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. 7809941-9
BMW E60 LCI E90 325d 525d M57N2 197HP Engine ECU Unit DDE 7809941 Automatic
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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BMW X1 F30 F31 LCI Starter Motor Engine 8612576
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Starter Motor Mercedes W204 W211 W212 OM642 Diesel Engine A0061514401
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Audi A6 C6 Bluetooth Interface MMI Multimedia Control Module ECU Unit 4E0035729
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Mercedes W212 Display Screen Multifunction Dashboard Control Unit A2129008707
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Mini One D R55 R56 LCI N47N 90HP Diesel Engine ECU Kit DDE 8516739 CAS 3 Key
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Mercedes ML W164 Remote Control DVD Media Entertainment Display A1648204189
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8510221 CAS3 + Key
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Ford Transit Engine Starter Motor Actuator Starter CC1T14000AB
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Navigation Head Unit BMW E81 E87 E90 LCI Car Computer Sat Nav CIC 9273188
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Engine Wiring Mercedes W176 W246 Diesel OM651 Loom Harness Cable A6511507386
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Mercedes C140 Body Control Comfort Unit Module BCM Unit ECU A0185458332
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BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
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Mercedes W211 Body Control Module BCM Comfort Module Unit A2115453532
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BMW 5 6 Series E60 E61 E63 Airbag ECU Control Unit Centre Vehicle Sensor
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BMW E60 E61 E63 E64 Body Gateway Module KGM LOW
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BMW F10 F11 Rear Bumper PDC Wiring Loom Cable Harness F01 F12 9336380
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655L
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Navigation Head Unit BMW F10 F11 F31 Harman Sat Nav Unit 9290358
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Audi A6 C6 Parking Brake Handbrake Module Control Unit 4F0907801
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Mercedes X117 CLA 250 270.920 4-Matic Engine Control Unit Module A2709002100
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9147221
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BMW E87 E90 116i 316i Petrol N45 Wire Wiring Harness Engine Gearbox Mod Loom
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BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
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BMW X3 F25 20dX 190HP B47 Engine Control Unit Module ECU DDE 8588946 Automatic
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Mini Cooper R56 R57 High SPEG PL3 H4 Fuse Distribution Box 3455442
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Mini F55 F56 Cooper SD B47 Diesel Engine ECU Kit DDE 8585225 BDC Key Manual
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BMW E60 E61 LCI N47 520d 177HP Engine Control ECU DDE Kit 7812500 Automatic
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
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Fuel Pump Module BMW F10 M5 F80 M3 Fuel Pump Control Unit 7398495
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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BMW 4 Series F32 F32N LCI Cable Loom Door Driver's Side Wiring Harness 9337200
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Mercedes Vito W639 Earth Cable Battery Terminal Wiring A6395400431
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Mercedes W204 W205 W212 A207 X253 Engine Starter Motor Petrol Denso A2749061600
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BMW Z4 E89 23i N52N 204HP sDrive Engine ECU Kit CAS3 + Key 7624048 Manual
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Mercedes Vito W639 Air Module System Control Unit A6394460442
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Audi Q5 8R Air Module SRS System Control Sensor ECU Unit 8R0959655E
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BMW Z4 Series E85 Sensor B-Pillar Airbag Right O/S 6933988
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BMW F10 F11 F01 LCI Central Gateway Module ECU Control Unit LEAR ZGW-02 9291449
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Relay Mercedes SLK R171 5-Pin Electrical Plug White 12V A0035422019 R1808002
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Trunk Lid Module BMW F31 F15 F16 F36 Control Unit Rear Tailgate Lift 7314798
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Renault Trafic II Alternator Generator 120A SG12B050 8200690199
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Mercedes ML W163 Alternator Generator A0001502550
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BMW E87 E90 E91 N46 118i 318i 120i 320i ECU DME Engine Control Unit 7565300
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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Renault Scenic III 1.5 Dci Engine Alternator Generator 12V 120A 8200960533
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BMW E39 523i Petrol M52 Immobiliser EWS 3 Control Module Siemens 8382454
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Audi A3 8P Body Gateway Module ECU Control Unit 1K0907530AA
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BMW 5 Series E60 E61 CCC CD Professional Navigation System Controller 9138440
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Audi A3 8P Air Module ECU Sensor Control Unit 8P0959655C
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Part no. 7621178-2
BMW 1 Series E81 E87 LCI N43 118i 143HP ECU Kit DME 7621178 CAS3 Key Automatic
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BMW F20 F21 LCI F22 M140i M240i B58 340HP Engine ECU KIT DME 8489450 FEM + Key
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Fuse Relay Box Volkswagen Audi Skoda Seat Engine Bay Supply Unit 5Q0937125A
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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BMW 3 Series E90 E91 Front Right O/S Driver Side Door Wire Wiring Loom 6938210
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Mercedes W204 Battery Fuse Box Positive Distribution Terminal A2075401550
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Mini Cooper One R55 R56 R57 Radio Boost CD Player Head Unit 3455263
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Mercedes W211 Cable Loom Wiring Parking Sensors Rear A2115406606
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Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
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BMW 5 6 Series E60 E61 E63 Sensor B-pillar Airbag Right O/S
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Part no. 03L903024F
Alternator Volkswagen VW Sharan 2.0 TDI Engine Alternator 180A Bosch 03L903024F
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Mercedes Sprinter W906 Door Module Front Right O/S Control Unit A9068203926
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BMW 5 Series E60 Front Seat Module Control Unit 6927271
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Part no. 6944962
BMW E60 E61 Centre Console Switch Centre DSC PDC 6944962
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Part no. 6970892
BMW 7 Series E65 E66 Sensor B-pillar Right Airbag O/S 6970892
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Part no. 5Q0959592F
Door Module Audi A3 8V Volkswagen Golf 7 Control ECU Front Left N/S 5Q0959592F
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Part no. 55568896
SAAB 9-3 1.9 TTiD ECU DDE Engine Control Unit Module 55568896
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Part no. 3Q0959435B
Audi TT FV Entry Keyless Kessy Control Module Unit ECU 3Q0959435B
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Part no. 7L6035177E
Volkswagen Touareg 7L Display Screen Multimedia Navigation Unit 7L6035177E
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Part no. 8610680-1
BMW F10 F11 550i F12 F13 650i N63 408HP ECU Kit DDE 8610680 Key CAS4 Automatic
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BMW F90 M5 F92 M8 G11 G15 G20 G29 G30 G32 Fuel Pump Control Unit Module 7461741
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Mercedes C CLK Class W203 C209 Sam Control Module Fuse Box Rear A2035453401
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BMW F33 Driver Side Seat Wiring Loom Electric Harness 9352158
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Mercedes W639 120CDI OM642.990 Engine Control Unit ECU Kit A6421501500 Key Lock
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Part no. 6954007-1
PDC Module BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6954007
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PDC Module Citroen Berlingo Peugeot Partner Parking Distance Unit 9663821680
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Mercedes W204 Radio Control Function Button Knob Controller Unit A2048704658
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Mercedes W202 C208 W208 W220 Parking Distance Sensor PDC Almandine Black
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Part no. 9166708-3
Footwell Module BMW E93 Light Control LCM PL2 FRM II 9166708
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Door Module Mercedes W169 W245 Front Left N/S Control Unit A1698206926
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BMW 1 Series E81 Footwell ECU Light Control Module LOW PL2 FRM3R Lear 9159812
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Volkswagen VW Golf VI Engine Starter Motor 1.6TDI 2.0 TDI Diesel 02Z911023N
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Mini One R50 R52 W10 1.6 90HP Engine Control Unit ECU Module 7557395 Automatic
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Audi A8 4E S8 D3 TV Tuner DVB Receiver Hybrid Digital / Analog 4E0910148C
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BMW X5 E53 Light Check Module Control Unit ECU Lear LCM III W / MAN. LWR 6905874
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Mini Cooper R56 Footwell Light Module High EKS ECU PL3 FRM3R 3456051
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BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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BMW E53 E60 E61 E65 E66 E83 Power Steering Speed Sensor 6777435
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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. 9240530-1
BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Part no. 7810980-1
BMW E60 E90 X5 E70 3.0sd 335d 535d M57N2 Engine ECU KIT DDE 7810980 CAS3 + Key
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Part no. A2049060205-3
Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Mercedes W169 W245 A180 B180 CDI Engine Control Module A6401507934 Automatic
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Part no. 2622593
BMW F30 F36 Telematics Bluetooth Control Unit Module ECU 2622593
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Part no. 3455534
BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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Mercedes W204 W212 C218 Sound Audio Amplifier Harman Becker A2128700194
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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 .