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. 8506666-4
Mini One R56 LCI R60 90HP Diesel N47N Engine ECU Kit DDE 8506666 + CAS3 + Key
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Anti Theft Module BMW X3 X5 E39 E46 E53 E83 Control Unit EWS IV 6988104
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BMW E60 E61 E90 E91 325i 525i Petrol N52 ECU Kit DME 7555361 CAS2 + Key Manual
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BMW F10 F11 F30 F31 Wheel Module Tire Pressure Control RDC 433MHZ Unit 6798872
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Ford Transit Mk7 Diesel Engine Alternator Generator Unit 6C1T-10300-CD
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Audi A5 8T Stereo DAB CD Player Radio Receiver Head Unit 4G0035061N
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Audi A6 C7 Central Gateway Control Unit Module Relay ECU 4G0907468AC
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BMW F20 F21 F22 F30 F32 Front Electronic Module Control Unit FEM 9325653
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BMW 1 3 X1 SERIES E81 E87 E88 E90 E91 Parking Control Module Unit PDC 6947796
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Motor Engine Starter Mercedes R172 W204 C207 W212 M271 Petrol A0061517201
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Audi A5 8T Park Parking Assist PDC Distance Control Unit Module 8K0919475B
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PDC Module BMW G30 G31 G11 X3 G01 Parking Assistant Control Unit 9891698
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BMW X1 E84 Display Screen Monitor On-Board CID TV Navigation System 8,8" 9289582
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Audi TT FV Impact Body Sound Accoustic Control Module ECU 8S0907159
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Part no. 059911024J
Volkswagen Touareg 7L 3.0 TDI Diesel Engine Starter Motor 059911024J
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Mini Cooper S R56 Automatic Gearbox TCU ECU Control Unit EGS Module 7574294
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Part no. 2S6T-14A073-AC
Ford Transit Connect Fuse Box Power Distribution Junction Relay 2S6T-14A073-AC
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Part no. A6461532891-3
Mercedes Vito W639 111 CDI 646.982 109HP Engine ECU Kit A6461532891 Key Lock
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Part no. 03G903016G
Audi Q5 8R 2.0 TDI CJCA Diesel Engine Alternator Generator 03G903016G
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Mercedes W177 Ambient Lighting Control Module Unit ECU A1779002610
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BMW X3 Z4 Series E83 E85 E86 Radio Business CD Player 9205278
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Mercedes W906 Fuse Box Relay Control Unit Electric Module SAM A9069005504
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Part no. 8519663-3
Mini Cooper D R55 R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 CAS 3 Key
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BMW F20 F21 F30 LCI DENSO 170A Alternator Generator 7605060
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Part no. 8591073
BMW F20 F30 LCI 120d 320d ed B47 163HP Engine ECU Unit DDE 8591073 Manual
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Part no. P0148459-PS
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Pure Silver - 900
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Part no. 8626763
Mini F55 LCI N16 Petrol Oil Pump Adapter Solenoid Valve Wiring Harness 8626763
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Part no. 9131780
BMW 3 Series E92 ECU Body Control Module Junction Box L1 PL2 JBBFE 9131780
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CD Radio Citroen Relay Peugeot Boxer Audio Player Head Unit 7355333750
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Part no. A1665420518
Battery Wiring Mercedes ML W166 Battery Negative Terminal Cable Wire A1665420518
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SAM Module Mercedes SLK R172 Rear Fuse Relay Signal Actuation Module
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Part no. A2048203285
Mercedes W204 Xenon Headlight Ballast Control Unit Module A2048203285
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Part no. 3451925
Mini Cooper One R56 High SPEG DC/DC M3 Fuse Distribution Box 3451925
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Part no. A2129005722
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Part no. 9259425-1
Positive Battery Cable BMW F30 F31 F80 M3 F82 M4 Plus Pole Power Red 9259425
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Part no. 8384527
BMW X5 Series E53 Electrical Power Distribution Fuse Box 8384527
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Part no. A2465405901
Mercedes-Benz A B W176 W246 Left Right Seat Wiring Loom Harness A2465405901
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Part no. 7797216-2
BMW E87 E90 E91 118d 318d M47N2 Engine ECU Kit DDE CAS2 Key 7797216
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Part no. 9659285480
Peugeot 207 1.4 HDI Fuse Box BSI Control Unit Module ECU 9659285480
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Part no. 5Q0959651B
Audi A3 8V Front Impact Sensor Crash Detection Module Unit 5Q0959651B
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Part no. 7582309-1
Mini R55 R56 R60 R61 Engine Starter Motor Mitsubishi 7645594
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Part no. 9126314
BMW E92 Xenon Footwell Light Module Control Unit ECU FRMFA 9126314
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Part no. 1480790-1
Mini R50 R53 Fuse Relay Electrical Box Housing With Cover 1480790
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Part no. 5Q0959593B
Audi A3 8V Door Module Control Unit Front Driver Side 5Q0959593B
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Module BMW E82 Junction Box Body Comfort Control Unit 9286780
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Gateway Module Audi A3 8P Volkswagen Golf Mk5 Control Unit 1K0907530Q
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Part no. 8039827
BMW X5 E70 Front Bumper PDC Parking Sensor Wiring Loom Cable Harness 8039827
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Part no. 8E0959433CR
Audi A4 B7 Body Comfort Control BCM Supply Module Unit ECU 8E0959433CQ
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Part no. 9137804
Mini Cooper One R55 R56 R57 R58 R59 Drivers Door Wiring Harness Loom 9137804
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Part no. A2038700026
Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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Part no. 4F0907289N
Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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Part no. 8639595-6
BMW F30 328i F32 428i N20 245HP Engine Unit ECU Kit DME 8639595 Key + FEM
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Part no. 9267609
BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9267609
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Part no. 06J903023B
Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B
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Mercedes W164 Tailgate Boot Lid Control Unit Module A1648702726
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Part no. 3450980
Mini Cooper R56 Footwell Light Module ECU Control Unit Lear PL3 FRM II 3450980
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Part no. 6939664
BMW X3 Z4 E83 E85 E86 Radio Business CD Player 65126939664 6939664
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Part no. A2049820202
Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
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Part no. 7789980
BMW E46 M47N M57N Alternator Generator 150A Valeo 7789980
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Part no. A0025409117
Mercedes W221 Blind Spot Radar Distance Sensor Rear Left Right N/O/S A0025409117
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Part no. 1371887080
Peugeot Boxer Body Control Module Control Unit BCM Fuse Box 1371887080
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Part no. A9015407309
Mercedes W901 OM602 Ignition Lead Electrical Cable Harness A9015407309
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Part no. 7799152
Mini One D R50 Diesel W17 88HP Engine Control Unit ECU DDE 7799152 Manual
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Part no. 6872887
BMW X5 Series E53 Wheel Electronics Module RDC 433MHz Control Unit 6752128
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Part no. 9317941-1
On-Board Screen BMW F45 F46 Central Information Display Monitor 6,5" 9317941
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Part no. 9319492
Air Module BMW X3 F25 F10 F11 F12 F13 ECU Control ECU Unit 9319492
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Part no. 7520019-13
MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Part no. 7792544-1
Mini One D R50 Diesel W17 88HP Engine ECU Kit DDE 7792544 + EWS + Keys Manual
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Part no. 504121602
Iveco Daily 2.3 Diesel Engine F1AE0481 Unit Module ECU Manual 504121602
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Part no. 6876227
BMW F32 Tyre Pressure RDC Control Unit Module ECU 6876227
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Part no. A1715450901
Mercedes SLK R171 Front Fuse Box SAM Relay Control Unit Module A1715450901
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Part no. 7515029-2
Mini R50 R52 Petrol W10 Compact Alternator Generator 105A 7515029
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Part no. A6409004600
Mercedes W245 B180 CDI 640.940 Engine Control Unit ECU A6409004600 Automatic
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Part no. 8XA959655A
Audi A1 8X Air Module Control Sensor SRS System ECU Unit 8XA959655A
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Part no. A2229005118
Mercedes W205 Ambient Color Light Module ECU A2229005118
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Part no. 9226711
BMW E60 E87 E90 E91 Hands Free Electronics Charging MULF2 Module 9226711
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Part no. 6759599
BMW E60 E61N LCI E65 EDC-K Control Unit Moudule ECU 6759599
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Part no. 7561834-16
BMW E87 E90 E91 120i 320i N46 150HP ECU KIT DME 7561834 CAS2 + Keys Automatic
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Part no. 8379626
BMW 5 Series E39 Right O/S Air Box Pollen Microfilter Service Cover 8379626
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Part no. 7561834-19
BMW E87 E90 N46 118i 318i 129HP ECU KIT DME 7561834 CAS2 Key Automatic
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Part no. A0008206926
Acceleration Sensor Mercedes S124 R129 Front Seat Belt Locking Retractor Module
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Part no. 3456586
Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3456586
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BMW F20 F30 120d 320d 184HP Engine Control Unit N47N ECU DDE 8574093 Manual
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Display Screen Citroen Berlingo Peugeot Partner Dashboard Monitor 9803399680
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Mini Cooper F55 F56 F57 F60 Starter Motor Engine 8570845
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Part no. 7823706
Mini Cooper R55 R56 R57 LCI Engine Wiring Harness Loom DDE 7823706
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Mercedes W204 Rear SAM Module Fuse Box Relay Control Unit A2049060205
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Citroen Dispatch Jumpy III 9HM DV6UC 1.6 Diesel Engine Module ECU 9807885980
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Mercedes W221 Air Suspension Control Unit Module Airmatic A2215404062
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Part no. 6934529
BMW X3 X5 Series E53 E83 EWS III Central Locking Immobilizer Module ECU 6934529
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Part no. 9232896-2
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen 8,8" Unit 9232896
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Part no. A2129005722-1
Mercedes W204 SAM Module Fuse Box Relay Control Unit A2129005722
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Part no. A2124400314
Mercedes W164 W204 Fuel Pump Module Control Unit ECU A2124400314
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Part no. 7530357
BMW Mini Cooper S R52 R53 Auxiliary Wiring Harness Servo Pump 7530357
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Part no. 8517727-4
Mini One D R56 LCI R60 90HP N47N Engine ECU Kit DDE 8517727 CAS3 Key Manual
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Part no. A2059002141
Mercedes W205 Air Module Control Unit SRS ECU A2059002141
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Part no. A2045420523
PDC Display Mercedes W204 W207 W212 Parking Sensor Control Screen A2045420523
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Part no. A0009002720
Mercedes Sprinter W907 Parking Control Unit Module Sensor Parktronic A0009002720
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Part no. 7549284
BMW E87 E90 118i 318i N46 Wiring Loom Cable Harness Engine Gearbox
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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 .