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. 3457526
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457526
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BMW F12 F13 X5 F15 Suspension Control Module VDC Control Unit 6883149
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BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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BMW 3 5 X3 Series 3 E46 E60 E65 E83 M54 Petrol Starter Motor 2354693
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Electronics Charging Module BMW E81 E87 E90 Hands Free Charging MULF 6969268
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Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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BMW E93 E64 Convertible Rollover Control Controller Module 9179400
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Mercedes W246 Airbag Belt Locking Retractor Control Unit Module A2469006018
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BMW E60 LCI E87 E90 120d 320d 520d N47 177HP ECU KIT DDE 7811700 CAS3 Key Manual
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Battery Cable Mercedes W176 W246 Negative Lead Wiring Harness A2465406432
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BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
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BMW X5 E70 LCI 40dX N57S 306HP Engine ECU KIT DDE 8512411 CAS3 Key Automatic
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BMW F45 F46 F55 F60 B37 B47 Engine Starter Motor 8581788
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Mercedes ML W164 W251 Fuse Box Relay Module Control Unit A1645403572
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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On-Board Screen BMW F10 F11 LCI Central Information Display 10,25" 9321016
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key
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Mercedes W166 Seat Fuse Relay Junction Box Block A1665402150
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Mercedes W211 Central Gateway Module Control Unit A2115405645
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Mini Cooper F56 B38 1.5 136HP Petrol Engine ECU Kit DME 8655106 BDC + Key Manual
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BMW 1 Series E81 Footwell Light Module Control Unit ECU NSW PL2 FRM II 9197175
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962
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BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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Peugeot 307 3008 1.6 HDI Negative Battery Terminal Cable Wiring 9676811880
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BMW 3 5 Series E39 E46 Positive Battery Terminal Cover Cap Red 8375653
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BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006
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BMW 7 Series E65 E66 Dashboard Dash Sun Solar Sensor Speaker Cable 6910381
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Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038206426
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Volkswagen Polo 6C Starter Motor Actuator 1.4 TDI Diesel Engine 02Z911021C
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Part no. 7545789-3
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7545789 + EWS + Key Automatic
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Mercedes W204 C207 W212 Earth Ground Cable Transmission To Body A2045407335
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Part no. 7811111-2
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7811111 + EWS + Key
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BMW E90 E93 325i E60 LCI 525i N53 218HP ECU Kit DME CAS3 + Key 7586940 Automatic
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Part no. 7810980-3
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Keys
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Part no. 8K0907144E
Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 8709339
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Audio Amplifier BMW F20 F21 LCI Mini F55 F56 Top Hifi Harman Kardon Unit 9390018
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BMW F25 F26 35dX N57Z 313HP Diesel Control Unit Module ECU DME 8586536 Automatic
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Audi A7 4G 3.0 TDI Fuel Pump Sender Control Relay Module Unit ECU 4G0906093H
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BMW 5 Series E61 Body Gateway Module KGM LOW LEAR 9133144
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BMW F80 M3 F82 F83 M4 S55 431HP Engine Unit Module ECU DME 8642252 Drivelogic
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Audi A6 C7 Ignition Smart Key Fob Lock Remote Alarm Button Control 4G0959754K
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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Peugeot 307 CD Player Radio Stereo Head Unit 96766518XT00
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Renault Trafic Scenic 1.9 DCI Diesel Starter Motor Valeo 8200628419
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BMW 1 Series E81 NSW ECU Light Module Footwell Module PL2 FRM II 9175650
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Mercedes W221 Bluetooth Hands-free Mobile Phone Adapter A2218201811
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Part no. 1480790
Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469002718
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Mercedes-Benz W202 C208 W208 Control Unit Bracket Holder Boot Trunk A2025458440
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Part no. 7543083-1
BMW 1 3 5 E60 E61 E87 E90 E91 N52 WAI Alternator Generator 155A 11077N
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Part no. 8658275
Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
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Part no. 3455436
Mini Cooper One R55 R55N LCI High PL SPEG H4 Fuse Distribution Box 3455436
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BMW E88 E90 E92 Switch Cluster Steering Column Indicator Wiper Stalk
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Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
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Mercedes A207 Convertible Roof Reinforcement Roll Bag Airbag Module A2079012700
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Mercedes W169 PDC Parking Distance Control Unit Module Rear A1695450632
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BMW F01 F10 F12 Sat Nav Infotainment Radio Player Head Unit CIC 9257008
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Mercedes GLC X253 Electronic Module ECU Control Unit A2059005351
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Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Mercedes W221 Fuse Box Front Relay Control Unit Base Module A2215450001
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Part no. 7638194-1
BMW F20 F21 F22 F30 F31 N20 N26 N55 Petrol Engine Starter Motor 7638194
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Mercedes W212 E350 CDI OM642.850 Engine Control Unit Module ECU A6429002900
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BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU
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Audi A4 B8 A5 8T 2.0 TDI Diesel Engine Starter Motor Assembly Unit 03L911024A
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Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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Mercedes W211 Gearbox Module Transmission Control Unit A0355451532
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Part no. 06F903023J
Audi A4 B7 Alternator Generator 2.0 TDI BRE Engine 06F903023J
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Audi Q3 8U PDC Parking Assistance Control Module Unit ECU 8X0919475M
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Mercedes W204 Navigation CD Player Radio Stereo Sat Nav Head Unit A2049069801
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Audi A4 B7 A6 C6 Motor Starter Unit 2.0 TDI Diesel Engine 03G911023
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Fuse Box Mercedes W204 W212 Front Relay Control Unit Module SAM A2129003814
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BMW 3 5 Series E46 F30 G30 G31 Battery Cable Negative Cable Minus Cable 8386674
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Relay Mercedes W166 Voltage Dip Protection Start/Stop Relay Module A0009820123
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Part no. 7233914
BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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Mercedes C253 Electronic Control Unit Module A2539003001
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Mercedes W205 C253 W257 Door Module Front Left N/S Control Unit ECU A1679002718
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BMW 5 6 E60 LCI E63 Radio CHAMP Business Player System Controller 9192680
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Starter Motor Mercedes W204 W212 OM651 Diesel Engine Starter NAPA A6519062300
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BMW X3 Series E83 Wiring Passenger Side Loom Front Door Cables 3427751
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Mini Cooper R55 R56 R57 Mitsubishi Engine Alternator Generator Petrol 7576921
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BMW E87 E90 N46 118i 318i 129HP ECU KIT DME CAS2 + 2 Keys 7561834 Manual
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Mercedes A209 CLK200 K M271.955 Engine Control Unit ECU Kit A2710107344 Key
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BMW E60 E61 Body Gateway Control Module Unit KGM HIGH Lear 9133143
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BMW X6 Series E71 Aerial Antenna Amplifier Diversity 868 MHZ 9130157
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Mercedes SLK R171 Front Bumper Parking Sensor PDC Wiring Harness A1715403832
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Audi Q2 GA Diesel Engine Alternator Generator Assembly Bosch 04L903024T
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BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
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Part no. 7570487-1
Mini Cooper One R50 R52 W10 Engine Starter Motor 7570487
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Part no. 7537804-1
BMW Z4 Series E85 Roadster 2.2i M54 170HP ECU Kit DME + EWS3 + 2 Keys Manual
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Part no. 7615981
BMW Mini Cooper R56 LCI R60 R61 Petrol N16 DME Engine Control Unit ECU 7615981
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Part no. 3452226
BMW X3 Series E83 LCI Wiring Harness Engine Gearbox Module 3452226
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Part no. 7565300-4
BMW E87 E90 N46 120i 320i 150HP Engine Control ECU DME 7565300 Manual
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AUDI A8 4E S8 D3 CD Changer Control Module 6 CD unit 4E0057110C
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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Part no. 7811701-4
BMW E87 LCI E90 118d 318d Diesel N47 Diesel ECU KIT DDE 7811701 + CAS3 + Key
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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 .