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. 7510638
BMW X5 E53 E60 E65 Integrated Relay Power Supply Module 7510638
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BMW F01 F02 LCI F07 GT Power Distribution Electrical Fuse Box Front 9252816
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Tailgate Module BMW F01 F10 Rear Boot Trunk Lid Control Unit ECU 7327886
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BMW E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6977759
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PDC Parking Sensor BMW X3 X5 E83N E70 LCI Ultrasonic Sensor Front White 9139868
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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BMW E90 E91 Central Locking Lock Immobilizer Control Unit Module ECU 7233914
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BMW 3 5 Series E39 E46 Airbag Control Unit Module 8372521
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Door Control Module Audi S4 A4 B8 A5 8T Front Right O/S Passenger 8K0959792H
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Air Module Mercedes W213 C238 C253 Control Unit ECU A2139008828
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126943437 6943437
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BMW 1 3 E87 E90 N45 116i 316i Petrol ECU Kit DME 7557809 + CAS 2 + Key Manual
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Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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Radio Head Unit Ford Transit Connect 6000 CD Media Player Unit AT1T-18C815-BA
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BMW F20 F21 Xenon Headlight Control Unit Module Lear TMS 7316145
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Part no. 7806976-1
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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Mercedes W204 C220 CDI 651.911 Engine Control Unit ECU A6519007500 Automatic
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BMW E91 LCI ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9267421
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BMW E87 LCI 116i E90 316i N43 122HP Engine Control Unit ECU DME 7579142 Manual
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BMW Z4 E85 M54 Roadster Wiring Loom Harness Engine Ignition Module
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BMW F10 F11 LCI Active Sound Unit Control Module Design Amplifier 9289971
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BMW G11 G12 G30 G32 G14 Starter Cable Alternator Cable Starter-Base B+ 8595355
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Part no. 8506442-1
BMW E81 E87 LCI 123d Petrol N47S 204HP ECU Kit DDE 8506442 CAS3 Key Automatic
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BMW F10 F30 F32 LCI 335dX 435dX 535dX N57Z 313HP Control Unit ECU DME 8586536
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Part no. 5B4E029
Remote Control Receiver BMW X5 G05 U06 Mini F65 Receiver Radio Module 5B4E029
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Distance Sensor Unit 9117847
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Part no. 06M907309D
Audi A4 S4 B9 3.0 TFSI 355HP CWGD Quattro Engine Control Unit ECU 06M907309D
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Part no. 7555926-2
BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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Part no. A0009004710
PDC Module Mercedes W205 X253 Parking Sesnor Assist Control Module A0009004710
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BMW 3 Series E90 E91 E92 IBS Negative Battery Lead Cable 9164352
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Part no. 6906588
BMW E60 E61 E63 E64 Power Distribution Fuse Relay Box Rear 6906588
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Part no. 9313933
BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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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. A0051511301-3
Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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Part no. A6394404809
Mercedes Viano Vito W639 Wiring Harness Tailgate License Plate Lamp A6394404809
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BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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BMW E87 E90 M-Audio System Controller Navigation Business 6965047
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Mercedes Vito Viano W639 Battery Cable Positive Wiring Harness A6735460011
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Engine Wiring BMW F20 120i F30 320i 330i LCI B48 Cable Loom Harness 8636068
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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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Mercedes W176 Multimedia Box Wiring Loom Electrical Harness A1765401201
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BMW 1 3 Series E87 E90 E92 Front Seat Adjustment Switch Left N/S 6954129
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BMW X3 Z4 Series E83 E85 E86 Base B Positive Battery Terminal Cover Compartmen
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Telematics Module BMW F20 F30 Control Unit Bluetooth Combox ECU 9257151
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BMW E90 ECU Body Control Module Unit Junction Box H1 PL2 JBBFE 9119491
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Part no. 3457587
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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Part no. 7559178-11
BMW E60 E90 E91 330i 530i N52 258HP Engine ECU Kit DME 7559178 CAS2 + Key Manual
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Part no. 6978272
BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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Part no. 6829104
Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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Part no. 7565300-14
BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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Part no. A1635450016
Mercedes ML W163 Fuse Box SAM Control Unit Module A1635450016
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Part no. A1645453716
Mercedes ML W164 Parking Module PDC Distance Control Unit Sensor A1645453716
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Part no. 8X0035183
Audi A1 8X Multimedia Radio CD Player Navigation Head Unit 8X0035183
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Part no. A0131542102
Alternator Mercedes Vito W639 OM646 Engine Alternator Generator A0131542102
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BMW F12 F13 X5 F15 Suspension Control Module VDC Control Unit 6883149
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Part no. 9227500-1
BMW 1 3 Series E81 E87 E88 E90 E91 LCI Radio Business CD Player 9227500
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Part no. 9227561
On-Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9227561
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Part no. 8643642
BMW F30 LCI 330e G11 740e G30 530e Hybrid B48X Engine Starter Motor 8643641
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Part no. A2038201285
Mercedes-Benz C-Class W203 Front Right Door O/S Control Unit Module A2038201285
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Ford Transit Mk7 Starter Motor Engine Actuator Diesel 2.2 TDCi 6C1T-11000-AB
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Part no. 9173686-2
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 9173686
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Part no. A6511502790
Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511502790
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Part no. A1729000614
SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Part no. 7810000-2
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + Key
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Part no. 6940698
BMW E60 IBS Negative Battery Lead Cable Connector 6944687
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Part no. 9384686
BMW 4 Series F32 F82 F83 M4 KaFAS Camera Assist Speed Limit Control 9384686
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Part no. 7557395-7
MINI Cooper S R52 R53 W11 170HP Engine Control Unit ECU DME 7557395 Automatic
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Part no. A0131540002
Alternator Mercedes W203 Diesel OM648 OM646 Engine ALternator 200A A0131540002
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Part no. 4F0919283H
Audi Q7 4L Parking Control Unit ECU Module Sensor PDC 4F0919283H
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Part no. A2048704658
Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
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Part no. 9253480
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359253480 9253480
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Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
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Part no. 7575650-1
Alternator Mini Cooper R55 R56 R57 R57 R58 Generator Petrol 7575650
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Part no. 9255065
Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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Part no. A2198200626
Door Module Mercedes C219 Front Left Door N/S Control Unit Module A2198200626
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Part no. 7806987-3
BMW E60 LCI E90 E91 325d 525d Engine M57N2 197HP ECU Kit DDE 7806987 CAS3 + Key
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Part no. 8518423
Engine Control Unit BMW F10 F30 320d 520d N47N 184HP ECU DDE 8518423 Manual
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Part no. 1K0907530AA
Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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Part no. 7570487
Mini Cooper One R50 R52 Starter Motor 0,9KW BOSCH 4542741
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Part no. 8U0959107
Audi Q3 8U Boot Tailgate Control module Unit 8U0959107
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Part no. 7561684-10
BMW E60 530i E90 330i N52 258HP Engine Control Unit ECU DME 7561684 Automatic
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BMW E87 Light Module ECU LCM Footwell module PL2 FRMFA 6961133
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BMW E60 Light Control Unit Module LM E6X MAN LWR Lear 6983538
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Rain Sensor Mercedes W204 Light Solar Condensation Control Unit A2048208185
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Fuse Box Mercedes W205 W213 C238 Relay Module Control Unit A2135403038
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Mini Cooper R56 N12 1.6 120HP Petrol Engine ECU Kit DME 7573701 CAS3 + Keys
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Part no. 5A38AB8
BMW G20 G80 G82 Amplifier Harman Kardon Booster Audio ECU Unit Module 5A38AB8
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Part no. A2118701985
Mercedes W211 Door Module Front Left N/S Control Unit ECU A2118701985
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Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
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Part no. 6906071
BMW 3 Series E46 Touring Amplifier Side Window Antenna Aerial 6906071
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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Part no. 9193745-1
BMW 3 5 E60 E61 E90 LCI 1 Display Screen 8.8" Monitor Sat Nav 9193745
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Part no. A1729000402
Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
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Part no. 7557395-8
MINI One R50 R52 W10 90HP Engine Control Unit ECU Module DME 7557395 EWS Manual
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Part no. 9194064-2
On-Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen 8,8" 9194064
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Part no. A2048704326
Mercedes W204 Door Module Control Unit Module Front Left N/S A2048704326
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Part no. A2115455301
Fuse Box Mercedes W211 Rear Trunk Module Relay Fuse Box SAM A2115455301
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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 .