 1.6 120HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
Product currently unavailable
Part no. A6511400800-1
Mercedes Sprinter W910 ECU Bracket Control Unit Module Holder Mount A6511400300
Product currently unavailable
Part no. A2465400340-1
Mercedes W176 Fuse Relay Box Unit A2465400340 A2469067200
Product currently unavailable
Part no. 7640005
Mini Cooper R55 R56 R57 Petrol N12 DME 7640005 Engine Control Unit ECU
Product currently unavailable
-5%
Part no. 02M911023M
Volkswagen VW Golf Mk5 1.6 2.0 GTI Petrol Engine Starter Motor 02M911023M
Product currently unavailable
-10%
Part no. 8517727-3
Mini Cooper D R60 ALL4 112HP 1.6 N47N Engine ECU Kit DDE 8517727 + CAS3 + Key
Product currently unavailable
Part no. 4M0035456A
Audi A4 B9 Antenna Amplifier Aerial Control Module Unit 4M0035456A
Product currently unavailable
Part no. A2465405901
Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
Product currently unavailable
Part no. 6964051
CAS2 Module BMW E87 E90 CAS2 ECU Comfort Control Unit 61356964051 6964051
Product currently unavailable
Part no. A6399003300
Mercedes Vito W639 Parking Module PDC Distance Control Unit Sensor A6399003300
Product currently unavailable
Part no. 6940299
BMW E64 E85 Sensor B Pillar Air Module Unit Left N/S 6940299
Product currently unavailable
Part no. 8477121
BMW G01 G02 B47D Wiring Harness Engine Recuperation System Supply Module 8477121
Product currently unavailable
Part no. 03L903023-1
Audi A3 8V Diesel Engine Starter Alternator Electrical 14V 140A 03L903023
Product currently unavailable
Part no. 9289247
BMW F01 F02 F10 F11 CD Radio Head Unit CIC 9289247
Product currently unavailable
Part no. 6960218
BMW E65 Passenger Seat Air Module Sensor Control Unit SRS 6960218
Product currently unavailable
Part no. 7555926-1
BMW E60 LCI E81 E90 E91 Petrol Alternator Generator Bosch 180A
Product currently unavailable
Part no. 9273188
BMW E81 E87 E90 LCI Professional Navigation Car Radio Player CIC 9273188
Product currently unavailable
Part no. 2650917
Ford Transit Connect Engine Alternator Generator Unit Diesel KK3T-10300-BB
Product currently unavailable
Part no. A2045458201
Mercedes W204 Rear Fuse Box Relay SAM Control Unit Module A2045458201
Product currently unavailable
Part no. 7570488-5
Mini Cooper R50 R52 R53 W10 W11 1.6 Petrol Bosch Engine Starter Motor 0986018830
Product currently unavailable
Part no. 9367679
Screen Ring Mini F56 F60 Navigation Display Head Unit Trim Cover 9354397
Product currently unavailable
Part no. 7599881-15
BMW E87 LCI E90 E91 N43 120i 320i 170HP Engine Unit ECU DME 7599881 Manual
Product currently unavailable
Part no. 6904023
BMW E39 E46 Active Parking System Control Module Unit ECU PDC 6904023
Product currently unavailable
Part no. 9335347-1
Radio Player BMW F20 F21 F30 F31 CD DAB Head Unit Audio Player 9335347
Product currently unavailable
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 .