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. 9287535-1
Key Reading Module BMW E60 E61 E81 E87 E90 E91 CAS 3 ECU Control Unit 9287535
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BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9134483
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Mini R50 R52 R53 Positive Battery Terminal Cover Cap Red 8385236
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BMW E87 LCI E90 N43 118i 318i ECU Control Unit Kit DME 7595179 CAS3 + Key
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BMW 1 3 X1 SERIES E81 E87 E88 E90 E91 Parking Control Module Unit PDC 6947796
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VW Volkswagen New Beetle Cabrio Side Impact Crash Air Module Sensor 6Q0909606G
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On Board Monitor BMW E60 E63 E90 Dashboard Display Screen 8.8" 9114362
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BMW E81 E87 LCI E90 120i 320i Petrol N43 170HP Engine ECU DME 7579142 Manual
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Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
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Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B
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Mercedes W169 SAM Module Control Fuse Box Unit A1695405645
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
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SAM Module Mercedes W204 Control Unit Electrical Fuse Box Unit A2049005201
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Audi A3 8P Door Window Lifter Regulator Motor Front Left N/S 8P0959802K
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Audi TT FV Central Gateway Control Unit Module ECU 8S0907468B
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Door Wiring BMW X3 G01 F97 X4 G02 F98 Cable Harness Rear Left Right N/O/S
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BMW E90 ECU Body Control Module H1 61356983302 6983302
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BMW E53 E60 E61 E65 E66 E83 Power Steering Speed Sensor 6777435
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Mercedes W207 W212 Head Unit CD Player Radio Navigation Controller A2129006417
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Mini F54 F55 F56 F57 F60 Petrol Engine Starter Motor 7649090
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Mercedes S204 Rear Trunk SAM Central Electric Base Control Module A2049065602
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VW Golf MK5 1.9 TDI BKC Engine Alternator Mount Support Bracket 03G903143A
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Audi TT FV Air Module ECU Control Unit Crash Sensor 5Q0959655P
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BMW E87 E90 E90N E91 E92 E93 Alternator Generator Diesel 7802471
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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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Mercedes C204 C207 C214 C218 Module Fuel Pump Control Module Unit A0009004301
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BMW 5 7 X3 X5 X6 F10 F11 E70 E71 F01 F02 Rain Light Solar Sensor Unit 9123152
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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Display Mercedes C205 Dashboard Central Multimedia Car System Screen A2059002211
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Citroen Relay Jumper 35L Alternator Bracket Belt Tensioner Holder 9807162780
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Seat Control Module Mercedes A172 A190 A197 A207 A231 ECU Unit A1729000402
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Vauxhall Opel Insignia A 2.0 TDCI Engine Control Module 55585024 Manual
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Mercedes W212 Front Bumper PDC Wiring Parking Sensor Loom Harness A2124403758
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BMW E87 ECU Body Control Module Unit H2 PL2 JBBFE 6983304
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Module ULF BMW X3 X5 E53 E83 E87 Hands Free Bluetooth Charging 6980130
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Part no. E87 E90 Cable Aux 178cm
BMW 1 3 5 6 7 X1 X3 X5 X6 Series E81 E87 E90 Cable Audio Aux In Socket 178cm
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Mercedes W176 180 CDI OM607 Engine Control Unit Module ECU 237101754R Automatic
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Mercedes W140 Electric Seat Adjustment Control Unit Module ECU A1408205126
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VW Golf Mk5 Engine Wiring Loom Cable Harness Injector Module Diesel 03G971826A
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Land Rover Range Sport L320 3.0 D Alternator Mount Support Bracket AH3210239BA
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Head Unit BMW F30 F31 F32 Radio Professional CD Player Control Module 9357988
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Mini R50 R52 R53 Radio Boost CD Player Unit Head 6941509
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Audi S8 D3 Digital Radio DAB Tuner Receiver Module Kenwood 4E0035583C
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Mercedes W639 113 CDI 651.940 136HP Engine Module ECU Kit A6519009302 Key Lock
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VW Volkswagen Polo Mk5 6R Radio Multimedia Display Navigation Unit 6C0919603A
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Part no. 8P0907063A
Audi A3 8P BCM Body Control Unit Comfort Module 8P0907063A
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Parking Brake Module BMW F10 M5 F12 F13 M6 Control Unit Lock Module 2284105
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BMW X1 E84 Reversing Rear View Camera Control Unit Module 16129510
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BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
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Audi A3 8P Multimedia Stereo Sat Nav CD Player Radio Head Unit 8P0057186SX
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Mercedes W124 S124 Ignition Engine Control Unit Module A0155457032
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Part no. 8610006-1
Mini Cooper S R56 LCI N18 1.6 184HP Engine ECU Kit DME 8610006 CAS3 Key Manual
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MINI Cooper R52 R53 W11 170HP Engine ECU Control Unit DME 7545789 Manual
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9204842
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BMW F06 Footwell Light Module Control Unit ECU FRM3 6992947
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BMW X5 E70 30sd M57N2 286HP Engine ECU Unit DDE 8509036 Automatic
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BMW F34 GT Mini F55 F56 F60 Radio Remote Control Unit Receiver 434 MHZ 7928646
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6870277
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Volkswagen Golf Mk6 Alternator Generator Electrical Unit Valeo 03L903023F
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Mercedes W176 W204 W207 W212 W246 Fuel Pump Module Control Unit ECU A0009007306
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Volkswagen Transporter T5 2.0 TDi CAAA Positive Battery Cable Wire 7E0971794A
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Part no. 90464760
GM Vauxhall Opel Relay 4-Pin Glow Plug Unit Black Tyco 90464760
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Part no. 3455896-1
Mini R57 Convertible ECU Footwell Light Module High EKS PL3 FRM3R 3455896
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Wiring Harness Mercedes W203 M271 Kompressor Petrol Engine Camshaft A2711502733
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Part no. A1635452132
Mercedes ML W163 Seat Module Control Unit Front Left Right N/O/S A1635452132
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Part no. 3428544
BMW X3 E83 LCI Fuse Box Grouping Map Diagram Location 3428544
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Part no. 8573258
BMW F20 F21 F30 F31 116d 316d 118d 318d Diesel N47N Engine ECU 8573258 Manual
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Part no. 8627124
BMW X1 F48 Mini F55 F56 B37 B47 Engine Alternator Generator Denso 150A 8627124
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Part no. 6784961
BMW E81E88 E90 E92 Speed Sensor Yaw Rotary Rate Sensor Adaptive Steering 6784961
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Part no. 6921566
BMW E65 Control Unit Power ECU Module 6921566 6943489 6935431 6957026
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Fiat Doblo 1.3 Diesel Multijet 90HP Engine Control Unit Module ECU 55246588
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Skoda Yeti 5L Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156G
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BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Ford Transit MK6 2.2 TDCi Diesel Engine Starter Motor 6C1T-11000-AE
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Part no. 02E911023S
Audi TT 8J 2.0 TFSI CESA Petrol Engine Starter Motor 02E911023S
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Part no. 1406067
Alternator Ford Transit MK2 Sierra Scorpio 2.0 Engine Generator 1406067
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Air Suspension Module Mercedes W212 Regulation Level Control Unit A2129003608
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Mercedes W221 Fuse Box SAM Relay Control Unit Signal Module Front A2219007102
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BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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BMW F30 F31 F32 PDC Wiring Front Bumper Cable Loom Harness 9326026
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Mercedes GLC X253 Central Display Dashboard Infotainment Screen A2539006905
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Radio Head Unit Mercedes W212 COMAND Navi CD DVD Player Navigation A2129008404
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BMW 1 3 Series E81 E87 E90 E91 E92 6-disc CD Changer With Magazine 6958198
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BMW X1 Series F48 Head Air Module Roof Curtain Left N/S 7352601
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Part no. 8635624-3
Mini One F56 B38 102HP Petrol Engine ECU Control Unit Kit DME 8635624 BDC Keys
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Part no. 4E0919283C
Audi A8 D3 PDC Parking Distance Sensor Control Unit Module Rear 4E0919283C
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Audi A5 8T 5 Door Rear Bumper PDC Parking Sensor Wiring Harness Loom 8K0971104AF
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Part no. 6916407
BMW E53 PDC Parking Control Module Unit PDC 6916407 66216916407
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Part no. RHD-9322122
Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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Part no. 7621178-10
BMW E81 E88 E90 N43 118i 318i 143HP Engine Control ECU DME 7621178 Automatic
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Part no. 7577968-2
BMW E60 E90 N52 325i 525i ECU Kit Control Unit DME 7577968 CAS2 Key Automatic
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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 .