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. A2129005213
Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
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Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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BMW 3 6 Series E46 E64 Front Seat Module Control Unit Memory 7067801
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Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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Mercedes W251 W211 Air Suspension Control Module Unit ECU A2515450316
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BMW E30 E31 F01 F02 F10 F11 Top View Mirror Camera 9240274
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BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651
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Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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Mercedes-Benz C-Class W203 Door Control Module Unit Rear Left N/S A2038206526
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PDC Module BMW F45 X3 F25 Mini F55 F56 Parking Assistant Control Unit 9865400
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Mercedes W205 C350e Hybrid Electric Drive Battery High Voltage Wiring Harness
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BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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BMW 1 3 X5 Series E53 E81 E87 E90 LCI Battery Mounting Bracket Clamp Bolt Holder
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BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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BMW X1 E84 PDC Sensor Parking Control Module Unit ECU 9225822
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BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit DME + CAS3 + Key 8652746 Manual
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BMW E93 Convertible Cabrio Rear Bumper TV Aaerial 9152325
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Mercedes W906 313 CDI OM651.955 129HP Diesel Engine ECU A6519000700 Manual
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Part no. 8J0959433B
Audi TT 8J BCM Body Comfort Convenience Module Unit ECU 8J0959433B
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Part no. 3451924
BMW Mini Cooper R56 High SPEG PL3 DC/DC M2 Fuse Distribution Box 3451924
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Part no. 6809053
BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053
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Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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Audi A4 B8 A5 8T Front Lamp Headlight Range Control Module 8K5907357B
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9196669
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Audi A3 8P Air Module Control Sensor SRS System ECU Unit 8P0959655S
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BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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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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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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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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MINI Cooper R58 R59 Aerial Antenna Amplifier Module Rod 3456397
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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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BMW X5 E53 3.0d M57N 218HP ECU Control Unit Module DDE 7800131 Automatic
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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 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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SAM Module Mercedes W177 W247 Front SAM Body Comfort Control Unit A2479008607
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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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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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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. A2129004307
Display Screen Mercedes W204 W212 Information Navigation Dashboard A2129004307
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Part no. 6906588
BMW E60 E61 E63 E64 Power Distribution Fuse Relay Box Rear 6906588
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Mini Cooper One R55 R56 R57 LCI R60 R61 CHAMP 2 Navigation DAB 3457441
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BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Starter Motor Mercedes W203 W210 W211 Diesel Engine Actuator A0051511301
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BMW 1 3 5 E60 E87 LCI E90 N47 Preheating Control Glow Plug Unit Beru Diesel
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Mini Cooper R55 R56 N12 1.6 120HP ECU Kit DME 7600076 + CAS3 + Key Manual
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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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Mercedes A B Class W169 W245 Door Control Module Front Right O/S A1699000700
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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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Mini Cooper One R50 R52 W10 Petrol Alternator Generator 110A 7550997 7515426
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BMW E82 E90 135i 335i N54 Engine Gearbox Wiring Loom Harness Cables 7566525
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Mercedes W213 S213 Multimedia USB SD Card Reader Port Socket Module A2058200526
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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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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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BMW 1 3 Series E87 E90 Power Distribution Fuse Box Front 6906611
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Head Unit BMW F20 F21 F30 F31 LCI Radio Media Player Sat Nav High 2 6829104
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BMW E87 E90 E91 120i 320i N46 Engine Control Unit ECU DME 7565300 Manual
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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 .