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. 7791190-1
BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7791190 EWS3 + Key Automatic
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BMW E60 LCI E90 E92 330d 530d M57N2 Engine Control Unit ECU DDE 7810950 Manual
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BMW G32 Navigation Sat Navi Control MMM Multimedia Radio CD Head Unit 8736164
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Audi Q2 Q3 F3 1.5 TFSI Gateway Control Unit Module ECU 3Q0907530AG
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Alternator BMW E60 E61 E87 E90 E91 N52 Generator 155A Bosch LRA02970
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BMW X1 E84 2.0dX N47 177HP Engine ECU Kit DDE 8510591 CAS3 + Key Manual
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BMW E60 E81 E87 LCI E90 Hands Free Bluetooth Module High MULF2 9229740
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BMW 7 Series E65 E66 Positive Battery Cable Plus Pole Petrol 6904903
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Alternator Generator BMW X5 E53 E60 E61 E63 E65 N62 Petrol Engine 180A C543294A
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Mini F54 F55 F56 F60 Air Module Control Unit Sensor ECU 9873243
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BMW E90 E91 LCI N47N Diesel Engine Wiring Harness Loom Cable DDE 8507796
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Seat Leon Mk3 Door Module Control Unit Front Driver's Side Door 5Q4959593E
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Air Module Mercedes ML W166 Interior Safety SRS Control Module A1669001311
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Audi A4 B8 PDC Parking Assist Sensor Control Module Unit ECU 8K0919475E
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Skoda Rapid NH1 BCM Body Control Module Unit ECU 6C0937089C
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Sensor Holder Mercedes W907 W910 Collision Warning Module Bracket A9108805600
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Ford Transit Mk7 Relay 4-Pin Fuse Electrical Unit Black FoMoCo 8T2T-CA Set x2
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Citroen Relay Peugeot Boxer Fuse Relay Electrical Box Housing Cover 6500CY
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BMW 7 Series E65 E66 Seat Control Module 9134633 9184560
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Mercedes W177 W247 Safety Module Air Module SRS Control Unit ECU A1779002510
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Mercedes W213 Ignition Control Unit Module ECU A2139003710
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BMW Mini Cooper Clubman 2 R56 LCI Light Module High EKS ECU PL3 FRM3R 3456395
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Volkswagen Touran Engine Starter Motor 02M911023N
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Mercedes W213 Mechatronic Automatic Gearbox Control Unit Module A7252701905
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Mercedes W211 Xtrons Radio Stereo Head Unit Media Player Navigation
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Starter Motor Citroen Berlingo Peugeot Partner Engine Diesel 1.6 HDI TS14E110
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Audi A6 C6 Parking Control Unit ECU Module Sensor PDC 4L0919283B
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Porsche Boxster 986 2.7 Petrol Engine Starter Motor Unit 99660410300
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Part no. 7540600-2
BMW E63 E64 645Ci N62 333HP ECU Kit Engine Control Unit DME 7540600 CAS2
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Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
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BMW 3 Series E46 Petrol Wiring Loom Harness Engine Gearbox Module 7518042
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Mini Cooper R50 R52 DME Petrol Engine Control Unit ECU 7553735 Automatic
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Part no. 284B63414R
Mercedes Citan W415 Renault Kangoo 2 Fuse Relay Box Control Unit USM 284B63414R
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Part no. 7794218
BMW E60 E61 530d Diesel M57N 218HP Engine Unit Module ECU DDE 7794218 Automatic
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Part no. A6481531279-1
Mercedes W211 S320 CDI 648.961 204HP Engine Control Unit ECU Kit A6481531279 Key
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Part no. 03C906016DL
Audi A1 8X 1.4 TSI CAXA 122HP Engine Control Unit ECU 03C906016DL Manual
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Part no. 9398997
Sound Amplifier BMW F80 M3 F82 M4 Hifi Audio Unit Active Sound Design 9398997
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BMW E64 Sound System Amplifier Amp Logic Harman Becker HiFi Unit 6943491
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Mini Countryman F60 Audio Amplifier Hifi Unit Active Sound Design System 5A4E600
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Part no. 8506666-4
Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Audi A6 C7 Front Door Control Module Unit ECU Driver's Side 4G8959793E
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Mercedes W176 W246 Battery Box Trim Housing Cover Support Panel A2465410205
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Part no. 7787354
BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
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Part no. 1508927-1
Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Audi Q7 4L Air Suspension Adjustment Module Control Unit ECU 4L0907553
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Fuel Flap Mini R61 Paceman Fuel Filler Cover Cap Light White B15 9808990
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Audi Q5 8R 2.0 TDI CGLC Adblue Control Module Unit ECU 4G0907355C
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Dashboard Monitor BMW G30 G31 Onboard Central Display Screen 10,25" 8715339
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Part no. 3456051-1
Mini Cooper R57 LCI Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW X3 E83 LCI Light Module Control Unit ECU Lights LM II LWR 3451528
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Mini F55 F56 Cooper D B37 Diesel Engine ECU Kit DDE 8582719 BDC + Key Automatic
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Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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BMW 5 Series E60 E61 Centre Console DSC PDC Switch Center Cluster 6949450
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BMW F20 F21 125i N20 218HP ECU Control Unit Kit DDE 8601159 Key FEM Automatic
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Mercedes W164 Battery Starter Alternator Wiring Harness Cable OM642 A1645401730
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YUASA 5000 12V Accumulator Battery 65Ah 640A HSB013
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BMW E90 E92 320d N47 177HP ECU KIT DDE CAS3 + Key 7811700 Manual
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Seat Ibiza V KJ1 Keyless Entry Amplifier Aerial Antenna Module Inner 5K0962132B
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Audi A6 C6 Diagnostic Interface Gateway Control Module Unit ECU 4F0907468D
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Volkswagen Polo 6R 3D Front Right O/S Door Wiring Harness Cable Loom 6R2971121GS
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Audi Volkswagen Seat Relay Unit Module 6 Pins 12V 191955531
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Mercedes C140 Fuse Box Relay Cover Lid Control Unit Bracket Trim A1405400282
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VW Volkswagen Audi Seat Skoda Glow Plug Relay Unit Black 511 9 Pins 04L907282
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BMW X5 E70 X6 E71 CIC MID CD Player Audio System 9263944
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Mercedes W211 Door Module Rear Left N/S Control Unit ECU A2118703385
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Volkswagen GOLF CD1 Multimedia Display Screen Radio Sat Nav Head Unit 5H0919605B
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Part no. 7519308-3
BMW X5 E53 3.0i M54 231HP ECU Kit DME 7519308 Manual + EWS3 + Key
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Part no. 8K0907063AC
Audi A5 8T Onboard Comfort Supply Control Module Unit ECU 8K0907063AC
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Mercedes V177 Head Air Module Roof Side Curtain Right O/S A1778607601
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Part no. 13295310
Positive Cable Vauxhall Insignia Battery Starter Alternator Plus 13295310
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BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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BMW Z4 E89 sDrive 20i N20 184HP Petrol Engine ECU Kit CAS3 + Key 7645762 Manual
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Ford Galaxy Mondeo MK4 2.0 TDCi Alternator Bracket Mount Support 4M5Q-10239-CC
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Mercedes S65 W221 Ipod Interface Multimedia Control Module B67824245
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Mercedes Sprinter W903 Fuse Box Relay Electrical Box Unit A9015400350
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Mercedes Sprinter W906 W907 Positive Battery Cable Wiring A9064401066
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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BMW Z4 E85 E86 6-Disc CD Multi Changer Control Unit Modul With Magazine 9112762
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Audi Q3 8U 2.0 TDI DFTA Gateway Module Control Unit ECU 8U0907468AE
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Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414
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MMI Multimedia Audi A4 B9 A5 F5 Q5 FY Navigation Control Head Unit 8W5035035A
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Part no. 8600124-2
Mini One R56 LCI R60 N16 Engine Control Unit ECU DME 8600124 + CAS3 Automatic
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BMW 3 E46 M52 Engine Automatic Gearbox Module Wiring Cable Loom Harness 1440000
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Audi A4 B9 A5 F5 Door Module Rear Right Left N/O/S Control Unit 8W0959595M
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Ford Transit Connect Earth Ground Cable Battery Lead Wiring Loom FV6T14324BFA
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Part no. 7613226-1
Mini Cooper S R56 LCI N18 184HP ECU Kit Control Unit DME 7613226 CAS Key Manual
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BMW E92 Xenon Footwell Light Control Module LCM PL2 FRM II 9166708
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Rear Electronic Module BMW F20 REM Fuse Box Control Unit V1 9298958
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Part no. 8R0971095D
Audi Q5 8R Front Bumper PDC Parking Sensor Wiring Harness Loom 8R0971095D
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Mercedes W211 E220 CDI 646.821 170HP Engine Unit ECU Kit A6461503272 Key Lock
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BMW F07 GT Light Control Footwell Module Unit ECU FRM III 9236459
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Part no. 7541335-4
BMW X3 E83 2.5i M54 192HP ECU Engine Control Kit DME 7541335 EWS3 Key MANUAL
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Part no. 8K0907064FF
Audi A4 S4 B8 Body Control Comfort Unit Module BCM2 Unit ECU 8K0907064FF
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Part no. 5A0BB70
Mini Cooper One F54 F60 Body Control Unit Basic Module BCM 5A0BB70
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Part no. 7823934-3
Mini Cooper D R55 R56 Diesel W16 109HP ECU Kit DDE 7823934 CAS3 Key Automatic
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Part no. 04C903023L
Audi A1 8X 1.2 TFSI CBZA Petrol Engine Alternator Generator 04C903023L
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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 .