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. 7589971-6
Mini Cooper R55 R56 R57 N12 1.6 120HP ECU Kit DME 7589971 + CAS3 + Key Automatic
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Mercede R171 Ipod Interface Multimedia Music Connection Module +Cable B67824252
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Audi A3 8V Head Up Navigation Multimedia Screen Display Unit 8V0857273N
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BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
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Fuse Box Cover Mercedes W211 C219 SAM Control Module Cap Lid Housing A2115400582
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Mercedes W204 Navigation CD Player COMAND Radio Sat Nav Head Unit A2049005903
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VW Volkswagen Golf Sportsvan Multimedia Sat Nav Radio Display Screen 5G6919605B
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CAS4 Module BMW F01 F07 F10 F11 F12 X3 F25 Key Reading Control Unit 9339274
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Part no. A1645405662
Mercedes W164 Central Gateway Control Unit Module A1645405662
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BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 6948577
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BMW 5 7 Series E60 E61 E65 E66 Front Seat Control Module Unit Ecu 6927278
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BMW E60 E61 535d M57N Engine Control ECU Engine Control DDE 7796678 Automatic
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Part no. 7601993
Mini Cooper One R55 R56 R57 R60 Neutral Start Stop Gearbox Sensor Module 7601993
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Part no. 8T0035223AH
Audi A4 B8 8K A5 8T Amplifier Audio Sound Booster Module 8T0035223
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Part no. 9425925
BMW F30 LCI G20 G30 Hybrid Fuel Tank Control Unit Module Unit 7452591
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Part no. 7938190
Parking Sensor BMW F20 F21 F22 F23 F30 F34 GT PDC Module Control Unit 7938190
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Part no. A1645450201
Fuse Box Mercedes ML W164 W251 OM642 Diesel Relay Module Unit A1645450201
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Part no. 8380407
BMW X5 Series E53 Power Distribution Fusebox Cover Fuse Box 8380407
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Part no. 3451528-1
BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Part no. rhd-9284984
Mini Cooper R55 R56 LCI Cable Set EPS Power Steering Wiring Harness 9284984
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Part no. 8385159
BMW 3 X3 Series E46 E83 Battery Cable Holder Mounting B Base 8385159
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Part no. 2348833
BMW Mini R55 R56 R60 Electronic Components Daytime Running Lights LED 2348833
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Mercedes W177 Fuse Box Relay Cover Lid Control Unit Bracket Trim A2475407800
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Part no. 7L6937049AF
Volkswagen Touareg 7L Power Supply Control Module Unit ECU 7L6937049AF
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Part no. 9224595-1
BMW 3 Series E91 LCI Footwell Light Control Module LCM LED Basis 9224595
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Part no. 6934649
BMW 3 5 X5 Series E39 E46 E53 BMW Radio Professional TMC Becker 6934649
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Part no. 1K0953549BC
VW Volkswagen Golf 1K Steering Wheel Sensor Control Module Unit ECU 1K0953549BC
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Part no. 7799856-1
BMW 3 5 Series E60 E61 E90 330D 530d M57N2 Engine ECU KIT DDE CAS +Key 7799856
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Part no. 6989173
BMW 7 Series E65 E66 E67 PDC Rear Parking Sensor Ultrasonic Sterling Grey
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Part no. 3453743-1
Mini Clubman Cooper R55 Footwell Light Module High EKS ECU PL3 FRM II 3453743
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Part no. 7799856-6
BMW E60 E61 E90 330d 530d M57N2 231HP Engine ECU KIT DDE 7799856 CAS2 + Key
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Part no. 9252004
BMW F30 Display Central Information Screen 8,8" Navigation Professional 9252004
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Part no. 9267516
BMW F10 Central Gateway Module Control Unit Lear ZGW-02 MID Plus 9267516
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Part no. 6938975
BMW E60 E61 E63 E64 6-disc Compact CD Changer 6938975
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Part no. 9303541
BMW 1 2 3 4 Series F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9303541
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Part no. GK2T15604FAF
Ford Transit Mk8 VI Body Control Module Fuse Box GK2T-15604-FAF
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Part no. 9198826
BMW 1 3 Series E81 E87 E90 LCI Professional Navigation System Car Computer CIC
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Part no. 9358616
BMW Varta VRLA / AGM 12V Accumulator Battery 90Ah 900A 9358616
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Part no. 281152957R-1
Renault Trafic Radio Stereo Audio CD Player Head Unit Sat Nav TomTom 281152957R
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Part no. 059906627L
Audi Q7 4L Quattro Diesel 3.0 TDI Charge Air Pressure Valve Actuator 059906627L
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Part no. A1699004800
Mercedes-Benz A B Class W169 W245 SAM Control Module Fuse Box A1699004800
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Part no. 1K0907530Q
Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Part no. 8506951-1
BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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Part no. 7557809-5
BMW E87 E90 N45 116i 316i 116HP Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Part no. 8U1035192A
Audi Q3 8U Sat Navi Stereo Radio Audio Head Unit CD Player 8U1035192A
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Part no. 6840519
Negative Lead Battery Cable BMW G11 G30 G31 X3 G01 IBS Wiring Harness 6840519
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Part no. 7638001
BMW 1 3 Series F20 F21 F30 F31 N47N Earth Cable Battery Engine 7638001
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Part no. A1645403472
Mercedes W164 Fuse Box Relay Module Unit A1645403472
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Part no. 7573863-1
BMW E90 E92 335i Petrol N54 ECU Kit Control Unit DME 7573863 CAS3 Key Automatic
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Part no. 7810950-4
BMW E90 330d M57N2 231HP Engine Control Unit Module ECU DDE 7810950 Automatic
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Part no. 7553166-4
BMW E60 E90 E91 N52 325i 525i Engine ECU Kit DME 7553166 CAS2 Key Automatic
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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. BOSCH-AGM-95AH
Bosch S5 A13 AGM Start Stop Accumulator Battery 95Ah 850A 12V
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Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
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Part no. 7803369-8
BMW E60 E90 330d 530d M57N2 231HP ECU Engine Control Unit DDE 7803369 Manual
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Part no. BOSCH-74AH
Bosch S4 008 Accumulator Battery 74Ah 680A 12V
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Part no. 7928646
BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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Part no. 9225711
BMW F07 GT Footwell Light Module Control Unit ECU FRM3 9225711
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Part no. 9192739
BMW X5 Series E70 ECU Body Control Module Junction Box High PL4 JBBFEII 9192739
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Part no. 9262360
BMW X5 E70 X6 E71 CAS3 Control Unit Key Reading Module 9262360
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Part no. 3456952-1
Mini Cooper R60 Footwell Light Module High EKS PL3 FRM3R Lear 3456952
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Part no. 8K0907801L
Audi S5 8T Parking Electric Brake Handbrake Module Control Unit 8K0907801L
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Part no. 5Q0959392B
Audi A3 S3 8V Door Control Module Front Passenger Side Left N/S 5Q0959392B
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Part no. A2035453501
SAM Module Mercedes W203 Fuse Box Control Unit Relay A2035453501
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Part no. 4F0907279
Audi A6 C6 Power Supply Module Comfort Control Unit ECU 7591534
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Part no. 7641003-4
Mini Cooper S R56 N14 1.6 174HP ECU Kit DME 7641003 + CAS3 + 2 Keys Manual
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Part no. A2095452801
SAM Module Mercedes CLK W209 C209 A209 Fuse Box Relay Control Unit A2095452801
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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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Part no. 420295
Mini R55 R56 R57 Halogen Headlights Control Unit Module ECE 0420295
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Part no. A2469004819
Radio Comand Mercedes W176 W246 Navigation Head Unit CD Infotainment A2469004819
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Part no. 9290991
BMW F20 F21 F22 F30 F31 Radio Professional CD Player Control Unit Module 9290991
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Part no. 9304728
PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728
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Part no. 9214925
BMW E60 E61 CIC Professional Navigation System Controller Head Unit 9214925
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Part no. 6825541
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 6825541
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Part no. 8K0959754H
Audi A5 8T Remote Button Smart Key Fob Unit 8K0959754H
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Part no. A1648208289
Mercedes ML W164 Radio CD Player Audio Stereo Head Unit A1648208289
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Part no. A1698208326
Mercedes-Benz W169 W245 Door Module Front Left N/S Control Unit A1698208326
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Part no. A1569003203
BCM Module Mercedes W117 W176 W246 Body Control Module Unit ECU A1569003203
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Part no. 7595847
BMW X5 X6 E70 E71 Rear Differential Control Module Unit QMV 7595847
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Part no. 6844126
On-Board Screen BMW F20 F30 LCI Information Display Touch Monitor 8,8" 6844126
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Part no. A4479001000
Mercedes Vito W447 Air Module Sensor Control Unit ECU A4479001000
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Part no. A1648203885
Mercedes ML W164 Front Right Control Unit Module Door A1648203885
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Part no. A2139002422
Mercedes W213 Front Door Module Control Module Unit Right O/S A2139002422
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Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Part no. 7595179-7
BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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Mercedes W205 Fuse Box Relay Control Module Battery Terminal A2055402250
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Part no. 9437949
BMW F20 F21 F22 F30 F31 LCI Radio CD Player Navigation High Head Unit 9437949
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Part no. 7801711-5
BMW X3 E83 M47N2 2.0d 150HP ECU Kit DDE + EWS + Key 7801711 Manual
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Part no. 7552176-11
BMW E87 E90 118i 318i N46 129HP Engine Control Unit ECU Kit DME 7552176 CAS2 Key
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Part no. rhd-7529729-1
BMW 5 Series E60 520i 525i 530i M54 Engine Gearbox Wiring Harness Loom 7529729
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Part no. A2198200726
Door Module Mercedes C219 Front Right Door O/S Control Unit Module A2198200726
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Part no. 252301716R
Renault Trafic Vauxhall Vivaro Relay 4-Pin Blue Unit 252301716R
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Part no. 9325656
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
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Part no. 9163348
BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9163348
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Part no. 7599881-8
BMW E87 LCI E90 E91 118i 318i Petrol N43 143HP ECU KIT DME 7599881 CAS3 + Key
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Part no. 9112631
BMW E60 Light Control Unit Module LM E6X MAN.LWR Lear 9112631
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Part no. 9144773
BMW 1 3 Series E87 LCI E90 E91 E92 Radio CD Professional 9144773
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Part no. A2129005822
Fuse Box Mercedes W204 Front SAM SRB Module Fuse Relay Box Unit A2129005822
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Part no. A9065450003-1
Mercedes Sprinter W906 Fuse Box Cover Trim Panel Lid Grey A6395450003
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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 .