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. 9277818
Antenna Amplifier BMW F23 Cabrio FM Radio Booster Unit Module 9277818
Promo price
€61.95
€52.66
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9149835
BMW X5 E70 Front Seat Control Unit Module Driver's Side 9149835
Promo price
€56.95
€34.17
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9153802
BMW X5 E70 Footwell Light Module Control Unit ECU FRM II NSW Lear 9153802
Promo price
€146.95
€124.91
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 3453247
BMW X3 E83 E90 Engine Automatic Gearbox Module Wiring Cable Loom Harness 3453247
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8577238
BMW F30 F31 Sterter Motor Alternator Cable Wiring Loom Harness 8577238
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9270356-2
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270356
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6882780
BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7174403-5
BMW E92 Coupe Rear Light Lamp Plug Socket Wiring Left N/S 6984754
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9130047
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9276009
BMW F07 GT Rear Antenna Aerial Amplifier AM/FM DABIII FBD2 868MHZ 9237057
Promo price
€189.95
€161.46
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9287756
Loudspeaker Centre BMW F25 F15 Central Woofer Audio Speaker 9287756
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 3412336
BMW X3 E83 Battery Cable Negative Wiring 3412336
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6907313
BMW E65 E66 Wiring Loom Cables Rear Bumper PDC 6907313
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9181454
BMW X1 E84 Aerial Antenna Noise Suppression Filter 9181454
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6921982
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9236460
BMW F10 Footwell Light Module Control Unit ECU FRM III 9236460
Promo price
€75.95
€64.56
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8636069
BMW F20 F30 LCI B48 Engine Gearbox Module Wiring Cable Loom Harness 8636069
Promo price
€85.95
€51.57
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9248096
Air Module BMW F01 F02 LCI F06 F10 F11 F13 ECU Control Unit ECU 9248096
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9337807
Door Speaker BMW F15 F16 Front Rear Loudspeaker HiFi Audio Speaker 9337807
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 7428425-3
Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425
Promo price
€51.95
€44.16
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9798377-1
BMW F45 LCI 225xe B38X B38A15A 224HP Engine ECU DME Kit 9798377 BDC + Key
€379.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9189906-1
BMW E88 E93 Air Module Control Unit ECU 9189906
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 7317408
BMW F10 F11 LCI F30 F31 Xenon Headlight Ballast Control Unit 7317408
€32.95
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 6942551
BMW E87 E90 E91 Front Left N/S Seat Lordosis Pad Adapter Lead Wiring
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9353421
BMW F11 LCI Body Control Module Unit V7 PL6 JBBFE III 9353421
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8364542
BMW E46 X3 E83 Power Distribution Fusebox Cover Fuse Box 8364542
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6968650
BMW 3 Series E93 E93N LCI Aerial Antenna Amplifier FM/AM Right O/S 6968650
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9259831
BMW E93 Convertible Wiring Loom Front Door Cables Cable Passenger Side 9186668
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9335289
BMW F20 Door Cable Harness Wiring Front Right O/S 9335289
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8067511
BMW F98 Adapter Cable Wiring RBS Rear Axle 8067511
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6763735
BMW X5 E60 E81 E87 E90 E91 E92 Xenon Headlight Level Sensor
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9127088
BMW E81 E90 DC/DC Torque Converter Module Wandler 9253208 9127088
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6923209
BMW X5 E46 E53 Alarm System Inclination Indicator Module Unit 6923209
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9229875
BMW 3 Series E90 LCI Body Control Module H1 PL2RR JBBFE IIIR 61359229875 9229875
Promo price
€75.95
€45.57
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6947216
BMW 3 Series E93 Convertible Rear Bumper FM Radio Aerial Antenna 6947216
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6930006
BMW X5 3 Series E70 E90 Clamping Ring B+ Transition Battery Cable 6930006
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6798872-1
BMW F10 F11 F30 F31 Wheel Module Tire Pressure Control RDC 433MHZ Unit 6798872
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8621190
BMW F20 F22 F30 LCI Electric Line Cable Power Distribution Module 8621190
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 6866986
BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Module Airbag 6866986
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8515494
BMW 5 Series F10 F11 530d N57N Cable Alternator Starter Base B+ 8515494
Promo price
€31.95
€27.16
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
Promo price
€227.95
€136.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9134661
BMW E87 E90 E91 E92 Seat Control Unit Module ECU 9134661
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8601245
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8601245
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 130002613
BMW 5 X5 7 Series E60 E60N E61 E65 E66 E67 E70 Drive Longitudinal Seat Adjust
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9322690
BMW F32 F82 M4 Hifi Audio Sound System Speaker AMP Amplifier Module 9322690
€156.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9143823-1
BMW E88 E93 LCI ECU Air Control Unit Module Controller 9143823
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6925715
BMW 1 3 Series E81 E82 E87 E90 E91 E92 Positive Battery Terminal Cover 6925715
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9237968
BMW F07 GT Central Gateway Module ECU Control Unit Lear ZGW-01 High 9237968
Promo price
€66.95
€40.17
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8676222
BMW 3 F30 LCI Hybrid 330e Battery Starter Connecting Lead Cable Wiring 8676222
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9282072
BMW 5 Series F10 F11 Cable Loom Door Passenger Side Wiring Harness 9256002
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6970086
BMW 5 6 Series E60 E61 E63 LCI Cable Set Start / Stop Switch Wiring Loom 6970087
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9289590
BMW X5 X6 E70 E71 Antenna Amplifier Module Trap Circuit 9289590
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7075944-3
BMW E60 E65 E70 Front Right Seat O/S Height Adjustment Drive 7075944
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9186215
Audio Controller BMW E90 System Control Unit Module Navigation 9186215
Promo price
€127.95
€108.76
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9311849
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 9311849
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9304007
BMW G30 Seat Occupancy Sensor Mat Passenger Side Control Unit Module 9304007
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9270355
Fuse Carrier BMW F40 Mini F55 F56 F57 F60 Distribution Box 9270355
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9241825
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9241825
Promo price
€47.95
€28.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9380885
BMW 1 3 4 F20 F30 F32 Control Unit Air Conditioning A/C Module 9380885
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6951674
BMW E81 E87 E90 PDC Parking Sensor Ultrasonic Sparkling Graphite A22
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9212916
BMW 5 7 X5 E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor 9212916
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6807395
Interface Control Module BMW F10 F20 F30 Bus Unit 120 OHM 6807395
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 9294912
BMW F10 F11 X5 F15 X6 F16 Rear Seat Compartment Screen Display SET 9294912
€569.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6944500
BMW 5 6 Series E60 E61 E63 Driver's Side Door Airbag Control Unit Module 6944500
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 2622341
BMW 2 3 5 Series F10 F22 F30 F32 Antenna Amplifier Module Trap Circuit 2622341
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9229878
BMW E91 LCI ECU Body Control Module Junction Box H2 9229878
Promo price
€62.95
€53.51
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8579482
BMW F20 F21 116d ed Diesel N47N 116HP Engine Control ECU DDE 8579482 Manual
Promo price
€94.95
€56.97
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6857314
Crash Module BMW F01 F02 LCI F10 F11 F13 ICM Control Unit ECU
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9159311
BMW 5 Series F10 F11 Mini R55 R56 R57 Door Sensor Airbag 9159311
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 7621178-5
BMW E81 E87 LCI E90 N43 118i 318i Engine Control ECU DME Kit 7621178 Automatic
Promo price
€375.95
€225.57
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6958414
BMW E60 E61 Alarm System Unit Ultra Sonic Module 9149673
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7835131
BMW E60 E61 LCI M5 E63 M6 Fuel Injection System Adapter Lead 7835131
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 6929916
BMW E63 E64 Rear Bumper PDC Cables Set Wiring Loom Harness 6929916
Promo price
€32.95
€28.01
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9342033-1
BMW F10 F20 F30 Head Unit Media Navigation Headunit Player 9342033
Promo price
€42.95
€25.77
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9246500
BMW E90 LCI Professional CD Radio Player 9246500
Promo price
€184.95
€157.21
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 3414469
BMW X3 E83 Fuse Grouping Front Stick-on Label Diagram 9267980
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9186655
BMW 3 Series E92 Front Right O/S Driver Side Door Wire Wiring Loom 9186655
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9228323
BMW F01 F10 F20 F30 F32 Camera Module Reversing Rear View Control Unit 9228323
Promo price
€113.95
€68.37
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8617778
Earth Ground Cable BMW i3 I01 Hybrid Rex Electric Engine Wiring 8617778
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 8586540-2
BMW F30 F32 LCI 330dX 430dX N57N 258HP Control Unit ECU Kit DDE 8586540 FEM Key
Promo price
€332.95
€199.77
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9119578
Antenna Amplifier BMW Z4 E85 E86 Rod Antenna Unit Module 9119578
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 6863385
BMW F20 F21 F30 F31 ECU ICM Plus Control Unit Module Airbag 6863385
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 8509722-1
Control Unit Box BMW F20 F21 F22 F30 F31 Engine Ecu Cover 8509722
€23.95
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8577625
BMW F20 F21 116d ed N47N Engine Control Unit ECU DDE 8577625 Manual Transmission
Promo price
€37.95
€32.26
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9328591
BMW X6 F16 Boot Trunk Lid Tailgate Wiring Loom Harness Cable 9328591
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 6857262
Air Module BMW F01 F02 LCI F10 F11 F13 ICM SRS Control Unit ECU Bosch 6857262
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7794911
BMW E87 E90 E91 Cable Alternator Starter Base B 7794911
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9345373
BMW F10 Footwell Central Lock Gateway Control Module Unit ECU 9345373
Promo price
€161.95
€97.17
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 8570659
Wiring BMW X3 F25 N47N Engine Automatic Gearbox Module Wiring Harness 8570659
Promo price
€47.95
€40.76
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9496815
Front Impact Sensor BMW F70 G05 G14 G15 G29 Safety Crash Module Unit 9496815
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

Part no. 8519009
BMW X1 E84 20d 20dX Diesel N47N Engine Control Unit ECU DDE 8519009 Manual
€75.95
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7207150
BMW F10 F11 Plug Bumper Front Trim Dummy Plug Right O/S Panel 7207150
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-15%
Part no. 9252813
BMW 5 7 Series F01 F02 F10 F11 Power Distribution Fuse Box Rear 9252813
Promo price
€28.95
€24.61
Free delivery: Feb 16 – 19
If paid before 14:00

-40%
Part no. 9221825
BMW E70 E71 Car Infotainment Multimedia Computer Head Unit 9221825
Promo price
€341.95
€205.17
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 7220891
BMW E91 LCI Control Unit Module Support Plate Bracket Carrier Holder 7220891
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9233034-SBR
PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
If paid before 14:00

-5%
Part no. 9160189
BMW 1 Series E87 LCI ECU Body Control Module H2 ECU 9160189
Promo price
€23.95
€22.75
Free delivery: Feb 16 – 19
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 .