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. 8736968
BMW F46 Module BCM Body Control Unit Module ECU 8736968
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Mercedes W207 W212 W906 Engine Diesel 200A 14V Alternator Generator LRA03818
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BMW Mini Cooper R56 LCI R60 R61 Radio Visual Boost CD Player CHAMP 2 9354728
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Engine Wiring Mercedes W212 Diesel OM651 Cable Loom Harness A6511505933
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Mercedes W205 Front Axle Damper Adjustment Left N/S Wiring Harness A2055403706
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BMW X5 E70 LCI Light Module Footwell Module FRM3R Lear ECU Unit 9249073
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BMW 7 Series E65 E66 Dashboard EXCH Control Display Screen 8,8" 6960096 9110639
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Mercedes C117 W176 W246 Control Unit CD Player Radio Audio System A2469001216
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Mercedes W204 Door Module Rear Left N/S Control Unit Module A2048702426
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VW Volkswagen Touareg 2.5 TDI BPE Engine Control Unit ECU Kit 070906016BT Key
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BMW 5 Series 1 E60 Light Control Module Unit Lear LME6X MAN. LWR 6936996
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Mercedes W169 A180 M266.940 116HP Engine Unit ECU Kit A2661531491 Key Lock
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Peugeot 207 Partner 1.6 HDI Alternator Generator Support Bracket 9684613880
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BMW 1 3 E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9343204
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Part no. 23710JD78D
Nissan Qashqai Diesel Engine Control Unit ECU Module 23710 JD78D 0281014361
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Part no. A6511503633
Mercedes W212 OM651 Diesel Engine Wiring Harness Loom Cable A6511503633
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Part no. AC1T10300BB
Ford Transit Mk7 Engine Alternator Generator Unit Diesel AC1T10300BB
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469007119
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BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
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BMW E60 E61 PDC Parking Ultrasonic Sensor Rear Le Mans Blau Blue 381
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Mercedes Navigation CD Road Map Europe APS 2007 A2118279559
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BMW 3 E91 Touring Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Honda Civic Starter Motor Actuator Unit 12V 31200-PSA-J52
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Part no. 6824109
BMW 3 F30 LCI 330e B48X Hybrid High Voltage EKMV Wiring Cable Wire 6824109
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Part no. 9352574
Mini Cooper F56 Wiring Loom Front Left N/S Door Cables 6809486
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Part no. 3456051-4
Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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Part no. 7810950-2
BMW E70 3.0d M57N2 235HP Engine ECU KIT DDE 7810950 CAS3 Key Automatic
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Part no. 9138452-1
Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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Part no. 9423397
AdBlue Module BMW G20 G21 G30 G31 X3 G01 Control Unit ECU SCR 9423397
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Part no. 1439874
BMW E46 316i M43 Petrol Engine Wiring Harness Engine Module Wiring 1439874
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Part no. 8600124-1
Mini Cooper R56 LCI R60 N16 Engine Control ECU DME 8600124 CAS3 Key Automatic
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Part no. A4709000903
Mercedes W470 Air Module System Control Unit Module ECU A4709000903
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Part no. 9251975
BMW F10 Light Control Footwell Module ECU Unit FRM3 9251975
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Part no. 9126251
BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Part no. 9216275
BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business 9216275
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Part no. 9299594
Central Gateway BMW X3 F25 X4 F26 Module Control Unit Lear ZGW-02 4SK 9299594
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Part no. 9153272
BMW E60 E63 LCI E65 Light Control Module LCM LM2 LMII E6X LWR
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Part no. 6963016
Air Control Module BMW E60 E61 E63 Passenger Side Door Unit 6963016
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Part no. 4E0907383E
Audi Q7 4L Tow Bar Trailer Towing Control Module Unit 4E0907383E
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Part no. A6429002900-1
Mercedes W204 C350 CDI OM642.830 Engine Module ECU Kit A6429002900 Keys Lock
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Part no. A2129004008
Mercedes C207 Stereo Radio CD Player Head Unit A2129004008
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Part no. 8091664
Baterry Cable Bracket BMW X3M F97 X4M F98 S58 Alternator Wire Holder 8091664
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Part no. A1779005109
Door Module Mercedes C118 W177 H243 Front Left N/S Door Control A1779005409
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Part no. A1648209289-1
Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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Voltage Converter Mercedes W213 S213 Module Auxiliary Battery Unit A2059052809
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BMW X1 E84 18dX Diesel N47N Engine Unit ECU Kit DDE 8574351 CAS3 Key Automatic
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Part no. A2711534691
Mercedes W203 C200 Kompressor M271.940 163HP Engine ECU A2711534691 Automatic
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Part no. 7841981
BMW E90 E92 E93 M3 Engine S65 420HP ECU DME 7841981 Twin Clutch Gearbox
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Part no. 39120-2A051
KIA CEED I 1.6 CRDI Diesel Engine Control Module ECU 39120-2A051 Manual
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Part no. 9666967477
Peugeot 3008 Radio CD Player Stereo Head Unit 9666967477
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Part no. 8966153M50
Lexus IS200 d 2AD-FHV Diesel Engine Control Unit Module ECU Manual 8966153M50
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Part no. A1635401630
Mercedes-Benz M ML W163 Battery Positive Plus Terminal Lead Cable A1635401630
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Part no. A2139008123
Mercedes A238 SAM Control Module Unit ECU A2139008123
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Part no. 5Q0919294K
Audi RS3 8V PDC Parking Distance Control Sensor Module Unit ECU 5Q0919294K
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VAG VW Volkswagen Audi Seat Skoda Relay Unit 4 Pins 12V 40A 191937503
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Audi A5 8T 3.0 TDI CCWA 240HP Engine ECU Kit 8K0907401 Ignition + Key Automatic
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Audi A3 8V Air Module Control Sensor SRS System ECU Unit 5Q0959655BT
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Part no. 51854902
Fiat Doblo 1.6 Diesel Alternator Generator Denso 120A 14V 51854902
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Citroen Berlingo Peugeot Partner Battery Terminal Earth Cable Wiring 9676811780
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BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9290799
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Part no. 8S0907468B
Audi TT FV Central Gateway Control Unit Module ECU 8S0907468B
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Part no. 8200106788
Starter Motor Renault Trafic II Opel Vivaro A Diesel 2.5 dCi 8200106788
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Part no. A1718206126
Mercedes R171 Door Control Module Front Left N/S A1718206126
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Part no. 8801702
BMW G30 Dashboard Central Information Display 10,25" On Board Monitor 8801702
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Part no. 02E911024M
Audi A3 8V 2.0 TFSI DJHA Starter Motor 12V 02E911024M
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Part no. 4Z7907357
Audi A4 B6 Headlight Headlamp Range Control Unit Module 4Z7907357
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Part no. 4G0907311E
Audi A6 C7 3.0 TDI Quattro CLAA 204 HP Engine Control ECU 4G0907311E Automatic
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Part no. A2048204797
Mercedes W204 Multifunction Display LCD Screen GPS Navi Unit A2048204797
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Part no. 8573257-5
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8573257 + Key + FEM
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Part no. 9151979-1
BMW E60 E90 Dashboard Dash Onboard Display Monitor Screen Display 8.8" CCC
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Part no. 9147221
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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Part no. A2711502733
Wiring Harness Mercedes W203 M271 Kompressor Petrol Engine Camshaft A2711502733
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Part no. 6957529
BMW E61 Body Control Module Unit ECU BCM KBM High 6957529
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Part no. A1679001414
Head Unit Mercedes W167 W177 Audio Stereo Radio Player Control Unit A1679001414
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Part no. 8P7959255B
Audi A3 8P Convertible Folding Roof Module Control Unit ECU 8P7959255
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Part no. 6828076-1
BMW X3 G01 Fuse Relay Box Control Unit ECU 6828076 8795477
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Part no. A9079007404
Mercedes Sprinter W907 W910 Body Control Module ECU A9079007404
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Part no. 9282043
BMW X3 F25 X4 F26 Navigation Sat Nav Radio Audio Head Unit 9282043
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Mini Countryman R60 Cable Set EPS Power Steering Wiring Harness 9807894
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Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117
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Porsche Macan 95B Rear View Camera Control Unit 95B980551L
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Mini Cooper S R60 N18 184 HP Engine Control Unit Module DME 8621260 Manual
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Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 8K0955559D
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Engine Wiring Harness BMW X3 E83 2.0i N46 Wiring Loom Manual Gearbox 3421562
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Mercedes W204 C63 AMG 457HP M156.985 Engine Unit ECU Kit A1569005000 Key Lock
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BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Headlight Control Unit BMW F30 F31 LCI Module FLE2 7434273
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Mercedes W204 W212 W222 Auxiliary Additional Generator Battery A0009827008
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BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
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BMW E87 LCI E90 120i 320i Petrol N43 Engine ECU KIT DME 7579142 CAS3 Key Manual
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Ford Transit MK8 Radio Stereo Audio USB Head Unit Panel BK3D-18D815-BE
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Mercedes W176 A180 CDI OM607.951 109HP Engine ECU A6079001800 Automatic
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Airbag Module Citroen Relay Fiat Ducato Air Bag Control Unit ECU 01375110080
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Skoda Octavia 3 5E Front Bumper Wiring Harness Loom 5E0971095CN
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Mercedes Vaneo W414 Front Left Right Door N/O/S Control Unit Module A4148200526
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BMW 1 3 E87 E90 E91 M47N2 Engine Injector Module Wiring Harness Cable 7804722
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Mercedes W168 W203 W209 Audio Sound System Amplifier Unit A1698208089
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Mini Cooper R50 R53 VICS Receiver Control Unit Module Japan 6916228
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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 .