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.
Make
Category
Subcategory
Condition
In Stock
Price

-5%
Part no. 6906624
BMW E87 E90 E91 Power Distribution Fuse Box Front 6906624
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9196936
BMW 1 3 Series E87 E90 E91 E92 Seat Control Unit Module ECU 6926371
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9234421
Fuse Box BMW F01 F02 F07 F10 F11 Power Distribution Front 9234421
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9227766
BMW F11 Touring Tailgate Spoiler Probe AM/FM Sensor 9227766
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7823422-1
BMW 1 3 Series E81 E87 E90 LCI 118d 318d N47 Diesel ECU Kit DDE CAS3 Key 7823422
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9133913
BMW Z4 E89 Roadster Convertible HiFi Speaker System Amplifier 9133913
€75.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9214813
BMW X5 E70 Safety Airbag Control Unit Module ECU X6 E71 Bosch 9214813
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9145350
BMW X3 E83 LCI EWS IV 4.4 Control Unit Module ECU 9145350
Promo price
€66.95
€56.91
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7569969
BMW X5 X6 E70 E71 Control Unit Module Transfer Box 7569969
€80.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9153803
BMW X5 Series E70 Light Lightning Control Unit Module FRM II Lear 9153803
Promo price
€170.95
€102.57
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9262752-1
BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9306405
BMW F20 F21 F30 F31 F32 F36 Negative Minus Battery Cable Lead Pole IBS 9306405
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9393675
BMW X3 F25 Body Control Module ECU Junction Box JBBFE III 3 V8 Lear 9393675
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9284594
BMW 1 2 Series F20 F21 F30 F30 Mini F56 Front Seat Sensor Mat Left N/S 9284594
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6822582
BMW 3 Series F30 Head Unit Basic Media Navigation Headunit 6822582
€75.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6774206
Active Cruise Control BMW E90 E91 E92 LCI Longitudinal Dynamic Module 6774206
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9399247
BMW F20 F30 F31 F32 ECU Camera Module Based Drive Support
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9261110
BMW F20 F21 F30 F31 Fuse Box Power Distribution Control Unit Box Rear 9261110
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9229880
BMW E88 Cabrio ECU Body Control Module H3 Junction Box 9229880
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6980177-2
BMW E81 E87 E90 E91 F10 F11 X5 E70 Relay Unit Green Set TYCO 5 Pins 6980177
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9293309
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9293309
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9227181
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359227181 9227181
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9264571
BMW E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359264571 9264571
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6977398
BMW 5 6 Series E60 E61 E63 R55 R56 Sensor B-pillar Airbag 65776977398 6977398
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9338298
BMW F20 F21 F30 F33 KAFAS 2 Camera Lane Assist Module Control Unit ECU 9338298
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9345322
BMW F10 LCI ECU Body Control Module V2 Junction Box PL6 JBBFE III 9345322
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9247467
BMW E82 ECU Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9240083
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9240083
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7404880
Fuel Pump Module BMW F20 F21 F30 F31 Control Unit ECU 7404880
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 7444684
BMW 1 3 Series F20 F21 F30 LCI Headlight Control Unit Module FLE2 7444684
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8039828
BMW X5 E70 Rear Bumper PDC Parking Sensor Cables Wiring Harness Loom Set 8039828
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6960221
Airbag Module BMW E65 E66 Sensor B-pillar Left N/S Control Unit Air Bag 6960221
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9395176
FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9395176
€132.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9226326
BMW E81 Body Control Module Control Unit L2 PL2RR JBBFE III ECU 9226326
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8634244
Engine Wiring BMW F45 Mini F60 B38 Loom Harness Injection Valve Ignition 8634244
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 6882971
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Air 6882971
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9251702
BMW 1 2 3 Series F20 F21 F22 F30 F31 F32 Connecting Wire Sat Nav Champ/Mask-CID
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9347878
Dashboard Monitor BMW X5 F15 Onboard Central Display Screen 10,25" 9347878
Promo price
€265.95
€159.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6850497
BMW E60 E61 E65 E87 E90 Trailer Towing Control Unit Module AHM 4R 6850497
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9296494
BMW F20 F21 F22 F30 F31 F32 Control Unit Airbag Ecu 9296494
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9261580
BMW F20 F21 F30 F31 PDC Parking Sensor Ultrasonic Glacier Silver A83
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9226882
BMW F20 F21 Rear Antenna Aerial Amplifier AM/FM DAB 9226882
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7638192
BMW F20 F21 F30 F31 N13 Petrol Engine Starter Motor Bosch 7638192
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7579155
Engine Starter Motor BMW X5 E70 LCI F07 X6 E71 N55 Petrol Denso 7579155
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9229007
BMW F10 Antenna Amplifier Diversity 868 MHZ 9229007
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6793163
BMW X5 E70 Suspension Module Self Leveling Air Supply Control Unit 6793163
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8376443
BMW X3 X5 Z4 E46 E53 E83 E85 Switch Cluster Steering Column 8376443
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9166782
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9197177-1
BMW 1 Series E88 Cabrio Footwell Light Module Control Unit ECU NSW 9197177
Promo price
€104.95
€62.97
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7567776
Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9280186
BMW 5 7 Series F10 F11 F01 F02 F03 LCI Airbag Control Module ECU Unit 9280186
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7789231
BMW X5 E46 E53 E60 E65 Preheater System Lead Cable Starter 7789231
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9216128
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU 9216128
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9366409
BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM 9366409
Promo price
€94.95
€56.97
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 1388911
BMW E36 E38 E21 E85 R52 R57 Change-Over Contact Relay Violet 1388911
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6868253
BMW F20 F21 F30 F31 ECU ICM Control Unit Module Airbag ECU 6868253
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9234424
BMW F10 F11 Fuse Box Power Distribution Control Unit Box Rear 9234424
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9317174
BMW F30 REM Rear Electronic Module Fuse Box Control Unit V2 9317174
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9247398
BMW F01 F10 F11 F12 Body Control Unit Module Gateway ZGW-01 9247398
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9291956
BMW 1 Series F20 F20N LCI Front Door Wiring Loom Harness Driver Side 9291956
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9193745
BMW 3 5 E60 E61 E90 LCI Display Screen 8.8" Monitor Sat Nav 9193745
Promo price
€94.95
€80.71
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9200822
BMW E60 E81 E90 E91 Hands-Free Bluetooth Module High MULF2 9200822
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 3405141
BMW X3 Series E83 E83N LCI Support Bracket Navigation Computer 3405141
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9365764
Head Unit BMW F10 F20 F22 F30 Navigation Sat Nav High Control Module 9365764
€123.95
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 6825538
Comfort Module Unit BMW F20 F21 F30 F31 F32 Body Control FEM ECU LR01 6825538
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9381299
BMW F20 F21 F30 F31 Business Navigation Sat Nav Head Unit Player 9365833
€47.95
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9267419
BMW E90 LCI Body Control Module H1 61359267419 9267419
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9165623
BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6962723
BMW E60 Light Control Unit Module LME6X MAN.LWR Lear 6962723
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6988965
BMW E81 E87 E90 LCI PDC Parking Ultrasonic Sensor Spacegrau 6988965
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6948689
BMW E60 E61 E63 Driver Side Door Air Module Control Unit Module 6948689
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 7591534-1
Control Unit BMW F01 F10 F20 F21 F30 F87 Integrated Supply Module Unit 7591534
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7180426
Fuel Pump Control Unit BMW E60 E81 E87 E90 E92 Module Sensor ECU 7180426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. E87-E90-PLUG-SOCKET-LOOM-PDC
BMW E81 E82 E87 E88 E90 E91 E92 Plug Socket Loom PDC Parking Sensor
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 9387624
BMW F20 F21 F30 Sensor Rain Light Solar Condensation 9387624
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6931687
BMW X5 E70 X6 E71 Fuse Box Power Distribution Electrical Unit Rear 6931687
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 8706502
BMW 1 3 4 Series F20 F21 F30 F31 Radio Remote Control Receiver 434 MHZ 8706502
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7263052
LCI Control Unit BMW X5 E70 E92 E93 Daytime Driving Lights 7263052
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7160897-1
BMW E53 E60 E65 E81 E87 E90 E91 Bulb Holder Turn Indicator 7160897
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9266350
BMW F01 F02 HiFi System Amplifier Harman Becker Audio Booster 9266350
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6820234
Air Conditioning Module BMW F20 F21 F30 F31 A/C Control Unit 6820234
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 8512499-1
BMW E81 E87 E90 E91 LCI N47 143HP Diesel ECU Kit DDE 8512499 Manual
Promo price
€132.95
€79.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6931507
BMW E60 E61 E63 E87 E90 E91 F10 Diagnosis Interface Most 6931507
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-40%
Part no. 9131850
CD Changer BMW E60 E61 E63 6-DISC Compact without Magazine 9131850
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6943585
BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9317872
BMW F20 F21 F22 F30 F31 Alpine CD Champ 2 Radio Player Head Unit 9323784
Promo price
€42.95
€36.51
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 6864208
BMW F20 F21 F22 F30 F31 Air Module ECU ICM Control Unit 6864208
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 7595179-2
BMW 1 Series E81 E87 LCI N43 116i 2.0 Petrol ECU Kit 7595179 DME CAS3 Key
Promo price
€142.95
€121.51
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 9226885
BMW F20 F21 Aerial Antenna Amplifier Diversity DAB 9226885
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00

-5%
Part no. 7237647
BMW E90 LCI F01 F10 F11 F20 F21 Control Unit Xenon Light 7237647
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 8512499-2
BMW 1 3 Series E87 E90 LCI N47 116d 316d Diesel ECU Kit DDE 8512499 CAS 3 Key
€94.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00

Part no. 6864898
BMW F20 F21 F30 F31 Parking Assistant Control Unit Module 6864898
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00

-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery - Wed, Dec 31
If paid before 14:00
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 .