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. 7788680-4
Starter Motor BMW E46 E60 E83 E53 M57N Diesel Engine Starting Unit 2KW 7788680
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Mini R60 Amplifier Control Unit HiFi Audio Harman Kardon R57 R58 R61 9239605
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VW Volkswagen Touareg 7L Radio Player Navigation Sat Nav Head Unit 7L6035191R
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BMW E87 LCI E90 120i 320i N43 170HP ECU Engine Control Unit DME Manual Gearbox
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Audi Q3 8U Display Screen Multimedia Navigation Sat 8U0857273B
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Wiring Harness Mercedes W176 A45 AMG Petrol M133 Low Temperature Pump Adapter
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Wiring Loom BMW F01 F07 F10 F11 Cable Seat Driver's Side Set 9219987
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BMW E60 E61 E63 E64 Micro Power Control Module MPM ECU 6939655
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Mercedes W204 Navigation Radio Player Head Unit Hazard Seat Switch A2049009907
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BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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BMW 1 Series E81 E87 LCI N43 118i 143HP ECU Kit DME 7621178 CAS3 Key Automatic
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BMW X5 E53 X3 E83 Mini R50 Central Lock EWS III Immobilizer Module ECU
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BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
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Mini Cooper One R56 High PL3 SPEG DC/DC M3 Fuse Distribution Box 3453294
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Mini R50 R52 DME Petrol Engine Control Unit ECU 7553735 Manual
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BMW X5 E53 Navigation System Video Module Control Unit High 9126251
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Mercedes CLK C209 Fuse Box Relay SAM Module Control Unit A2095452001
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Mercedes CLA 200 C118 Instrument Cluster Electronics Control Module A2479007314
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Vauxhall Combo Fiat Punto 1.3 Diesel Starter Motor 51810307A152
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Mercedes W203 W210 W220 DIesel Glow Plug Relay Module Unit A0285454032
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Mini Cooper S R60 ALL4 N18 1.6 184HP ECU Kit Unit DME 7620985 CAS3 + Key Manual
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BMW X5 E70 Footwell Light Module Control Unit ECU FRM II AHL Lear 9166666
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Mercedes Vito W639 Parking Sensor Warning Device Display A0015422623
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Audi A7 4G S-Tronic NSK Automatic Gearbox Control Module Unit 4H0907163A
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BMW E60 E63 E90 E91 LCI Dashboard Dash Monitor Display Screen 6,5 6938109
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BMW 1 Series E82 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9176877
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Audi Q3 8U Battery Positive Terminal Cable Plus Pole Wiring Harness 5N0971228F
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Mini Cooper R55 R56 R57 LCI R58 R59 CHAMP 2 Navigation 9255065
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BMW X3 F25 Footwell Light Module Control Unit ECU FRM3 9394669
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Mercedes-Benz C-Class W203 Airbag System Control Unit Module ECU A2038206385
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Ford Transit Mk8 2.2 TDCI Alternator Generator CC1T-10300-CD
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BMW E81 E87 LCI E90 E91 N47 DDE 7807529 Engine Control Unit Diesel ECU Manual
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BMW X5 Series E53 Rear Third Stoplamp Stop Lamp Brake Light White 6923970
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Engine Starter Mini One D W17 R55 R56 Engine Starter Motor Diesel Valeo 7805098
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BMW X5 X6 Series E70 E71 Transfer Box Control Unit Module ECU 7605031
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BMW E90 E91 LCI 318d N47N 143HP Engine ECU Kit DDE 8512043 CAS3 Key Automatic
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BMW Mini Cooper R55 R56 LCI N16 Engine Wiring Loom Injection Ignition
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Radio Head Unit Mercedes C117 W176 W246 Navi CD Player Navigation A2469000112
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3456586
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BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126939664 6939664
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Mercedes S212 E250CDI BE OM651.924 204HP Engine Unit Module ECU Kit A6519005301
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Mercedes W118 W177 W247 Front Radar Distance Control Unit Module A0009056121
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Mini Cooper One R56 High SPEG Fuse Distribution Box SPEG High 3448964
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Mercedes Vito W639 Door Module Front Left N/S Control Unit ECU A6399003101
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Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Mercedes W166 Front Door Module Left N/S Control Unit ECU A1669005012
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Range Rover L322 3.0 Starter Motor Diesel Engine Denso 7787925
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BMW F10 F20 F30 Reversing Camera Rear View Control Unit 9350995
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Skoda Octavia II Crash Thrust Air Module Sensor 1K0955557B
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Mercedes R171 Seat Air Module Control Unit Front Left N/S A1718600105
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Mercedes SLK R171 Door Module Front Left Control Module A1718206926
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BMW E61 Touring Body Control Module ECU Control Unit High 9176070
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Audi A3 8P Body Control Comfort Unit Module BCM Convenience Unit 8P0959433
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Audi A3 S3 8P Engine Bay SAM Relay Fuse Box Module Control Unit ECU 1K0937124P
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Ford Connect Diesel Engine Wiring Cable Loom Harness 7T1T9H589BD
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BMW E88 ECU Body Control Module H3 PL2 JBBFE II Junction Box 9187541
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BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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Mercedes W169 W211 6 Disc CD Changer Player Glove Box A2118275542
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Mercedes W164 W251 Air Suspension Level Control Unit Module Airmatic A2515454132
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Bosch 8571358
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Fuse Box Mercedes W211 W219 Junction Relay Control Unit Module SAM A2115459001
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Part no. 8573258-1
BMW F20 F21 116d N47N 116HP ECU Kit DDE 8573258 + Key + FEM Manual
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Starter Motor Mercedes W164 OM642 Diesel Engine Starter Actuator A0061514101
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Mercedes-Benz W221 Distronic Intelligent Cruise Control Radar Unit A2129004603
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BMW F20 F21 F30 F31 Mid-Range Sound Speaker Stereo HiFi Harman Kardon
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Part no. 3456394-1
Light Module Mini R55 LCI Cooper ECU Footwell FRM3R LOW EKS Lear 3456394
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Parking Sensor PDC BMW i3 I01 Front Bumper Ultrasonic Ionic Silver B93 9302569
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Door Module Mercedes W204 W212 Rear Right O/S Control Unit Module A2129001327
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Mercedes W639 3.0CDI OM642.990 Engine Control Unit ECU A6421501500 Automatic
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Part no. 7580279-5
BMW E81 E87 LCI E90 120i 320i N43 170HP ECU Kit DME 7580279 CAS3 Key Automatic
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Part no. 7620987-3
ECU Unit Mini Cooper R55 R56 LCI R60 Petrol N16 122HP Engine DME 7620987
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BMW X6 F16 Bumper PDC Wiring Loom Parking Sensor Rear Cable Harness 9367702
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MINI Cooper R55 LCI Footwell Light Module Unit High EKS PL3 FRM3R 3456952
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Seat Ateca Double USB C Charging Port Socket Connection Module 575035736
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BMW X1 Series F48 Head Air Module Roof Curtain Left N/S 7352601
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Part no. 8586540-4
BMW X5 F15 X6 F16 30dX N57N 258HP Engine ECU Kit DDE 8586540 BDC Key Automatic
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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Mercedes W639 W906 Battery Terminal Fuse Box Control Unit Module A6385454440
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BMW E60 E87 E90 120d 320d 520d N47 ECU Kit DDE 7809000 CAS3 + Key Automatic
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Transmission Module Mercedes C117 AMG Petrol OM133 Gearbox Control A0009002010
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Audi A3 8P Battery Clamp Positive Plus Pole Cable Protection Panel 1K0971920
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BMW E46 E60 LCI E83 E87 M47N2 Diesel Starter Motor 7787356
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BMW F30 Fuse Box Relay Control Unit Module 9314235
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BMW 5 7 Series E60 E61 E65 Front Passenger Seat Angle Adjustment Drive 9146329
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Mercedes GLC X253 GLC 220d Diesel OM651 Engine Starter Motor Bosch A6519064800
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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BMW F20 F21 F30 F31 N47N Wiring Loom Harness Engine Gearbox Module 8585642
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional DAB Unit 9289118
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BMW X3 F25 30dX Diesel N57N 258HP Engine Module ECU DDE 8577839 Automatic
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BMW F10 F20 F30 Camera Module Reversing Rear View Camera Control 9259354
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Part no. A6511501488
Mercedes Vito W639 OM651.940 Diesel Engine Wiring Cable Loom Harness A6511501488
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Part no. 7599881-2
BMW E87 LCI E90 118i 318i N43 143HP ECU KIT DME 7599881 CAS3 + Key Automatic
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VW Volkswagen Touran Golf Polo Interface Module Multimedia Control 5N0035342B
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BMW F30 F31 F32 Bluetooth Player Unit Radio Professional CD 9290989
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Part no. 1388277080
Citroen Relay 35L III Positive Battery Wiring Loom Harness Diesel 1388277080
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Part no. A2118206026
Mercedes W211 Rain And Light Sensor Control Unit Module ECU A2118206026
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Part no. 7527072-7
BMW Z4 E85 2.5i M54 192HP Engine ECU Control Unit Module DME 7527072 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 .