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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Fuse Box Mercedes ML W164 GL X164 Control Unit Module Relay A1645400272
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Head Unit BMW F20 F21 F22 F30 F31 LCI Sat Nav Radio Media Navigation 8708257
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COMAND Head Unit Mercedes CLA C117 W176 W246 Nav Sat Radio Player A2469000616
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Mini Cooper One R60 3 Footwell Light Module High EKS ECU PL3 FRM3R Lear 3456588
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BMW Mini Clubman R55 Cable Wiring Loom Splitdoor Door Rear Left N/S 9154347
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Mini Cooper One R55 R56 R57 Aerial Roof Antenna Base Unit Rod 3442107
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Mercedes Sprinter W906 Fuse Box Relay Electrical Rifle Box Unit A9065400350
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BMW 7 Series E65 E66 DVD CD Changer Multichanger Without Magazine 6967639
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Valvetronic Control Unit BMW X5 E53 E60 E61 E65 VVT Valvetronic Module 7510154
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Engine Wiring BMW F07 F10 F11 520d N47N Automatic Loom Harness Cable 8513830
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BMW E90 Radio Professional CD Audio Player Dash Control Unit 6983018
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Mini Cooper R55 Fuse Distribution Box PL3 SPEG H4 Control Unit Module 3456854
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Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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Mercedes W204 C180 Kompressor 271.952 156HP Engine ECU Kit A2711504879 Keys Lock
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BMW 5 6 Series E60 E61 E63 M-ASK Business Navigation System Controller 6944108
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Audi Volkswagen Seat Skoda 2.0 TDI Diesel Starter Motor Engine Bosch 02M911023P
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Mercedes W203 CD Media Player Radio COMAND Head Unit A2038700090
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BMW F20 F30 LCI 125d 325d B47 224HP Engine ECU Kit DDE 8598760 + FEM + 2 Keys
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BMW E81 E87 E90 E91 E92 Radio CD Player Professional 9150109
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Tailgate Lift Module BMW F31 F36 Mini F60 Trunk Control Unit Rear ECU 7481616
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BMW E87 E90 E91 118i 318i Petrol N46 ECU Kit Control Unit DME 7565300 CAS3 Keys
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BMW F40 F44 Air Module Control Unit ECU A1718204726
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BMW E87 LCI E90 320i N43 170HP ECU Engine Control Unit DME 7580279 Manual
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Fiat Alfa Lancia 4 Pin Red Relay Omron 1/11299/85 12V 30A 34F231002 SET
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BMW F15 F16 Body Domain Controller BDC Control Unit Module LR01 ECU 6825527
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay Unit BK3T-9K499-BBB
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BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
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BMW F10 M5 Active Sound Unit Control Module Design Amplifier 9287265
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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Renault Trafic 3 Captur 1 Vivaro B Radio Nav Head Unit Display Screen 281150198R
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BMW F20 F30 Mini F56 Diesel B37 B47 ECU DDE Engine Control Unit 8587952 Manual
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BMW X1 E84 E90 E91 Petrol Instrument Cluster Speedo Clocks Manual 9148027
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BMW E60 E61 E63 E64 Holder Bracket Engine Control Unit Support Box 6946358
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Part no. 7262947
BMW F07 F10 Headlight Ballast Module Unit Front AHL TFL 7262947
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Part no. 3448827-1
Mini Cooper One R55 R56 1 Radio Boost CD Player Head Control Unit 3448827
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BMW F01 LCI Footwell Control Unit Module Start Stop TEMIC FRM III 9312512
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Mini Cooper One R57 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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BMW E63 Light Control Unit Module LCM LM E6X DYN LWR LEAR 9112630
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Part no. A2075844181
Mercedes C207 Fuse Box Grouping Fuse Placement Map Card Diagram A2075844181
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Part no. A2479005709
Mercedes W177 W247 Electronic Control Unit Module Speedo Meter ECU A2479005709
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BMW G20 G21 G30 G11 X3 G01 X5 G05 Fuel Pump Control Unit Module ECU 7490824
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BMW 3 Series E92 Coupe Footwell Light Control Module Lear FRM3R PL2 9230450
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BMW E81 E82 E87 LCI E88 Engine N47S 123d ECU Kit DDE 7809002 CAS3 + Key Manual
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BMW 1 3 SERIES E87 E90 E91 Petrol N52 Wiring Loom Harness Engine Gearbox Module
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Mercedes W906 SAM Module Fuse Box Relay Control Unit Regulator A0009822223
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BMW F40 F54 Cover Battery Vehicle Trim 7290719
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VW Golf Mk8 Antenna Amplifier Rear Booster Boot Lid Tailgate Left N/S 5H6035577B
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Mercedes Relay Fuse Unit Module 4 Pins Grey A0045452905
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BMW E92 CarPlay Android Auto Retrofit Head Unit Infotainment CIC Set
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Part no. 8586766-2
Mini Cooper D F55 F56 B37 Diesel Engine ECU Kit DDE 8586766 BDC Key Automatic
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Part no. A6519064300
Mercedes W205 Diesel OM651 Engine Starter Motor Actuator Bosch A6519064300
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Part no. RHD-8T2035666E-3
Audi A4 B8 Multimedia Radio CD DVD Player MMI Head Unit 8T2035666E
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Part no. 6987689
Professional Navigation BMW E60 E61 CCC System Controller Control Unit 6987689
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BMW X5 Series E53 Cable Harness Door Front Right Left N/O/S 3.0i 4.4i SUV
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BMW i3 I01 Rex Hybrid Rear Bumper Diffuser Electric Fan Motor Unit 8608033
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BMW 1 3 5 Series E60 E87 E90 E91 120d 320d M47N2 ECU Kit DDE 7797217 CAS2 + Key
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BMW 5 Series E60 E61 LCI Seat Control Unit Backrest Adjustment 6938906
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BMW E60 Light Control Module Unit Lear LMF6X 9116260
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Part no. 4H4907357C
Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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Mercedes W176 A200d 651.930 136HP Engine Unit ECU A6519009702 Automatic
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Mercedes-Benz C W204 CDI Automatic Gearbox Control Module Unit ECU A0005454316
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Part no. 6944844
BMW Z4 Series E85 E86 Body Control Unit Module GM5 Star12 DELPHI 6944844
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Part no. DRIVETEC-72AH
DriveTec Heavy Duty 12V Accumulator Battery 72Ah 650A DM096
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Part no. 05064191AE
Chrysler 300C CD Player Radio Audio Navigation Head Unit 05064191AE
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Part no. 9393192
BMW F30 F31 F32 Top Hifi Audio System AMP Amplifier Harman Kardon 9393192
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Part no. 7588502-6
Mini One R55 R56 Petrol N12 95HP Engine Control Unit ECU DME 7588502 Automatic
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Part no. 9243667
BMW X3 F25 X4 F26 Rear Door Left Right N/O/S Wiring Loom Cables Harness 9243667
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Part no. 7533651-9
BMW E60 520i Petrol M54 170HP Engine ECU Control Module DME 7533651 Automatic
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Part no. 8709210-1
Body Control BMW F30 F35 F35 LCI BCM Comfort Module Unit BCM 8709210
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Mercedes W204 Front Left Right N/O/S Seat Wiring Loom Cable Harness A2045401706
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Part no. 8512407-1
BMW X5 E70 LCI X6 E71 30dX Diesel N57 245HP ECU Kit DDE 8506570 + CAS3 + Keys
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Mini Cooper S R56 LCI N18 1.6 184HP ECU Kit DME + CAS3 + Keys 7648190 Automatic
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BMW 3 Series E46 Radio Business Cassette Player 6915709
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BMW E60 E61 CCC CD Professional Navigation Controller 6953773 SPARES OR REPAIR
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YUASA YBX 3000 12V Accumulator Battery 76Ah 680A YBX3086
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Part no. 9666967777
Citroen C4 CD Player Radio Audio Head Unit 9666967777
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Audi A3 8V 1.5 TSI DPCA Engine Module Control Unit 05E907309H Manual
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Mercedes W212 Fuse Box Rear SAM Relay Control Unit Module A2129003922
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Part no. A2469009413
Control Unit Mercedes W176 W246 Body Control Module ECU A2469009413
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BMW G20 Roof Antenna Telematic GPS Module Control Unit ECU 5A4B459
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BMW E92 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Mercedes W169 W245 CD Player Radio Stereo Head Unit A1698705494
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BMW 1 2 Series F20 F21 F22 LCI Battery Cable Lead Positive Underfloor 9348761
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BMW X5 E53 3.0d M57N 218HP ECU Engine Unit Kit DDE 7800131 EWS3 + Key Automatic
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Mercedes R172 OM651 Starter HV Battery Wiring Harness Cable Loom A1725403505
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Mini Cooper F54 Body Control Comfort Unit Module BCM Unit ECU 5A5E6B5
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JAGUAR XF250 Electronic Parking Brake Module Handbrake Control 8W83-2C496-AB
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BMW 3 5 7 F30 LCI G11 G30 Hybrid High Voltage Battery Safety Box 7,6 kWh PHEV
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BMW 1 Series E87 ECU Body Control Module Unit PL2 JBBFE L2 6964597 61356964597
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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BMW Z4 E89 Head Unit Stereo Professional Navigation System Computer CIC 9214939
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Mercedes SLK R171 Microphone Hands Free System Interior Mic Unit A1718201635
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Mercedes 12V Accumulator Battery 74Ah 680A A0009823108
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Part no. 9193748-1
BMW E60 E63 On-board Navigation Display Monitor Dashboard Screen 6,5" 9193748
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Keys
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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 .