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. 8512498
BMW E84 20dX N47 177HP ECU Control Unit Kit DDE 8512498 Automatic Transmission
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BMW X1 E84 Footwell Xenon Light Control Module Lear FRM3R PL2 9240528
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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Navigation Head Unit BMW F10 F20 F21 F30 F31 Media Player High 9311035
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AUDI Q7 4L Lane Assist Module Blind Spot 4L0907566A
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BMW E60 E87 E90 120d 320d 520d M47N2 Engine Control ECU Kit DDE 7803373 CAS3
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Mercedes SLK R171 Door Module Front Left N/S Control Unit ECU A1718207126
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Mercedes Vito W639 Cover Fuse Box Battery Trim Panel Lid A6395450003
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BMW 1 3 X1 Z4 Series E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 9133335
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Audi A5 8T Body Control Comfort Unit Convenience Module BCM1 ECU 4H0907063DB
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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Mercedes W221 Power Supply Battery Control Module Unit A2215400401
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Fuse Box Mercedes W169 W245 Electrical Relay Control Module Unit A1695451740
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Part no. 6960433
BMW E60 E61 E63 E64 E90 E91 FBAS Analog Video Module Unit 6960433
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Part no. 9325653
BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW E81 E87 E90 E91 Hands-free Electronics Charging MULF2 9224673
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Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
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BMW E60 E61 Radio Player M-ASK M-Audio System Controller CD Head Unit 9117532
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Mercedes-Benz W202 W208 W210 ESP + BAS Control Unit Module ECU A0315450732
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Part no. 3450646
Mini Cooper Convertible R57 Fuse Box Electrical Control Unit 3450646
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Part no. A6397602004
Bowden Cable Mercedes W639 Rear Right O/S Sliding Door Handle Catch A6397602004
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Part no. 06J903023H
Volkswagen Golf Mk7 5G Alternator Generator 2.0 TFSI CHHA 06J903023H
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BMW 3 Series E90 ECU Body Control Module H1 PL2 JBBFE Junction Box 9131776
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Part no. 8K0919475R
Parking Module Audi A4 B8 A5 8T PDC Sensor Control Unit 8K0919475R
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Part no. A2219006404
Mercedes W221 Door Module Front Right O/S Control Unit ECU A2219006404
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Part no. A0045467640
Distributor Box Mercedes W204 W207 W221 Connector Block Control Unit A0045467640
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Part no. A2721540002-1
Alternator Generator Mercedes R171 W209 W211 M272 Petrol Engine 150A A2721540002
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Part no. GK2112B533AA
Ford Transit Mk8 VI Glow Plug Controller Unit Module Relay GK2112B533AA
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Part no. 8625241-7
BMW F20 F30 116i 316i N13 Engine Control Unit Module ECU DME 8625241 Automatic
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Part no. 7589971-3
Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + Key
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Part no. A2035401335
Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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Part no. 7808073-1
BMW E90 E91 E92 E93 LCI Diesel N57 Alternator Remy 150A 7808073 DRA0429
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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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Part no. 4H0919475AA
Audi A6 C7 PDC Parking Distance Control Module Unit ECU 4H0919475AA
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Part no. 3456987
Mini Cooper R60 Footwell Light Module Unit High EKS ECU PL3 FRM3R Lear 3456987
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Part no. 6840399-1
Head Unit BMW F20 F21 F22 F30 F31 Radio CD Navigation GPS 6840399
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Part no. 8782591-1
Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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Part no. 9382517
Audio Amplifier BMW F20 F21 F23 LCI I3 I8 Top Hifi Harman Kardon Unit 9382517
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Part no. 9290989-2
Radio Professional BMW F30 F31 F32 CD Bluetooth Player 9290989
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Part no. A2139007939
Mercedes W167 W177 W247 Headlight Ballast Control Module Right O/S A2139007939
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Wiring BMW X5 F15 M Sport Rear Park Assist PDC Wiring Harness Loom 9361150
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Part no. 6956586
BMW 1 Series E87 Footwell Light Module ECU Control Unit NSW PL2 FRMFA 6956586
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Part no. A2059001136
Mercedes C238 Vehicle Dynamic Transmission Control Unit Module A2059001136
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Part no. 7798179-2
BMW 1 3 Series E87 E90 E91 118d 318d M47N2 Engine ECU KIT DDE 7798179 CAS2 + Key
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Mini Cooper R50 R52 R53 6-Disc CD Changer Unit Module With Magazine 6977767
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BMW E60 E81 E87 E90 E91 CAS 3 Control Unit ECU Key Reading Module CAS3 9147195
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Porsche Macan S 95B-2 Front Door Control Module Unit Driver's Side 4H0959793AC
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Part no. 3455895
Mini Cooper One R56 Footwell Light Module Low EKS ECU PL3 FRM3R 3455895
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Part no. 2163807
BMW E92 Mid-Range Loudspeaker Midtone Speaker 2163807
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Part no. A2129005213
Mercedes C204 Sound Audio Amplifier Unit Harman Becker A2129005213
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Part no. A9068201186
Mercedes Vito W639 Sprinter W906 CD Audio Stereo Radio Head Unit A9068201186
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Mercedes W204 Head Unit Radio CD Player Audio Sat Nav Control A2049001813
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Part no. 7641003-1
Mini Cooper S R55 R56 N14 1.6 174HP ECU Kit DME 7641003 CAS3 Key Manual
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Part no. 9302159-1
Multimedia Player BMW X1 E84 E87 E90 E91 E92 LCI Radio Professional DAB 9302159
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Part no. 7067801
BMW E46 E64 Front Seat Module Control Unit Memory 7067801
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Part no. A0009052702
Mercedes W169 W204 W212 Battery Cable Negative Lead Wiring Harness A0009052702
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Part no. 6953044
BMW E81 E87 E90 Hands Free Electronics Charging Module MULF 6953044
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Part no. A2059009627
Front Air Module Mercedes W205 X253 SRS Control Unit ECU A2059009627
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Part no. A1683700173
Mercedes-Benz A W168 Automatic Transmission Shifting Bowden Cable A1683700173
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Part no. 8T0959760B
Audi S5 8T Front Seat Control Module Unit ECU Left Right N/O/S 8T0959760B
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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. A2515450316
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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Part no. 7599959
BMW 3 Series E93 Negative Battery Lead Cable 7599959
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Part no. A2517253714
Mercedes W177 Automatic Gearbox Wiring Loom Harness Cable A2517253714
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Part no. A2035454701
Mercedes-Benz C CLC Class CL203 S203 W203 Fuse Box Module SAM Unit A2035454701
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Part no. 8P0959655P
Audi A3 8P Air Module Control Unit ECU Module 8P0959655P
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Part no. 9167201
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167201
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Part no. 8693361-2
BMW F87 LCI M2 370HP N55 Engine Control Module Unit ECU DME 8693361 Automatic
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Part no. 8K0907063C
Audi S5 8T Body Comfort Control BCM Supply Module Unit ECU 8K0907063C
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Part no. 7521116
Starter BMW E90 Petrol N52 N53 Engine Starter Motor Unit 7521116
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Part no. A2038206526
Mercedes-Benz C-Class W203 Door Control Module Unit Rear Left N/S A2038206526
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Part no. 9865400
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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Part no. 6991582
BMW 1 3 Series F20 F21 F30 F31 LCI Navigation Sat Nav Head Unit High 6819420
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Part no. 8511372-1
BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic
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Part no. 8518269-4
BMW E90 E91 LCI N47N 320d 184HP Engine Control ECU Kit DDE 8518269 + CAS3 + Keys
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Part no. 8U0035193CX
Audi Q3 8U Head Unit Navigation Multimedia Control Unit 8U0035193CX
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Part no. 4E0910148C
Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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Part no. 8380068
BMW E46 Audio Amplifier Hifi Harman Kardon Sound System 8380068
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Part no. A6519060000
Starter Motor Mercedes W639 W906 OM651 Engine Diesel Bosch A6519060000
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Part no. 8652746-1
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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Part no. A6519000700
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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BMW F20 F22 F30 Rear Electronic Module REM Fuse Box Control Unit V5 ECU 6809053
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Part no. A2479004415
Telematics Module Mercedes W213 H243 Communication Blutooth Control A2479004415
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Part no. 7542529-3
BMW E87 E90 E91 E60 E61 E63 N52 Alternator Generator 155A 7542529
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Part no. 4F0907468M
Audi A6 C6 Diagnostic Interface Gateway Module ECU Control Unit 4F0907468M
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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. 6989160-BS
BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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Part no. 6857942
BMW F01 F02 Air Suspension Control Unit Rear Axle 6857942
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Part no. 9196669-1
BMW E81 E87 E90 E91 E92 6-Disc CD Changer With Magazine 9196669
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Part no. 3453247
BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
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Part no. 7788680-2
BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Part no. A1645403372
Mercedes ML W164 Fuse Box Relay Control Unit Rear A1645403372
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Part no. A2469008214
Radio CD Player Mercedes W176 W246 Audio Navigation Stereo Head Unit A2469008214
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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 .