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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Mini Cooper R55 R56 R57 LCI Radio Boost CD USB Bluetooth Head Unit 3456515
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Display Screen BMW F20 F21 F22 Central Information Infotainment 8,8" 9387548
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Mercedes V177 Multi-Purpose Windscreen Camera Control Unit Module A2479003108
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Mercedes CL203 CLC 350 M272.960 272HP Engine Module ECU Kit A2721531291 2 Keys
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Mercedes W212 Front Bumper PDC Wiring Parking Sensor Loom Harness A2124403758
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BMW F20 F21 LCI 116d ed B37 116HP Engine ECU Control Unit DDE 8589141 Manual
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Mercedes Sprinter W907 Body Control Module Control Unit BCM V2 ECU A9079005405
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BMW E60 E61 LCI 520d Diesel N47 177HP Engine ECU Kit DDE 8506199 CAS3 Keys
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VARTA RAC Accumulator Battery 85Ah 800A 12V RAC004
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Audi A3 8P Door Wiring Front Right O/S Harness Loom Cable 8P4971035L
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BMW E60 E61 530i M54 231HP ECU Kit DME 7533651 + CAS2 + 2 Keys Automatic
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Engine Control Unit Peugeot Partner B9 Module ECU 9HN 1.6 Diesel 9807885980
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Rain Sensor Mercedes W204 Light Control Unit Front Windscreen A2048704926
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Mercedes CLK C209 Rear Body Control Module Unit BCM ECU A2098205226
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BMW E46 Petrol Engine Starter Motor 1,4kW 7505979
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Left N/S 1T0971557AJ
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Alternator Generator BMW E60 E61 E81 E87 LCI E90 E91 E92 E93 Petrol 180A 7550469
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Mercedes W203 W211 C209 M271 Petrol Alternator A2711540802
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Mini Cooper One R50 R52 Petrol W10 Compact Alternator RTX 7515029
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BMW E88 ECU Footwell Light Module Control Unit PL2 FRM II Lear 9197161
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Mercedes GLE W166 Wiring Harness Automatic Gearbox Cable Loom A1664403436
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Iveco Daily Towing Tow Bar Trailer Hook Module Control Unit 69502354
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BMW 3 5 Series E60 LCI E90 325d 525d M57N2 ECU Control Unit Basic DDE 7809941
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BMW X1 E84 ECU Footwell Light Module BASIS PL2 FRM3R Lear 9230451
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BMW F25 F30 F31 20iX 320iX Petrol N20 184HP Engine Control Unit ECU DME 8610635
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BMW E82 Footwell Light Control Unit Module ECU FRM3R PL2 Lear 9224590
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Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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BMW E90 E91 LCI N47N 316d 116HP Engine ECU Kit DDE 8510832 + CAS3 + Key Manual
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BMW X3 E83 2.0i N46 150HP Engine ECU DME 7561834 Manual
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Part no. 7811151
BMW E60 LCI E90 325d 525d M57N2 ECU Engine Control Unit DDE 7811151 Automatic
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Mini Cooper D R56 Diesel W16 1.6 109HP ECU Kit DDE 7809794 CAS3 Key Automatic
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PDC Module Audi A3 8V Q2 GA VW Crafter PDC Assist Control Unit 5QA919294
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Tailgate Control Module BMW X5 F15 F31 X2 F39 F45 Mini F60 Boot Trunk 8739659
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Right Connections Electronic CAN Bus Trailer Module Control Unit 12V SP343ZZC
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Mini R50 R52 R53 Steering Wheel Horn Switch Right O/S 6800903
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Part no. 9897880-3
Mini Cooper S F55 F56 B48C 192HP Petrol Engine Unit ECU DME 9897880 Manual
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Fuse Box Mercedes SLK R171 Roadster SAM Relay Box Control Module A1715451701
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Seat EXEO PDC Parking Sensor Distance AID Module Control Unit ECU 3R0919475
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BMW F20 F30 116i 316i N13 136HP Engine ECU Kit DME 8625241 FEM Key Manual
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MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397
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Audi A4 B7 Stereo Radio Audio Head Unit CD Player 8E0035186AK
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Parking Ultrasonic Sensor Mini R50 R52 R53 PDC Unit Sensor Rear Pure Silver 900
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Part no. 7640132-2
Alternator BMW F20 LCI F30 Mini F56 F60 Alternator Generator DENSO 180A 7640132
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BMW F07 F10 F11 Xenon Headlight Control Module Lear TMS 7269531
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BMW X5 E53 3.0d M57 184HP ECU Kit Control Unit DDE 7789376 EWS3 + Key Automatic
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Mini Cooper S R56 LCI R60 N18 1.6 184HP Engine ECU Kit DME 7620985 Automatic
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Part no. 9175652-1
BMW E88 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9175652
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BMW X3 E60 E61 E83 Front PDC Parking Distance Sensor Le Mans Blau - 381
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BMW Mini Countryman R60 Footwell Light Module High EKS ECU PL3 FRM3R 3457528
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Blind Spot Sensor BMW F40 G20 G21 G30 G31 Radar Range Module SRR-01 Rear 7915643
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Mini R57 Convertible Fuse Distribution Box Relay Board SPEG 3455443
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BMW E93 LCI Convertible Light Module Footwell Module PL2 FRM3R Lear 9308366
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BMW 5 Series E61 LCI Light Control Module Unit Lear LM II E6X LWR 9180756
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Mercedes W164 Trunk Hatch Open Lift Module Control Unit ECU A1648701126
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Mercedes AGM Accumulator Battery 92Ah 850A 12V Varta A0019828208
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BMW F01 LCI F10 F12 High Voltage Battery Charging Unit Module BCU 150 9240236
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VW Volkswagen Phaeton 3D BCM Body Comfort Control Unit Module ECU 3D0959933F
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Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G
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Engine Wiring BMW F20 F30 F31 LCI B38 Loom Module 2 Harness Cable 8635808
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Mercedes W906 314 CDI OM651 143HP Engine Unit Module ECU Automatic A6519003403
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Part no. 5H0919605B
Volkswagen GOLF CD1 Multimedia Display Screen Radio Sat Nav Head Unit 5H0919605B
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Part no. 8578609
BMW F20 F21 F30 F31 Diesel Alternator Generator 180A 8578608 8578609
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Part no. 1393415-3
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
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Mercedes-Benz A-Class W168 Sensor Mat Seat Occupation Recognition A1688207310
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Part no. 1320587A
WEBASTO Thermostat Control Unit 12/24V 1320587A
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Mercedes W204 COMAND Navigation CD Player Radio Sat Nav Head Unit A2049005212
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Mini Cooper S R56 LCI N18 1.6 184HP Engine Control Unit ECU DME 8610006 Manual
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BMW F30 Kafas Camera Module Based Drive Support Lane Assist Control Unit 9316923
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Ford Focus MK2 Mondeo MK4 1.8 TDCI Glow Plug Wiring Loom Cable Wire 4M5Q6M091AB
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Part no. 6831173
Mini F60 Front Door Harness Loom Cable Wiring Left Right N/O/S 6831173
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Part no. 9813620
MINI Countryman R60 Control Unit Fuse Distribution Box SPEG High 9811672
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BMW X5 E60 E61 E63 E64 E70 Control Unit Module Passive Go 9134707
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BMW E60 E61 E63 E64 Power Distribution Fuse Relay Box Rear 6906588
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BMW E60 Light Control Unit Module LM E6X Lear 6948578
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Mercedes W176 A180 CDI OM607 109HP BlueEFFICIENCY Engine Unit ECU A6079002200
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BMW 5 7 Series E61 E65 Module Control Unit Trunk Lid Rear Tailgate Lift 6939481
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BMW X5 Series E53 GM III General Body Control Module Unit ECU Lear 6940923
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BMW E87 E90 118i 318i N46 Engine Control Unit Module ECU DME 7561834 Manual
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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VARTA Accumulator Battery 105Ah 900A 12V Silver Dynamic AGM
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Mini Cooper S R56 R57 LCI N18 1.6 184HP ECU Engine Control Unit DME 7620985
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Positive Cable BMW Z4 E89 Convertible Battery Plus Pole Power Red 9249103
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Mercedes W203 C118 M271.946 143HP Engine Control ECU A6121536379 Automatic
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BMW E60 M5 Light Control Module Unit Lear LM E6X Lear 9112629
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Part no. 7641003-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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BMW 1 X1 Series E81 E84 E87 RR1 Battery Lead Cable Negative IBS 6948335
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Part no. GV6112A650KA
Ford Transit Connect MK2 1.5 TDCI 101HP Engine Unit ECU GV6112A650KA Manual
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Part no. 03C903023F
Volkswagen New Beetle 1.4 TSI Petrol Engine Alternator Motor 14V 110A 03C903023F
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Audio Amplifier HiFi BMW E87 E90 Top Sound System Control Unit 9177752
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Part no. 6923945-1
BMW 5 6 Series E60 E60N E61 E61N E63 Terminal B Point Engine Compartment 6923945
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Part no. A2129003922
Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
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Part no. 6941416
BMW 5 6 Series E60 E61 E63 E64 6-disc Compact CD Changer 6941416
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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 .