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. 7591534-2
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Mercedes Vito W447 Rain Light Sensor Control Unit Module A4479000601
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BMW F20 F30 F36 Front Electronic Module Control Unit FEM 9381102
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Mercedes A207 Convertible Roof Top Control Unit Module ECU A2079005100
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BMW 1 3 Series F20 F21 F30 Wiring Loom Harness Injection Valve Ignition 7608804
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BMW E60 E65 E70 E87 E90 F10 F20 F30 N52 N53 Petrol Engine Starter Motor 7521122
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Control Unit BMW F01 F02 F07 F10 F11 CAS4 Key Reading Module 9268752
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BMW E83 E85 Top Hifi Amplifier Audio System Carver DSP 6936952
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Audi Q7 4L Steering Column Switch Control Unit Module Unit 4F0953549A
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Mercedes W202 W210 Kick Down Kickdown Relay Electrical Module Unit A0035455005
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Mini Cooper R57 R58 R59 Microphone Hands Free Telephone 9167397
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BMW Mini Cooper Clubman R55 R56 0,95 KW Engine Starter Motor 7582309
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Mercedes Sprinter W906 Air SRS Bag Control Module Unit 0285010033 A9064460742
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BMW X5 E70 ECU Body Control Module Junction Box JBBFEIIIR LP 9262037
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BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Mercedes AGM Accumulator Battery 80Ah 800A 12V Varta
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BMW Z4 Series E89 Roadster Cabrio Convertible Top Module CTM 09281723 9281723
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Windscreen Camera Mercedes W207 W212 W246 Front Control Unit Module A0009008905
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Seat Ibiza 6J VW Volkswagen 6R Starter Motor 1.2 1.6 Petrol Engine 02T911024N
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BMW X1 E84 25dX N47S1 218HP Engine Control Unit ECU Kit DDE 8519013 CAS3 Key
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BMW E65 730d Diesel M57N2 Engine Wiring Loom Harness Module Diesel 7802574
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Airbag Module BMW F20 F21 LCI F30 F31 F32 ECU Control Unit Air Bag 6879836
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Audi TT 8J Driver's Side Door Wiring Harness Loom 8J0971029AD
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Positive Cable Mercedes W906 Battery Starter Alternator Plus A9065403627
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BMW X6 Series E71 Footwell Light Xenon Control Module Unit LEAR FRM3R XE 9263790
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BMW F20 F21 114i N13 Engine ECU DME Kit FEM + Key 8614302 Manual Gearbox
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Peugeot 207 Airbag Module ECU Control Unit Air Bag 9663593480
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BMW X5 X6 Series E70 3.0sd E71 35dX M57N2 Engine Wiring Harness DDE Set 7803681
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Part no. A9065402727
Mercedes Sprinter W906 OM651 Engine Wiring Harness Cable Loom A9065402727
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Part no. 7553735-4
MINI Cooper R50 W10 116HP Engine ECU Kit Module DME 7553735 + Key + EWS Manual
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Mercedes W204 Front Fuse Box Relay Control Unit SAM Module A2049009701
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Part no. 8470176-3
Mini F60 Cooper S B47 Diesel Engine Control Unit ECU DDE 8470176 Automatic
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Part no. 8K0907144E
Audi A5 8T Dynamic Active Steering Module ECU 8K0907144E
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BMW F20 F21 F30 Ultrasonic Parking Sensor PDC Front Havanna Metallic - A17
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BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
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BMW F22 F32 F36 Body Control Comfort Module Unit 8707676
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BMW 5 7 Series E60 E61 E65 E66 Fan Blower Motor Unit Amplifier Cooling 6920409
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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BMW F30 LCI 330e Petrol B48X Engine Control Unit ECU DME 8689762 Automatic
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Mercedes-Benz E W210 Seat Memory Control Unit Module Front Left A2108206526
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Amplifier BMW F30 F31 F32 Top Hifi Audio Sound Amplifier Harman Kardon 9366164
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BMW E60 E61 E90 E91 330d 530d M57N2 231HP Engine ECU KIT DDE 7809944 CAS3 + Key
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BMW F83 M4 S55 Petrol Engine Fuel Pump Control Module Unit ECU 7426094
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Mini Cooper One R55 R56 R57 LCI R58 R59 R60 CD Radio Audio Player 3456805
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Audio Amplifier BMW F10 F11 F12 F13 Harman Kardon Top HIFI Sound Unit 9261703
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Multimedia Switch Mercedes X156 C117 W176 CD Player Radio Head Unit A2469009512
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BMW E87 ECU Body Control Module L2 ECU Junction Box 6971961
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BMW F20 F21 LCI Mini F55 F56 Top Hifi Audio Amplifier Harman Kardon 6846906
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Mercedes W639 OM651.940 163HP 116 CDI Engine Unit ECU Kit A6519009302 Automatic
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Sunroof Wiring Mercedes C205 C238 Panoramic Motor Cable Harness A2058201201
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Part no. 5Q0919283B
PDC Module Audi A3 8V Seat Leon Skoda Octavia Parking Control Unit 5Q0919283B
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Audi A6 C7 Rear Bumper PDC Parking Sensor Wiring Loom Harness 4G5971085AE
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Part no. 8K0906264C
Audi A5 8T 1.8 TFSI CJEE 177HP Engine ECU Kit Ignition Key 8K0906264C Automatic
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Audi A7 4G Head Up Display Screen Projector Dashboard Car System HUD 4G8919604L
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Skoda Fabia 5J CD Player Audio Stereo Radio Head Unit 5J0035161D
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Audi A8 4H 4.2 TDI CDSB Quattro 258HP Engine Control ECU 4H0907409 Automatic
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6943857
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BMW E90 E91 E92 Bracket CD Changer Holder Amplifier Mounting 6945072
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Mercedes W177 A220 260920 260.920 190HP Engine ECU Unit A2649000700 Automatic
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Mercedes C118 W177 W247 Battery Terminal Limiter Bracket Unit A2479067502
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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. 5Q0971230AQ
Seat Leon 5F VW Golf Mk7 Alternator Wiring Harness Loom Cable 5Q0971230AQ
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Part no. 6927313
Seat Module BMW E60 E61 E65 E66 Front Control Unit ECU 6927313
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Part no. A2139006633
Mercedes X253 Central Control Unit Electronic Module A2139006633
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Part no. A0038206326
Mercedes W221 Door Module Front Door Left N/S Control Module A0038206326
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Navigation Head Unit Mercedes W218 COMAND Navi CD DVD Player Sat Nav A2189000806
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Mercedes W205 GLC X253 Front Radar Sensor Module Control Unit A0009007907
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Part no. A2661501233
Engine Wiring Mercedes W169 W245 M266 Petrol Cable Loom Harness A2661501233
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Mercedes W212 Display Screen Multifunction Navigation Dashboard A2129015706
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Part no. 7575327-1
BMW Banner AGM 12V Accumulator Battery 90Ah 900A 7575327
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Part no. NAPA 80Ah Accumulator-1
NAPA Accumulator Battery 80Ah 760A 12V 110N
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Part no. 8J0971030AE
Audi TT 8J Front Left N/S Door Wiring Harness Cable Lom 8J0971030AE 8J0971030AB
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Part no. 8519663-24
Mini Cooper SD R55 R56 LCI R60 N47N 143HP Engine ECU DDE 8519663 Automatic
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Part no. 3456987-1
Mini Cooper One R57 Footwell Light Module High EKS ECU PL3 FRM3R 3456987
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Part no. 9381104-1
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9381104
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Part no. 8506566-1
BMW 3 Series E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Manual
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Part no. 1Y0959255C
Volkswagen New Beetle Convertible Roof Control Module Control Unit 1Y0959255C
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Part no. 6958901
BMW E81 E87 Aerial Antenna Amplifier Diversity DAB Control Unit 6958901
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Part no. 7943529
Mini F54 Clubman F60 Countryman KaFAS Camera Windscreen Front Unit7943529
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Part no. 8K0907063M
Audi A4 B8 A5 8T Body Control Comfort Unit Module Unit ECU 8K0907063M
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Mercedes SLK R172 Fuse Box Relay Control Unit SAM Module A2129009908
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Volkswagen VW Golf Mk7 Infotainment Radio Multimedia Head Unit 3Q0035874A
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Mini Cooper R55 R56 R57 LCI R60 Radio Boost CD Player Head Unit 3457434
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Battery Cable BMW i3 I01 Battery Communication Lead Wiring Harness 8629056
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BMW F30 XJC-5823 Android Screen Head Unit Camera 10.25" 8GB+128GB 4G
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Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D
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Part no. 8506356-1
BMW X3 Series E83 LCI 2.0d N47 Engine ECU Kit DDE 8506356 + EWS4 + Key Manual
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Part no. 8516739-1
Mini Cooper SD R55 R56 LCI R60 N47N Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Part no. 6943538
BMW E92 Driver's Seat Memory Wiring Cables Loom Harness 6943523
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Part no. 5A44498
BMW F20 F30 F32 G20 G30 Advanced Car Eye 3.0 Full HD Rear View Camera 5A44498
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Part no. 6922663
BMW 7 Series E65 Light Control Unit Module DYN.LWR Lear 6922663
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Part no. 9204532-1
Light Module BMW E90 LCI ECU LED NSW Control Unit PL2 FRM II 9204532
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Part no. A1698208426
Mercedes-Benz A B W169 W245 Front Right Door O/S Control Unit Module A1698208426
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Part no. 7602118
BMW E60 LCI E90 E91 325i 525i N53 Engine Control Unit ECU 7602118 Automatic
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Part no. 6962671
BMW 1 3 SERIES E82 E88 E90 LCi Switch Cluster Cruise control Stalk Unit 6962671
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Part no. 7445434
AdBlue Module BMW X5 F15 F20 F21 F30 F31 SCR Dosing Control Unit ECU 7445434
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Part no. 9160186
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9160186
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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 .