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. 8511409
BMW F10 F11 N57N Control Unit Module Box Cover Bracket Carrier Mount 8511409
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6956672
BMW E63 E63N LCI Centre Console Switch Centre DTC PDC 6956672
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510221-16
BMW E90 E91 E92 LCI 325d Diesel N57 204HP ECU Engine Module DDE 8510221 Manual
Promo price
PLN 332.95
PLN 199.77
Free delivery: Mar 03
If paid before 14:00

Part no. 9187604
BMW F07 F10 F11 F12 TV Video Switch Control Module Unit 9187604
PLN 123.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9157158
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9157158
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9282069
BMW 5 Series F10 F11 Cable Loom Front Driver's Door Wiring Harness 9255986
Promo price
PLN 142.95
PLN 135.80
Free delivery: Mar 03
If paid before 14:00

Part no. A1698201085
Mercedes W245 ECU Control Unit Sensor Air Module A1698201085
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

Part no. 9290990
Head Unit BMW F20 F21 F30 Radio Professional CD Player Controller Module 9290990
PLN 1,424.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9366407
BMW F20 F21 F30 F31 F32 Body Comfort Module FEM ECU LR01 Control Unit 9366407
Promo price
PLN 664.95
PLN 398.97
Free delivery: Mar 03
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
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9316568
BMW X5 F15 X6 F16 Front Fuse Box Relay Module Control Unit 9316568
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9279391
BMW 5 G11 G30 M5 Door Crash Sensor Front 9279391
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

Part no. 5A2D542
BMW F40 Body Control Module Domain Controller Unit BDC ECU 5A2D542
PLN 664.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7823731
BMW E84 E90 E91 LCI 320xd N47 Cable Alternator Starter Base B
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9286365
BMW X1 X2 Series F39 F48 Antenne AM Antenna Amplifier Cable 9286365
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8635816
Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 8582279
BMW F30 320d ed Diesel N47N 184HP Engine Control Unit ECU DDE 8582279
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6927275
BMW E60 E61 E65 E66 Seat Control Module Ecu Sensor 6927275
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510829-3
BMW E90 E91 LCI 320d N47N Engine Basic DDE 8510829 Control Unit Manual
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7519051
BMW 7 Series E65 E66 E67 Electric valve 735i 745i 735Li 745Li 745LiS
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6960225
BMW E65 E66 E67 Sensor Vehicle Centre Air Control Unit Module 6960225
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7839662
BMW E90 E92 E93 LCI Cable Alternator Starter Base B 7839662
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
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
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9241330
BMW X1 E84 USB AUX-IN Socket Plug Input Connector Media Port 9241330
Promo price
PLN 61.95
PLN 52.66
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6839355
BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

Part no. 8475350-5
BMW F21 F30 LCI 120d B47 190HP Control Module ECU DDE Kit 8475350 Automatic
PLN 1,139.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7559811
Earth Ground Cable BMW E60 E61 E63 N62N 540i 550i 650i Battery Starter Wiring
Promo price
PLN 75.95
PLN 72.15
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 3413934-2
BMW X3 E83 Rear Bumper Wiring Loom PDC Harness 1452049
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8482940
BMW F30 LCI G11 G30 Battery Cell Supervision Circuit Module Unit 8667593
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8796289
BMW X3 G01 X4 G02 X5 G05 Battery Terminal Negative Cable Wire Wiring 8796289
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

Part no. 7599881-5
BMW E81 E87 LCI 116i 2.0 Engine Petrol N43 ECU Kit DME 7599881 CAS3 Key Manual
PLN 379.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9280186-1
BMW F10 F11 F30 F01 F02 LCI Air Control Module ECU Unit 9280186
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
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
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

Part no. 9385026-1
BMW F01 F07 LCI F10 F11 F25 Air Module Control Unit ECU 9385026
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9270490
BMW X5 F15 Antenna Aerial Diversity Trap Circuit Control Module 9270490
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 7624621
BMW X1 F84 Starter Wiring Battery Alternator Cable Harness Loom 7624621
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6958526-1
BMW 5 X5 X6 Series 1 E60 E61 E70 E71 F10 F11 Seat Adjustment Switch Right O/S
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 7899655
Rear Speaker BMW E63 E64 Door Card Loudspeaker Left Right N/O/S Logic 7 7899655
Promo price
PLN 132.95
PLN 126.30
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8639582-2
BMW F20 M135i F22 M235i F30 335i N55 Engine Unit ECU DME 8639582 Manual
Promo price
PLN 1,614.95
PLN 968.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 7619136
BMW E84 F25 F26 N20 Engine Sensor Module Wiring Cable Loom Harness 7619136
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

Part no. 8793253
BMW X3 G01 Rear Right O/S Door Wiring 8793253
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9298945
BMW X1 E84 ECU Body Control Module Junction Box H2 PL2RR JBBFE IIIR 9298945
Promo price
PLN 474.95
PLN 403.71
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9118467
BMW X5 X6 Series E70 E71 Seat Backrest Adjustment Adapter Lead Cable 9118467
Promo price
PLN 47.95
PLN 45.55
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 8590045
BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
Promo price
PLN 160.95
PLN 136.81
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
Promo price
PLN 332.95
PLN 283.01
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9149673
BMW 5 Series E60 E61 LCI Alarm System Unit Ultra Sonic Module 9149673
Promo price
PLN 37.95
PLN 36.05
Delivery: Mar 03
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
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

Part no. 3412244
BMW X3 E83 Wiring Harness Engine Loom Wire Gearbox Module 3412244
PLN 142.95
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7838929
BMW 3 5 6 Series E60 E63 E90 E92 Crossover Frequency Unit Module Door 7838929
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7807802-1
BMW X5 E70 LCI X6 E71 N57 N57S Cable Alternator Starter Base B Wiring 7807802
Promo price
PLN 85.95
PLN 81.65
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9267980
BMW F10 Fuse Location Diagram Map Fuse Grouping 9267980
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 6987692
BMW E87 E90 Navigation System Professional CCC Navi Controller 6987692
PLN 1,899.95
Free delivery: Mar 3 – 4
If paid before 14:00

-5%
Part no. 9205930
BMW E92 Telematics Bluetooth Control Unit Module 9205930
Promo price
PLN 61.95
PLN 58.85
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8605454
Engine Wiring BMW F10 F21 F30 LCI F36 N20 Loom Module Harness Cable 8605454
Promo price
PLN 237.95
PLN 202.26
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6871062
BMW F01 F07 F10 F12 VDC Module Rear Suspension Level Control Unit 6871062
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6917557
BMW Z4 Z3 E36 E85 Module Radar Burglar Alarm Sensor 6917557 6963225
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 8635813
Engine Wiring BMW F20 F30 F31 LCI B38 Valvetronic Servomotor Cable Loom 8635813
Promo price
PLN 66.95
PLN 63.60
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9225022
BMW 2 3 4 Series F22 F30 F31 F32 Battery Power B+ Distribution Box 9225022
Promo price
PLN 123.95
PLN 117.75
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8506281-1
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 6822077
BMW F20 F21 F22 F30 F31 Head Unit Basic Media Navigation Headunit 6822077
Promo price
PLN 218.95
PLN 131.37
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8489325
BMW i3 I01 94Ah Rex Hybrid Basic Control Unit Module ECU 8489325
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9390501
BMW 3 4 Series F31 F32 F80 M3 F82 M4 LCI USB Charger Adapter Socket 9390501
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-15%
Part no. 9286236
BMW F30 Door Wiring Front Passenger Door Loom Cables Harness F31 9286236
Promo price
PLN 113.95
PLN 96.86
Free delivery: Mar 03
If paid before 14:00

Part no. 7638003
BMW F20 F21 F22 F23 F34 LCI F22 F30 F36 Starter Ground Cable 7638003
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9217234
Module Bracket BMW X3 F25 X4 F26 Control Unit Holder Carrier 9217234
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 7810860
BMW E90 E91 E92 LCI N47N Engine Alternator Starter Cable B 7810860
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 9289212
BMW 1 2 3 5 Series F10 F20 F22 F30 Navigation Sat Nav Head Unit High 9289212
PLN 617.95
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8809737
PDC Wiring BMW X4M F98 G02 Rear Bumper Parking Assistance Sensor Harness 8809737
Promo price
PLN 379.95
PLN 227.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8638552
Supply Module BMW F90 M5 F91 M8 G05 G11 G30 Integrated Control Unit 8638552
Promo price
PLN 237.95
PLN 142.77
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9365833
Business Navigation BMW F20 F21 F30 F31 Sat Nav Head Unit Player 9365833
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6923217
BMW 6 E64 E64 LCI Bracket Control Unit Vehicle Electrical System 6923217
Promo price
PLN 18.95
PLN 18.00
Delivery: Mar 03
If paid before 14:00

Part no. 6819335
BMW F20 F30 BCM Body Comfort Control Module CCM Unit ECU 6819335
PLN 94.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6821407
High Voltage Cable BMW F45 Mini F60 Hybrid Harnes EDH 6821407
Promo price
PLN 142.95
PLN 121.51
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 8353447
BMW E36 E38 Relay Two Pole Make Contact 8353447
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 3 – 4
If paid before 14:00

-15%
Part no. 9244422
BMW X5 E70 LCI Front Bumper PDC Loom Cables Wiring Set 9244422
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8510221-1
BMW E90 E91 LCI E92 325d Diesel N57 204HP ECU Engine Kit DDE 8510221 CAS3 + Key
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 9153418-2
BMW F10 F11 B Plus Distributor Box Front Battery Cable Unit 9153418
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9389657
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657
Promo price
PLN 94.95
PLN 90.20
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6972065
BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
Promo price
PLN 93.95
PLN 79.86
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 3449417
BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417
Promo price
PLN 93.95
PLN 89.25
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 9259800
BMW F10 F12 F13 F20 F30 F06 Mini F55 F56 F57 DVD CD Changer Control Unit 9259800
Promo price
PLN 284.95
PLN 170.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8519668
BMW E90 E91 LCI 320d N47N 184HP Engine Control Unit ECU DDE 8519668 Manual
Promo price
PLN 189.95
PLN 113.97
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9211840
BMW F01 Wiring Loom Cable Harness 9211840
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6819329
KaFAS Camera BMW i3 I01 F10 F20 F30 LCI Speed Control ECU Module Unit 6819329
Promo price
PLN 94.95
PLN 80.71
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8573260-10
BMW F20 F21 116d Diesel N47N 116HP ECU Kit DDE 8573260 + Keys + FEM Manual
Promo price
PLN 1,329.95
PLN 797.97
Free delivery: Mar 03
If paid before 14:00

-40%
Part no. 8574372-3
BMW F30 330d F32 430d N57N 258HP Engine Unit ECU Kit DDE 8574372 Key FEM
Promo price
PLN 949.95
PLN 569.97
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6799576
BMW F10 F11 ICM Control Module Unit 6799576
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 9247467-1
BMW E92 LCI Body Control Module Unit PL2RR JBBFE L1 61359247467 9247467
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

Part no. 9372556
BMW G11 Door Wiring Harness Rear Left Right Door N/O/S Wiring Loom 9372556
PLN 108.95
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9367350
KaFAS Camera BMW F10 F20 F30 Mini F55 F56 Front Control Unit Module ECU 9367350
Promo price
PLN 123.95
PLN 105.36
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 6954007
BMW E60 E61 E63 E64 E65 PDC Parking Control Module Unit ECU 6978232
Promo price
PLN 427.95
PLN 363.76
Free delivery: Mar 03
If paid before 14:00

-15%
Part no. 9231515
BMW F31 Rear Antenna Aerial Amplifier AM/FM DAB 9231515
Promo price
PLN 189.95
PLN 161.46
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6928369
BMW E60 Dashboard Solar Receiver Sensor Plug Socket Wiring 6928369
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-40%
Part no. 6791131
BMW F01 ICM Module Integrated Chassis Management QL ES Control Unit 6791131
Promo price
PLN 142.95
PLN 85.77
Free delivery: Mar 03
If paid before 14:00

-5%
Part no. 6958525
BMW X5 X6 E60 E61 E70 E71 F07 F10 F11 Seat Adjustment Switch Left N/S 6958525
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
If paid before 14:00

-5%
Part no. 6933267
BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6933267
Promo price
PLN 42.95
PLN 40.80
Delivery: Mar 03
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 .