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. 2622605
Telematics Module BMW F20 F21 Bluetooth Teleservices GPS Control Unit 2622605
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KaFAS Camera BMW G11 LCI G20 F40 Front Windscreen Camera Module 9871906
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Renault Master 3 2.3 DCI M9T Engine ECU Kit 237105093R USM 2 Keys Lock Manual
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Alternator Generator Peugeot 207 Diesel 12V Electrical Unit 9646321780
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Parktronic Mercedes Sprinter W901 W903 Front Bumper PDC Wiring Loom Harness
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BMW F30 LCI 320d ed B47 163HP Engine ECU Kit DDE 8591073 FEM + Key Manual
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Audi A8 4E S8 D3 Head Unit Interface Control Module 4E0910732A
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Peugeot 3008 1.6 HDI Diesel Engine Wiring Cable Loom Harness 9678303780
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Part no. 5WA959436Q
Audi S3 8Y Keyless Entry Control Module Unit ECU 5WA959436Q
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Audi A6 C6 CD DVD Navigation Sat Nav Head Unit 4F0035769B
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Part no. 9131710
BMW E60 M-Audio CD Radio Player Head Unit Professional 9131710
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Part no. RHD-8X2971030M
Audi A1 8X Front Passenger Door Wiring Harness Loom Cable Left N/S 8X2971030K
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Part no. 7429125
Headlight Module BMW F36 Headlamp Control Unit FLE2 MAX 7429125
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Part no. 8506374
BMW E60 E87 E90 120d 320d 520d N47 ECU Engine Control Unit DDE 8506374 Automat
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Part no. 7011612
BMW 7 Series E65 E66 E67 Centre Console Coinbox With Vent Storage Compartment
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Part no. 4G8959760
Audi A6 C7 Front Seat Control Module Unit Right O/S 4G8959760
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Part no. 8518168-1
BMW E81 E82 E87 LCI E88 123d Engine N47S ECU Kit DDE 8518168 CAS3 + Key Manual
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Part no. 8K5907357B
Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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Part no. 7521116
Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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Part no. 7806976-6
BMW E70 E71 3.0d M57N2 235HP Engine Control ECU KIT DDE 7806976 CAS3 Key
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Part no. A0048270345
Multimedia Module Mercedes W204 Ipod Connection Interface Unit A0048270345
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Part no. 7579142-4
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU Kit DME 7579142 CAS3 Key Manual
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Part no. 8509036-1
BMW E60 E63 LCI E90 335d 535d 635d M57N2 286HP Engine ECU DDE 8509036 CAS3 Key
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Part no. 8K5907589
Audi SQ5 8R 3.0 TDI CGQB Quattro 313HP Engine Control ECU 8K5907589 Automatic
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Part no. 9166708
BMW E90 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Part no. 9130879
BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
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Part no. 6962284
BMW 1 Series E87 ECU Body Control Module Junction Box H2 6962284
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Part no. 8XA959655
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655
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Part no. BK3T-11000-CB
Starter Ford Transit MK8 Custom V363 2,2 Tdci Starter Motor BK3T-11000-CB
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Part no. 6827064
BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 9313044
Hifi Amplifier BMW F06 F12 LCI F13 LCI System Sound System Module 9313044
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Part no. A2139005213
Mercedes W213 Door Control ECU Module Front Left N/S A2139005213
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Part no. 7601799
Earth Ground Cable BMW X3 F25 Battery Cable Engine Wiring 7601799
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Part no. A6089060100
Starter Mercedes W177 W247 C118 1.5 OM608 Diesel Starter Motor A6089060100
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Part no. 6949628
BMW 5 7 Series E60 E65 E66 Sunroof Sliding Roof Window Drive Unit Motor
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Part no. 9233036
PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Imperial Blau Blue A89
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Part no. A2069008015
Mercedes W206 Front Windscreen Windshield Lane Assist Camera A2069008015
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Part no. 6827064-4
BMW Z4 E89 Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Part no. 7806987-1
BMW 3 5 Series E60 LCI E90 E91 325d 525d M57N2 ECU Kit DME CAS3 + Key 7806987
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Part no. 7595179-17
BMW E87 LCI E90 N43 118i ECU Control Unit Kit DME 7595179 CAS3 + Key Automatic
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Part no. A1645407662
SAM Module Mercedes Ml W164 Fuse Box Front Relay Control Unit A1645407662
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Part no. A2709002100-6
Mercedes W176 W246 A180 B180 270.910 122HP Engine ECU Kit Key Lock A2709002100
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Part no. 8843415
BMW G20 G21 G30 G12 LCI X3 G01 Cell Module Control Unit 8843415
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Part no. rhd-7543500-1
BMW E65 750i Petrol N62N 367HP ECU Kit DDE 7794058 CAS / ZAS Key Automatic
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Part no. rhd-7527418
BMW 7 Series E65 730i Petrol M54 Engine Wiring Loom Harness Automatic 7527418
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Part no. 9664843780
Peugeot Partner 1.6 HDI 9H03 Engine Control Unit ECU EDC 9664843780 Manual
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Part no. 8E0971687L
Audi A4 B7 Door Harness Loom Cable Wiring Rear Left Right N/O/S 8E0971687L
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Part no. 6881597
BMW M3 F80 LCI VDC Controler Adaptive M Suspension Mode Control Module 6881597
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Part no. A2116842518
Mercedes-Benz E-Class S211 Trim Cover Battery Anthracite A2116842518
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Part no. 6913080
BMW E46 Passenger Front Door Wiring Loom Cable Harness 6913078 6913080
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Part no. 7841981-1
BMW E90 E92 E93 M3 Engine S65 420HP ECU Kit DME 7841981 + CAS3 + 2 Keys
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Part no. 51984359
Fiat Doblo 2.0 Multijet Diesel Engine Starter Motor 51984359
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Part no. 281154729R
Renault Master 3 Radio CD Player Bluetooth Head Unit USB MP3 281154729R
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Part no. 5H0907383D
Audi Q2 GA Towing Hitch Trailer Hook Module Control Unit 5H0907383D
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Part no. 9671135480
Peugeot 308 1.6 HDi Diesel Engine Wiring Cable Loom Harness 9671135480
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Part no. 6862758
BMW F21 Crush Control Air Module Unit ICM Plus ECU 6862758
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Part no. A6511507386
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Part no. A6519000603-2
Mercedes W205 C220d 651.921 170HP Engine Unit ECU Kit A6519000603 Key SAM
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Part no. A2115402105
Battery Cable Mercedes W211 Starter Alternator Wiring Harness A2115402105
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Part no. 7644747
BMW F10 F11 F30 Petrol N20 ECU DME Engine Control Unit Module 7644747 Manual
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Part no. 04L907445G-1
Audi A3 8V 1.6 TDI DGTE 115 HP Engine ECU Kit Ignition + Key 04L907445G Manual
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Part no. A2115454201
Mercedes W211 Front Fuse Box SAM SRB Module Relay Control Unit A2115454201
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Part no. 7640005-5
Mini One R55 R56 N12 1.4 95HP ECU Kit Engine DME 7640005 CAS3 + Key Manual
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Part no. 6950525-2
4 x BMW E63 E64 E93 Alarm System Module Sensor DWA Control Unit Set 6950525
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Part no. A2115410001
Mercedes-Benz W169 W204 W207 Auxiliary Additional Backup Battery A2115410001
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Part no. rhd-8507748
BMW X1 Series E84 18dX N47N Diesel Wiring Harness Engine Module DDE 8507748
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Part no. rhd-A2105402124
Mercedes-Benz E-Class W210 Electrical Fuse Relay Box Storage Trim A2105402124
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Part no. 3420482
BMW X3 E83 Ground Earth Cable Battery Wiring 3420482
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Part no. 03G906021PM
Volkswagen Golf 5 1.9 TDI 105HP BXE Engine Control Unit ECU Manual 03G906021PM
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Part no. 9358616-1
BMW Varta VRLA / AGM 12V Accumulator Car Battery 90Ah 900A 9358616
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Part no. 06K907425B-5
Audi S3 8V 2.0 TFSI CJXC 300HP Quattro Engine ECU Kit 06K907425B Ignition + Keys
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Part no. 9350995
BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Part no. 9110621
BMW 3 Series E90 E92 LCI Suppression Filter for Antenna 9110621 652 9110621
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Part no. A6519007500-25
Mercedes W204 C250 CDI 651.911 204HP Engine Unit ECU Kit A6519007500 Automatic
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Part no. 9125894
BMW E65 E66 CD Audio System Controller Player MD 9125894
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Part no. 8N0937557
Audi TT 8N Tray Cover Battery Fuse Box Power Distribution 8N0937557
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Part no. 6832695
Mini Clubman F54 Battery Cable Negative Terminal Wiring 6832695
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Part no. 7567362-4
BMW E92 325i N52N 218HP ECU Control Unit Kit DME 7567362 CAS3 + Key Manual
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Part no. A0005456816
Mercedes W212 Transmission Control Unit Module VDO EGS53 722.618 A0005456816
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Part no. 7575575
BMW EXIDE AGM 12V Accumulator Battery 90Ah 900A 7575575
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Part no. 6920447
BMW 5 7 Series E60 E61 E65 E66 Seat Control Module Unit ECU 6920447
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Part no. 02E911023J
Audi TT 8J Petrol Engine Starter Motor 2.0 TFSI BWA 02E911023J
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Part no. 9123038
BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038
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Part no. A1699010100-1
Fuse Box Mercedes W169 W245 Sam Control Module Unit ECU A1699010100
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Mercedes R171 SLK350 Kompressor M272.963 Engine Control Unit ECU A2721533279
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Part no. 7586134-3
BMW Mini Cooper S R56 N14 1.6 174HP ECU Kit DME + CAS3 + Key 7586134 Automatic
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Mercedes W221 Headlining Alarm Sensor Module Cover Trim Black A2219050018
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Screen Ring Mini F56 F57 JCW Navigation Display Head Unit Trim Cover 9338327
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Part no. 8734740
BMW X1 F48 F45 G30 Telematics Module Bluetooth Telephone Control Unit 8734740
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Ford Fiesta MK7 1.6 TDCI Diesel Engine Control Unit ECU 8V2112A650KE Manual
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Part no. 8488548
High Voltage Inverter BMW i3 I01 Hybrid 120Ah Rex Electrical Machine 8488548
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Part no. 6842255
BMW F39 F45 Mini F56 F60 ICM Control Unit Air Bag Module SRS Airbag ECU 6842255
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Part no. A2125409110-2
Console Lightning Mercedes W212 Centre LED Selector Cable Wiring A2125409110
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Part no. A6681530279-1
Mercedes W168 A170 CDI 95HP OM668.942 Engine Control ECU Kit A0275454132 + Key
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Part no. 7521137
BMW X3 E83 E46 E60 E61 E65 M54 Alternator Generator 150A 7521137
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Part no. 8672514-1
BMW F80 M3 F82 F83 M4 431HP Engine Control ECU Kit DME 8672514 + FEM Module Key
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Part no. 78GG17C499AA
Ford Transit Mk6 Electrical Relay 6918816 Windscreen Wipers Fuse Red 6919113
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Part no. 6G9N11000EC
Ford Mondeo MK4 Galaxy MK3 1.8 TDCI Diesel Engine Starter Motor 6G9N11000EC
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Part no. 8200404459-1
Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Generator 8200404459
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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 .