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. 3455242-1
Mini Cooper Cabrio R57 High SPEG PL3 DC/DC H5 Fuse Distribution Box 3455242
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BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver-Side 6922265
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Mercedes W176 W246 Power Relay Control Module 5 Pin 12V A0009828323 Set X2
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BMW F45 F46 Mini F60 Sensor For Pedestrian Protection PTS Control Unit 9354289
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Renault Master III DCI Alternator Support Bracket Mount 117103585R
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Audi A5 S5 8T Door Module Control Unit Front Passenger Side 8T0959792J
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Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
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BMW E90 Max Brose Footwell Light Module Control Unit FRM3R 9263803
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Nissan Primastar X83 Alternator Generator Engine Unit 8200206251
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Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual
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BMW X3 X5 E53 E83 Front Seat Adjustment Actuator Drive CRH 1-1968-01
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BMW X5 E53 E60 E65 X3 E83 Adaptive Headlight ECU Control Unit Module 6934837
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Mercedes Sprinter W906 Door Module Front Right O/S Control Module A9069006100
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Headlight Control Module Mercedes W207 W212 Unit A2129008224
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Mercedes W166 Switch Rotary Selector Controller Navigation Radio A1669003501
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Audi A3 8P Alternator Main Cable Wiring Harness Loom 1K0971349FL
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Mercedes W164 W204 Fuel Pump Module Control Unit ECU Petrol A2215401601
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Peugeot 207 CD Player Radio Stereo Head Unit 96643697XT00
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BMW E81 E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7811701 CAS3 + Key Manual
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BMW E87 LCI Light Module NSW LCM Footwell Module PL2 FRM II 9166707
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BMW E81 E82 E87 LCI N47S 123d Engine Control Unit DDE 7809002 Manual
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Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Mercedes Sprinter W906 Fuse Box Relay Module Control Unit A9065454401
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BMW 1 3 Series E87 LCI E90 E91 N47 DDE 7811701 Engine Control Unit Diesel ECU
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BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
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Audi Q7 4L Bluetooth Module Multimedia Control Unit ECU 4E0035729A
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VW Polo Petrol Engine Control ECU Manual Siemens 5WP1630440 03E906033
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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Part no. 7638322-1
Mini Cooper R56 LCI N16 1.6 122HP Petrol Engine ECU Kit DME 7638322 + CAS3 + Key
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Mini F55 F56 F57 Central Cover Information Instrument Radio 9354393
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Audi A4 B8 3.0 TDI CAPA Diesel Starter Motor 059911021C
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BMW E60 LCI E61 Map Fuse Box Grouping Diagram Card 9156547
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005908
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Mercedes W166 W205 W212 Rear Bumper Blind Spot Radar Sensor Module A0009058802
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Mercedes-Benz E-Class W210 S210 Battery Cable Box Connector Right A2105460241
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511502900
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Audi A7 4G8 BCM Body Control Module Unit ECU 4H0907063DH
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Mercedes V251 Gateway Module Control Unit ECU A1645407901
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Part no. 9812535
Mini Cooper Countryman R60 Fuse Distribution Box Module 9812535
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Mercedes W251 R 350 CDI 642.950 224HP Engine Unit ECU Kit A6421508100 Key Lock
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BMW E60 E61 E65 E87 E90 Trailer Towing Control Module AHM 4R 9186177
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Diversity Antenna Amplifier Mini F57 Convertible DAB Module Unit 9309991
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Part no. 3452677-1
Mini Clubman R55 Footwell Light Module High EKS ECU PL3 FRM II 3452677
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Part no. 6913080
BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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BMW F22 F23 Active Front Bumper Sensor Pedestrian Protection Unit 9196020
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VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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BMW 7 SERIES E65 E66 E67 Loudspeaker Box Right O/S 6907646
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BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9196669
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Radio MP3 Player Renault Trafic Vauxhall Vivaro Head Unit Bluetooth 281155093R
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BMW E60 LCI 530d X5 E70 3.0d M57N2 235HP Engine ECU KIT DDE 8509035 CAS3 + Key
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Display Screen Mini F55 F56 F60 Multimedia Navigation Sat Nav Unit 6,5" 8803370
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Mercedes W176 Front Crash Impact Airbag Sensor Pressure Sensor Unit A1769051000
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Mercedes SLK R171 Stereo Radio CD Player Head Unit A1718200786
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Mercedes SLK R171 Fuse Box SAM Relay Control Unit Module A1715450101
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 136HP ECU Kit A6519009402 Key
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Audi S3 8V Module BCM Body Control Unit Module ECU 5Q0937084CP
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BMW F11 Touring Trunk Lid Rear Reversing Camera Cable Wiring 9240351 9182930
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Mercedes R171 Front Module Door Left N/S Control Unit A1718200726
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Alternator Mercedes Sprinter W906 Diesel OM646 Engine Alternator A6461540002
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Part no. A2115456532
SAM Module Mercedes W211 C219 Front Body Comfort Control Unit ECU A2115456532
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Part no. a2469004716
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469004716
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Part no. 6G9T-14D572-LA
Land Rover Freelander 2 Fuse Box Body Control Module ECU BCM Unit 6G9T14D572LA
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BMW Mini Cooper One R50 R52 Intake Silencer Air Filter Box 1477831
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BMW X3 E60 E61 E83 PDC Parking Ultrasonic Sensor Rear Montegoblau Blue A51
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Radio Business CD BMW E81 E82 X1 E84 E87 E89 E90 E91 E92 Radio 9177209
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Mini Cooper R55 R56 R57 Harman Kardon HiFi Stereo Audio Speaker Set
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Part no. 9203081-2
BMW 5 Series E60 LCI Light Control Unit Module LEAR LM II E6X LWR 9203081
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BMW X5 Series E53 Electrical Power Distribution Fuse Box 6907395
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BMW E93 Convertible Rear Bumper PDC Cables Wiring Loom Set 9133625
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Renault Trafic 3 Vauxhall Vivaro B 1.6 DCI Glow Plug Relay Unit Black 8200798585
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BMW F10 LCI F20 F21 F30 F31 DAB Bluetooth Head Control Unit Basic Module 9399431
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BMW E60 E61 CCC CD Professional Navigation System Controller 6949171
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Vauxhall Opel Insignia A 2.0 CDTI Alternator Engine Genarator 13579668
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BMW E60 E63 E64 On-Board Navigation Monitor Display Screen 6,5" 9145103
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Mercedes W204 Fuse Box Relay Control Unit SAM Module A2049000600
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Audi A5 8T Multimedia Radio Sat Nav Screen Display Head Unit 8R0919604A
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Distance Radar Module Mercedes GLE W166 C292 Control Unit A0009059906
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BMW 3 Series E92 LCI Headlight Inner LED Module Unit 1301328884 1307329329
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Mini R50 R52 R53 6-Disc CD Changer Multichanger with Magazine 6946989
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Audi Q7 4L Door Control Module Unit ECU Rear Left Right N/O/S 8K0959795B
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802F
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Mercedes W169 W639 COMAND Navigation Head Unit Radio Sat Nav Screen A1699007900
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Audi A4 B7 2.7 TDI BPP Diesel Engine Alternator Generator 059903023BX
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BMW 1 3 Series E81 E87 E90 Business Navigation M-ASK System Controller
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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Mercedes CL C216 W221 S500 Air Pneumatic Suspension Control Module A2215407962
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Radio Player BMW F20 F21 F30 F31 CD DAB Bluetooth Head Unit Audio Player 9326010
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Part no. 9226347
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
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Head Unit BMW F20 F21 F30 Radio Professional CD Player Control Module 9310455
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BMW F45 X1 F48 Mini Cooper F55 F56 F60 Diesel Engine Starter Motor 8581788
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Mini Cooper One F54 F55 F56 F60 ECU Body Domain Controller BDC Module 9369635
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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 .