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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Xenon Headlight Module BMW F22 F23 Control Unit Driver Module 7363091
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Light Module Mini R57 LCI Cooper ECU Footwell FRM3R PL3 High EKS Lear 3457586
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Mercedes W212 E220CDI BlueEFFI OM651.924 170HP Engine ECU A6519005301 Automatic
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BMW 1 3 Series E87 LCI E90 118d 318d N47 Diesel ECU KIT DDE 7807828 CAS3 + Key
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Mercedes V177 C118 W247 Fuse Box Relay Control Unit Module A1775404507
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BMW X5 E70 3.0d M57N2 235HP Engine ECU Kit DDE 7805585 + CAS3 + Key Automatic
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Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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Land Rover Freelander 2 Navigation Nav Reader DVD CD Control Unit 6G9210E887EE
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Battery Cable BMW F45 F46 Negative Lead IBS Wiring Harness 9381606
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BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8626762 Automatic
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BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
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Mercedes C292 Negative Cable Battery Terminal Sensor A1669055901
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Mini R56 LCI R60 Radio Boost CD Player Head Unit Controller Bluetooth 3456516
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Audi S6 C6 Steering Column Wiper Switch Stalk Cruize Control 4F0953549A
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BMW F07 GT F10 F11 Engine Wiring Loom Harness Cables M57Z Diesel 8507981
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Mini Cooper SD R55 R56 LCI N47N 90HP Engine ECU Kit DDE 8512415 CAS3 MANUAL
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Mercedes ML W163 270 CDI Automatic Transmission Control Module A0305452632
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Alternator Generator BMW F07 F10 N57N N57Z Diesel Engine 230A Valeo 8570672
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Mercedes W204 W451 Negative Cable Battery Terminal Wiring A2045421518
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Tuner Box Mercedes W207 W212 W218 Digital Audio Control Unit DAB ECE A2229002710
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Volkswagen VW Golf V TDI Diesel Engine Starter Motor 022911023F
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BMW E91 LCI Footwell Light Control Module LCM LED Basis FRM3R PL2 9240530
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 8200935115 Manual
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Audi A6 C7 2.0 TDI CGLC BCM Body Control Module Unit ECU 4H0907063BN
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BMW 5 6 Series E60 E61 LCI E63 E64 M5 M6 Earth Cable Starter Battery 7835548
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Mercedes W251 Fuse Relay Electrical Box Housing Cover A2515400524
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BMW Z4 E89 Roadster HiFi Speaker Sound System Amplifier AMP Unit 9118032
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Mercedes W124 E280 Comfort Control Module Unit ECU A2028200926
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Mercedes W204 Dashboard Dash Navigation Central Display Screen Monitor
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Renault Trafic III Vauxhall Vivaro B Positive Battery Cable Lead Wire 240809677R
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Mini One R56 LCI N16 1.6 98HP Engine Control Unit Module ECU DME 8617050 Manual
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Porsche Cayenne 92A VW Touareg 7P Air Suspension Module Control Unit 7P0907553AF
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Mercedes W166 Hatch Tailgate Central Module Locking Control ECU A1669003708
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Mercedes CL C215 W220 Sam Control Module Fuse Box Unit A0345459432
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Peugeot 207 1.6HDI Diesel Engine Control Unit ECU Module 9663786380
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BMW F10 LCI Central Looking Control Module Unit ECU 9313996
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BMW E66 E67 Airbag ECU Control Unit Gateway Module 6983067
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BMW E60 LCI E90 325d 525d M57N2 ECU Kit Basic Control Unit DDE 8506951 CAS3 Key
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BMW X5 Series E53 Front Bumper PDC Loom Cables Wiring Set 6960000
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BMW E90 E91 E92 Professional CCC Navigation System Controller 6949171
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Volkswagen Golf V GTI 2.0 TFSI AXX 200HP Engine Control ECU Kit 1K0907115 Manual
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Volkswagen Transporter T6 Online Services Control Module ECU Unit 5WA035282C
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BMW E88 ECU Body Control Module H4 Junction Box PL2RR JBBFE IIIR 9270646
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Mercedes W221 Door Module Rear Door Control ECU Unit Left N/S A2218704895
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Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9311296
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BMW E60 E61 Navigation Head Unit CCC CD Sat Nav Player System Controller 9159028
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ABS Sensor Mercedes W211 C219 Front Brake Wiring Harness Right O/S A2115400006
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Mercedes W166 Front SAM BCM Control Unit Module CBC V4 ECU A1669006020
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Mercedes W209 Convertible Roof Module Folding Top Control Unit ECU A2098205026
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Starter Motor Honda Civic Jazz Petrol Engine Starter Actuator 31200-RSH-E01
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BMW E90 E91 E92 N52 218HP Engine ECU DME Kit 7594483 Automatic
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Ford Transit Mk8 Fuse Box Power Distribution Relay 2.0 Diesel KK3T-14D068-JD
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Audi A4 B8 Door Wiring Harness Loom Front Cabling 8K0971029M
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Mercedes W221 Audio Sound Speakers Amplifier Control Unit ECU A2219008103
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Mercedes W205 X253 Wiring Cable Harness Center Console A2054403008
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BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Manual
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Part no. 9286129
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 9286129
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Part no. 7557395-11
Mini Cooper R50 W10 116HP Engine Control Unit ECU Kit DME 7557395 Key EWS
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Mercedes W211 Alternator Generator A0121549802
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Part no. 7589971-2
ECU Kit Mini One R55 R56 R57 N12 95HP DME 7589971 + CAS3 + Key Manual
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Part no. 6935219
BMW E46 M3 Coupe Door Wiring Loom Harness Cable Driver's Side 6935219
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Audi A4 B7 YAW Sensor ESP Rotation Rate Acceleration Control Unit 8E0907637
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BMW Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3455534
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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779005104
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BMW F20 F21 LCI F30 150HP 118d 318d B47 Engine Unit ECU DDE Set 8587952 Manual
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Mercedes-Benz W210 Rear Left Right Door Interior Handle Pull Cable A2107600204
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Door Module Mercedes C219 Front Right Door O/S Control Unit Module A2198200726
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BMW E46 Coupe Convertible Front Door Cable Harness Driver's Side Wiring 6903094
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BMW F10 Light Module Control Unit ECU Lear ZGW-02 Mid Plus 9243212
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BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161
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BMW E81 E87 LCI 120i E90 E91 320i N43 170HP Engine ECU DME 7595179 Automatic
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BMW E88 E90 E92 Switch Cluster Steering Column Indicator Wiper Stalk
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Alternator BMW G11 G12 LCI G20 G21 G30 G31 Alternator 250A Denso 8634167
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Mini Cooper One F54 F55 F56 F57 F60 Starter Motor Engine Petrol 8658275
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BMW E87 LCI Max Brose Footwell Light Module Control Unit ECU FRM3R PL2 6827064
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Mercedes SLK R170 W202 W210 Module Control Unit SRS Sensor ECU Bosch A0018200826
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Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
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Volkswagen New Beetle 1.4 TSI Petrol Engine Starter Motor 02Z911023E
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Fuse Box Mercedes CLK W203 W209 Front SAM Module Control Unit A2095451401
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Part no. 8625241-4
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8625241 + FEM + Key Automatic
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Part no. 7619333-1
Mini Cooper S R55 R56 LCI N18 1.6 184HP ECU Kit DME 7619333 + CAS3 + Key Manual
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Mercedes A209 Fuse Box SAM Control Module Relay Box A2095451701
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Mini Cooper S R52 R53 W11 Petrol Engine ECU Kit DME 7542310 Keys EWS Manual
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BMW 5 Series E60 E61 Centre Console DTC PDC Switch Center Cluster 9134025
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VW Volkswagen Golf 1K Mk5 Window Lifter Motor Module Front Right O/S 1K0959792G
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Part no. 7592080
BMW 3 E90 E91 LCI 325i N53 218HP ECU Engine Control Unit DME 7592080 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 .