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. 6820931
Telematics Module BMW X1 F48 F20 F30 Bluetooth GPS Control Unit ECU 6820931
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8573260-8
BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual
Promo price
€417.95
€250.77
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6948182
BMW E60 E61 LCI Alarm System Unit Ultra Sonic Module
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8379567
BMW X5 Series E53 Loudspeaker Stereo Left Front Door N/S 8379567
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 8386708
BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708
€32.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9229294
BMW F20 F21 F22 F30 F31 F80 M3 USB Socket Plug Port Control Unit 9229294
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9132254
BMW Z4 E85 E86 CID Control Unit CD Player Radio Audio System 9132254
Promo price
€199.95
€169.96
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8590045
BMW G20 G21 G01 G02 B47B B47D Engine Injector Module Wiring Harness 8590045
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8624382
BMW 1 3 Series F20 F30 F31 LCI Line Cable Power Distribution Module 8624382
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9166542
BMW E92 HDD Navigation Reader System Module Unit ZB CE3 Navi JAPAN 9166542
Promo price
€47.95
€28.77
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9491419
BMW F45 F48 F15 F31 F36 Mini F60 Trunk Lid Automatic Lift Control Module 9491419
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9141446
BMW E93 Cabrio Convertible Hydraulic Pump Power Supply Cable 9141446
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8506281-5
BMW E87 E90 LCI 116d 316d Diesel N47 ECU KIT Engine DDE 8506281 CAS3 Key Manual
Promo price
€94.95
€56.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9153418
BMW F10 F11 B Plus Distributor Front Battery Cable 9153418
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 9191568
BMW X5 E70 CCC Navigation System CD Player Sat Nav Head Unit 9191568
€332.95
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8614302-5
BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
Promo price
€617.95
€370.77
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8736682
BMW i3 I01 Body Domain Comfort Control Unit BDC Module ECU 8736682
Promo price
€313.95
€188.37
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8353447
BMW E36 E38 Relay Two Pole Make Contact 8353447
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7514610
Injection Valve Wiring BMW E60 E61 E65 N62 N62N Ignition Loom Harness 7514610
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7542615
BMW 1 3 5 6 7 Z4 Series E87 E90 E60 E64 E65 E85 Power Distribution Box 7542615
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6920469
BMW E65 E66 E67 Sensor A-pillar Right Airbag 65776920469 6920469
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6925945
BMW 5 Series E60 E61 Rear Left Right Door N/O/S Wiring Cable Harness Loom
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 6834091
BMW F87 F80 F82 Audio Amplifier Harman Becker Active Sound Design System 6834091
Promo price
€99.95
€59.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9259467
Fuse Box BMW X3 F25 Power Distribution Control Unit Module Front 9259467
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9304728
PDC Wiring BMW X3 F25 Front Bumper Loom Cable Harness Parking Sensors 9304728
Promo price
€89.95
€76.46
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7641659
Engine Wiring BMW F10 F20 F30 N20 125i 328i 528i N20 Harness Module 7641659
Promo price
€99.95
€59.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7615308
BMW F20 F21 F30 Petrol N13 Wiring Loom Harness Engine Gearbox Manual 7615308
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9111165-PB2
PDC Sensor BMW E81 E82 E87 E88 E90 E91 Ultrasonic Parking SET X4 Platinbronze
Promo price
€51.95
€44.16
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6945145
BMW E60 E61 E63 Air Control Module Passenger Side Door 6945145
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 6927260
BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 7807827-1
BMW 1 3 Series E87 E90 LCI 120d 320d N47 Diesel ECU Kit DDE 7807827 CAS3 Key
Promo price
€170.95
€102.57
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-5%
Part no. 8408783
BMW X5 E53 Flap Radio Partition Mounting Part Cover Dashboard 8408783
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8594489
BMW X1 F48 Mini F55 F56 F57 Battery Cable Starter-Base B+ 8594489
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8622032
BMW F20 F21 F30 F31 LCI Control Unit Box Cover Mudguard Flap Cap 8622032
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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 - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8578946-3
BMW F20 F30 F32 120d 320d 420d 184HP N47N Engine ECU Kit DDE 8578946 Automatic
Promo price
€142.95
€121.51
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 6777641
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
€28.95
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 7948144
BMW F40 F44 Seat Occupancy Mat Control Unit Sensor 7948144
€23.95
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 7806976-1
BMW X5 E70 3.0d M57N2 235HP Engine Control Unit ECU KIT DDE 7806976 Automatic
€332.95
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6864923
Air Module BMW F01 F02 LCI F07 GT F10 F11 F13 ECU Control Unit 6864923
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9389560
Aerial Trap Circuit BMW G30 X3 G01 Antenna Amplifier Module Control Unit 9389560
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9243896
Central Information Display BMW F10 F11 LCI Boardmonitor Screen 7" 9243896
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6809051
BMW F20 LCI REM Rear Electronic Module Fuse Box Control 6809051
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9383695
BMW F10 Footwell Light Module Control Unit ECU FRM III TEMIC 9383695
Promo price
€51.95
€44.16
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
€170.95
€102.57
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9119444
BMW E81 E87 LCI E90 E91 E92 Front Fuse Box Power Distribution 9119444
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 6966925
BMW E60 E90 Dashboard Onboard Monitor Display Screen 8.8" 6966925
Promo price
€75.95
€45.57
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9281068
Antenna Receiver BMW F33 F83 M4 Convertible Aerial DAB Unit 9281068
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9130879
BMW E81 E87 Battery Cable Plus Pole Positive Wire SBK 9130879 6988975
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6960259
BMW 1 3 SERIES E81 E82 E87 E90 E91 E92 E93 Flat Cable Wiring Wire CAS Start Stop
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8585380-1
BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key
Promo price
€284.95
€170.97
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 1702103
Battery Terminal Cover BMW E39 Mini R50 R52 R53 Trim Base B + Positive 1702103
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6989112
BMW E60 E61 X3 E83 Front PDC Parking Sensor Silver Grey Silbergrau - A08
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6853705
BMW X6 E71 ICM Integrated Chassis Management Control Unit Brakes 6853705
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9177784
BMW X5 E70 X6 E71 X6 E72 Map Fuse Box Grouping Diagram Card 9177784
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6969281
BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
Promo price
€56.95
€48.41
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9121903
BMW E81 E87 E91 Switch Cluster Steering Column Cruise Control 9121903
Promo price
€170.95
€145.31
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-40%
Part no. 9306085
BMW F30 F31 Seat Module Control Unit Memory Front Left Right N/O/S 9306085
Promo price
€51.95
€31.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9264923
BMW F01 F02 F10 F11 F13 Power Distribution Fuse Box Rear 9264923
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6958525-1
BMW 5 X5 X6 Series 1 E60 E61 E70 F07 F10 F11 Seat Adjustment Switch Left N/S
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9217912
BMW E82 E90 LCI Trunk Shelf Left Right Speaker Tweeter Harman Kardon 9217912
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8571905
BMW F20 F21 F22 F30 N47N Diesel Engine Starter Motor 8571905
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-40%
Part no. 6797439
BMW F07 GT ICM Management Control Unit Module DSC Brakes 6797439
Promo price
€66.95
€40.17
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9140179
BMW F10 Radio Antenna Amplifier Suppression Filter 9140179
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9319493
Air Module Unit BMW F10 F11 F30 F31 F25 F12 F13 X3 F25 ECU Control 9319493
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9262871
BMW F01 Front Door Wiring Loom Cable Harness 9262871
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8795213
BMW F20 F21 F30 F31 Wire Cable Screen Connector Monitor Display 8795213 8795212
Promo price
€47.95
€40.76
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7804127
BMW E60 E61 LCI 520d Cable Alternator Starter Base B 7804127
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
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, Nov 05
If paid before 14:00

-40%
Part no. 9459673
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 7943747
Promo price
€61.95
€37.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8573257-9
BMW F20 F30 F32 120d 320d 420d Diesel N47N 163HP Engine ECU DDE 8573257 Manual
Promo price
€32.95
€28.01
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6953424-3
BMW Z4 E85 E86 Positive Battery Cable Plus Pole Lead 6953424
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8512499-8
BMW E87 E90 LCI N47 118d 318d 143HP Diesel ECU Kit DDE 8512499 CAS3 + Key Manual
Promo price
€165.95
€99.57
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6839355
BMW F44 Gran Coupe Antenna Amplifier Suppresion Filter 6839355
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6963651
Alarm Module BMW E81 E84 E87 E90 Ultra Sonic System Sensor 6963651
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8377656
BMW X5 Series E53 Amplifier Trap Circuit 65258377656 8377656
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6942990
BMW 5 6 Series E60 E61 E63 E64 Actuator Air Distribution Flap Matrix Heater
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8583653-1
Engine Wiring Loom BMW F10 F30 F31 LCI N57N Wiring Harness Glow Module 8583653
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 8378113
BMW Z4 Series E85 E86 Interior Fuse Box 8378113
Promo price
€26.95
€25.60
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 6968836
BMW 1 Series e81 BODY CONTROL MODULE L2 61356968836 6968836
Promo price
€28.95
€24.61
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7599881-3
BMW E87 LCI E90 120i 320i Petrol N43 170HP ECU KIT DME 7599881 CAS3 Key Manual
Promo price
€137.95
€117.26
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9226884
BMW F20 F21 LCI Antenna Amplifier Diversity 9226884
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6927025-1
Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9296780
BMW F20 F21 F30 F31 Control Unit Air Conditioning Module 9296780
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6799576
BMW F10 F11 ICM Control Module Unit 6799576
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 7798076
BMW E60 E61 E63 E64 LCI Electrical Battery Earth Cable 330MM 7798076
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8507202-2
BMW 3 Series E90 E91 LCI 318d N47N 143HP ECU Kit DDE 8507202 CAS3 Key Automatic
Promo price
€265.95
€159.57
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8681185
BMW F40 F44 F46 X1 F48 Mini F54 F56 F57 F60 Engine Wiring Loom Harness 8681185
Promo price
€42.95
€36.51
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9301308
BMW F20 F21 F22 F30 Control Unit Air Conditioning System 9301308
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-40%
Part no. 8518569
BMW F20 F21 F30 F31 N47N 116d 316d ECU Control Unit Module DDE 8518569 Manual
Promo price
€56.95
€34.17
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 9215184
BMW E60 E87 E90 E91 Hands Free Electronics Charging Module MULF2 9215184
Promo price
€75.95
€64.56
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 9389657
BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module 9389657
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-5%
Part no. 6902265
BMW E65 E66 E67 Compact Base Support System Rear Black 6902265
Promo price
€23.95
€22.75
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 8580053
Starter Cable BMW G30 G31 G32 Alternator Wiring Starter-Base B+ 8595355
Promo price
€37.95
€32.26
Free delivery - Wed, Nov 05
If paid before 14:00

-15%
Part no. 7243562
BMW F20 F30 Sport Seat Front Heating Mat Element F21 F31 F32 7243562
Promo price
€113.95
€96.86
Free delivery - Wed, Nov 05
If paid before 14:00

Part no. 8574372-3
BMW F30 330d F32 430d N57N 258HP Engine Unit ECU Kit DDE 8574372 Key FEM
€213.95
Free delivery - Wed, Nov 05
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 .