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
-15%
Part no. 6868251
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU ICM Control Unit 6868251
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6957123
BMW 3 Series E92 Front Left N/S Door Wiring Cables Harness Loom 6957123
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6935597-2
4 x BMW 1 3 E81 E87 E90 E91 PDC Set Parking Sensor Front Rear Titansilber Silver
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 5A4A1E1
Kafas Camera BMW G20 G30 G28 G80 F40 F44 Front Assist Camera Module 5A4A1E1
Promo price
€170.95
€102.57
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8517862-5
BMW F10 F20 F30 520d 120d 320d N47N 184HP Engine Unit ECU DDE 8517862 Automatic
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9314234
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9314234
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7638194
BMW F20 F21 F22 F30 F31 Engine Starter Motor N20 N26 N55 Petrol 7638194
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9148265
BMW E70 E87 E90 E91 E92 Seat Control Unit Module ECU 9148265
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7856817
BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9247481
BMW X3 F25 Control Module CAS Unit ECU 20dX Diesel N47N 9247481
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 6922652-1
BMW 3 X3 X5 E70 E91 E83 1 Sunroof Sliding Roof Drive Unit Motor Actuator 6922652
Promo price
€39.95
€23.97
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9231518
BMW F31 Antenna Aerial Diversity Trap Circuit 9231518
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6923502
Mini R50 One D Diesel W17 Cable Starter Base B- Wire 6923502
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9196937
BMW E93 Convertible Seat Control Unit Module ECU 9196937 FSV 7.14.0
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6916565
BMW 5 X5 Series E38 E39 E53 Hands-free Electronics Charging Module MOTOROLA
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9171900
BMW X5 E70 X6 E71 Computer Control Unit DVD Player RSE MID PLUS PL4 9171900
Promo price
€360.95
€216.57
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7316187
BMW F80 M3 F32 F33 Xenon Headlight Control Module Lear TMS 7316187
€56.95
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 6929950
BMW 5 Series E60 E61 E63 E64 LCI CD Changer Magazine 6929950
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8580390
Engine Starter BMW F40 F46 F48 B47B B47D B48E Diesel Motor Actuator 8580390
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8582280-4
BMW F20 116d N47N 116HP Engine Control ECU DDE 8582280 Automatic Transmission
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9118064
BMW 7 Series E65 E66 Centre Console Vent Storage Compartment Support 9118064
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8652443
BMW F45 Wiring Harness Motor Sensor System Module 8652443
Promo price
€42.95
€25.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8368932
BMW E39 Alarm Sensor Comfort Control Module Unit ECU 55892110
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9354290-1
BMW X1 F48 Pedestrian Protection Impact Crash Sensor Module PTS 9354290
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6782372
BMW X1 X3 Z4 E83 LCI E84 E89 E90 E91 E92 Speed Sensor Cluster 6782372
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9187539
BMW E87 LCI Body Control Module ECU H2 Junction Box 9187539
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9352786
BMW F33 F83 M4 Convertible Folding Top Roof ECU Module Control Unit CTM 9352786
Promo price
€75.95
€45.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9261598
BMW F20 F21 F22 Rear Bumper PDC Ultrasonic Sensor Valencia Orange Metallic B44
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9187541
BMW Z4 E89 ECU Body Control Module H3 Junction Box 9187541
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9270356-1
BMW F40 Mini F55 F56 Fuse Box Power Distribution Junction Relay Unit 9270356
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7556846
Battery Cable BMW E82 E90 E91 E92 N54 Alternator Starter Base B Cable 7556846
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7852630
Differential Lock Module BMW F10 M5 F80 M3 Rear Axle Control Unit ECU 7852630
Promo price
€56.95
€34.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 2990911
BMW X1 Series E84 Carrier Bracket Holder Control Module Unit 2990911
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9371789
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9371789
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9874189
BMW 1 3 Series F20 F30 MINI F56 Control Unit Air Conditioning Module 9284440
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 7856819
Battery Cable BMW F90 M5 F91 M8 Wire Lead Positive Alternator Starter B+ 7856819
Promo price
€28.95
€24.61
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9199305
KaFAS Camera BMW F10 F11 Rear View Control Unit Module 9199305
Promo price
€89.95
€53.97
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8506374-3
BMW E81 E87 E90 LCI 120d 320d N47 ECU Kit DDE 8506374 CAS3 + Key Manual
Promo price
€275.95
€165.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9367693
BMW M5 F90 G11 G12 Power Distribution Relay Fuse Box Make Contact 9367693
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 8506199-3
BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key
Promo price
€170.95
€102.57
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8369504
BMW 5 E39 Saloon Radio Signal Antenna Amplifier Coaxial Cable 8369504
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8377601
BMW E38 Door Windows Control Unit Module ECU ZB PMBT LOW 8377601
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9253637
BMW 3 5 Series F10 F11 F30 F31 Airbag Control Unit Module 9253637 65779253637
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8639582-2
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Manual
Promo price
€379.95
€322.96
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6751504
Module Holder BMW X5 E53 Rear Tyre Pressure Control Module Mount Bracket 6751504
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6844138
BMW 1 3 F20 F30 MINI F55 F56 Radio Remote Control Receiver 434 MHZ 6844138
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9210863
BMW X3 F25 Fuse Box Power Distribution Module Relay Unit 9210863
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9283429
BMW E90 E91 E92 E93 LCI Radio CD Player Multimedia Head Unit 9283429
Promo price
€569.95
€484.46
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8602802
BMW i3 I01 Hybrid Rex Engine Wiring Cable Harness Bracket Mount Trim 8602802
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9257426
Fuse Box Grouping BMW F10 F11 Fuse Placement Map Card Diagram 9257426
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6904620
BMW 7 Series E65 E66 Diversity Antenna Tuner Amplifier Wiring 6904620
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
Promo price
€113.95
€96.86
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9339825
BMW G11 G30 G31 Power Supply Module High Voltage Battery Terminal Point 9339825
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9288304
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
€113.95
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9141048
BMW E60 E87 E90 E91 Hands-Free Electronics Charging MULF2 9141048
Promo price
€71.95
€43.17
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9190107
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190107
€32.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 8588448
BMW 1 3 Series F20 F21 F30 LCI Wiring Harness Engine Glow Plug Module 8588448
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6994419
BMW G20 Power Distribution Fusebox Cover Fuse Box Terminal 6994419
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 5A37095
BMW i4 G26 Gran Coupe Electric Rear Door Wiring Harness Right Left N/O/S 5A37095
€51.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9204536
BMW E87 Footwell Light Module ECU Control Unit PL2 FRM 9204536
€42.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6803169
Air Con Module BMW F20 F30 F31 Mini F55 F56 Air Conditioning A/C Unit 6803169
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7618677
Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6960225
BMW E65 E66 E67 Sensor Vehicle Centre Air Control Unit Module 6960225
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8507885
BMW 1 3 Series F20 F30 Diesel N47N Wiring Harness Engine Gearbox Module 8507885
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6850374
BMW 1 3 Series E81 E87 E88 E90 E91 E92 Accelerator Speed Sensor 6850374 6778421
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8665279
BMW F20 M135i N55 326HP Engine Control Unit ECU DME 8665279 Manual
Promo price
€379.95
€322.96
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9305736
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9305736
Promo price
€61.95
€37.17
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9267203
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359267203 9267203
Promo price
€47.95
€28.77
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 8635815
BMW F20 F30 LCI 118i 318i B38 Gearbox Wiring Loom Harness Cable 8635815
Promo price
€32.95
€28.01
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9190110
BMW Z4 E89 Battery B+ Engine Compartment Terminal Point 9190110
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9188877
BMW F01 F02 F03 F10 F11 Steering Column Adjuster Switch 9188877
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9383176
BMW F20 F30 F34 BCM FEM BSI Body Control Module Unit 9383176
Promo price
€113.95
€68.37
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7795021
BMW E60 E61 E63 LCI Earth Cable Electrical Battery Wiring 7789757
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9118262
Antenna Amplifier BMW F10 F22 F30 F32 Module Trap Circuit Control Unit 9118262
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9171217
BMW E93 ECU Body Control Module H1 PL2 JBBFE Junction Box 9171217
Promo price
€37.95
€32.26
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 9154358
BMW E81 E87 E90 Hands-Free Electronics Charging Module MULF 9154358
Promo price
€66.95
€40.17
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6925964
BMW X3 E83 Drive For Window Lifter Motor Front Right O/S 6925964
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6798242
ICM Module BMW F10 F11 Integrated Chassis Management QL ES Control Unit 6798242
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6906347-1
BMW X5 E53 Rear Bumper PDC Plug Socket Loom Cable 6906347
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 6935597-TS1
BMW E81 E87 Front Rear Parking Sensor PDC Titansilber Silver 354 6935597
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6855995
Control Unit Module BMW F20 F21 F22 F30 F31 ECU ICM Plus 6855995
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 9131779
BMW E87 ECU Body Control Module L2 JBBFE PL2 61359131779 9131779
€28.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8387540
BMW X3 E83 Positive B Battery Terminal Point Case 8387540
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 7508637
BMW 7 Series E65 E66 N62 Starter Motor 1,8KW Petrol 7508637 7508635
€23.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7786372
BMW X5 E53 3.0d M57 Earth Cable Battery Cable 7786372 12427786372
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9156654
BMW 3 Series E93 Rear Antenna Aerial Amplifier AM/FM 9156654
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9313618
BMW 3 Series F30 F31 F80 M3 Front Rear Right O/S Wiring Loom Harness Cables Set
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
Part no. 8519668-4
BMW E90 E91 LCI 320d N47N 184HP Engine Control ECU Kit DDE 8519668 Automatic
€203.95
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6950364
BMW E65 E66 Front Right Door O/S Wiring Harness Carrier 6950364
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-15%
Part no. 9438731
BMW F20 F21 F22 F30 F31 F32 F36 Body Control Module Unit FEM LR01 9438731
Promo price
€151.95
€129.16
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 9341546
BMW F40 G20 G30 Accelerating Sensor 9341546
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-40%
Part no. 7543157-6
BMW Z4 E85 2.2i M54 170HP Engine Control Module Unit ECU Set 7543157 Manual
Promo price
€237.95
€142.77
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6940588
BMW 5 Series E60 E61 Alarm System Unit Ultra Sonic Module 6940588
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 7614083
BMW F20 F21 F22 F30 F31 F32 LCI Earth Ground Cable Battery Wiring 7614083
Promo price
€23.95
€22.75
Free delivery - Wed, Dec 31
If paid before 14:00
-5%
Part no. 6964139
BMW 7 Series E65 E66 E67 Front Control Unit Door Passenger Side 6964139
Promo price
€23.95
€22.75
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 .