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. 9178962
BMW X5 X6 E70 E71 Power Distribution Fuse Box Battery 9178959
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 6913389
BMW X3 X5 Z4 E53 E83 E85 6 Disc CD Changer Multichanger Without Magazine
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8517862-3
BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8517862 + Key + FEM
Promo price
€275.95
€165.57
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9247468
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE III Junction Box 9247468
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9143439
BMW E81 E87 E90 E91 E92 6-disc CD Changer without Magazine 9143439
Promo price
€47.95
€40.76
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9237055
Antenna Diversity BMW F07 GT Control Unit Module Aeral Amplifier 868 MHZ 9237055
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 9139868-1
BMW X3 E83 LCI X5 E70 LCI PDC Parking Ultrasonic Sensor Black 9139868
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 7611322
BMW F01 F02 F06 F07 F10 F11 F12 Positive Cable Battery Lead N55 Engine 7611322
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7075946
BMW 5 7 Series E60 E61 E65 Front Seat Backrest Adjustment Drive Memory 7075946
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7301554
BMW F10 F20 F30 F32 Control Unit For Fuel Pump 7301554
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-5%
Part no. 1393415-1
BMW E90 E91 F10 Mini R50 R52 Change Over Contact Relay Grey 5 Pins Set 1393415
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6933264
BMW E65 E66 Control Unit Door Rear Passenger Side 6933264
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 7253188-1
BMW 3 Series E92 Sports Seat Left Right Thigh Support Cover Trim Leather Dakota
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8639595-9
BMW F30 320iX N20 163HP Engine Unit ECU Kit DME 8639595 FEM + Key Automatic
Promo price
€474.95
€284.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9322532
Gateway Module BMW F01 F10 F11 F12 Central Body Control 9244262
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 8513157
Battery Electric Cable BMW F45 F48 Mini F56 F60 Alternator Starter Motor 8513157
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9325656
BMW F20 F21 F22 F30 F31 F32 Body Control Module Unit FEM ECU LR01 9325656
Promo price
€75.95
€45.57
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9317175
BMW F20 F21 F30 F31 F32 Body Control Unit Module REM 9317175
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9267511
BMW X5 E70 Body Control Module Main Primary ECU Unit JBBFEIII R LP 9267511
Promo price
€165.95
€99.57
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6997612
BMW F20 F21 Air Conditioning A/C Climate Control Unit Module ECU 6997612
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 9393144
BMW G11 G30 Fuse Box Power Distribution Electrical Control Unit Box Rear 9393144
€47.95
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 6926460
AUC Sensor BMW E60 E61 E65 X5 E70 X6 E71 Mini R56 R57 Air Control 9136607
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9159811
BMW E90 NSW PL2 FRMII Light Control Module (LCM) 61359159811 9159811
Promo price
€75.95
€45.57
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9167202
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9167202
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9214812
BMW E88 E93 LCI Air Module Control Unit ECU 9214812
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9459673-1
Seat Module BMW X4 F26 F20 F30 Front Driver Side Control Unit ECU 9250421
Promo price
€94.95
€56.97
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6886185
ICM Module BMW F20 F21 F30 F31 Crash Control Unit Airbag ECU 6886185 0265020864
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8574091-3
BMW F10 520d N47N 184HP ECU Kit Control Unit DDE 8574091 CAS4 + Key
Promo price
€170.95
€102.57
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-5%
Part no. 8510249
Engine Wiring BMW E90 E91 LCI N47N Loom Harness Cable Automatic Gearbox 8510249
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9362848
BMW 1 3 Series F20 F21 F30 F31 Bluetooth Teleservices GPS Telematics Module
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-15%
Part no. 8517874
BMW F20 F21 F30 116d 316d Diesel N47N Engine Control Unit ECU DDE 8517874 Manual
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8635816
Engine Wiring BMW F20 F30 F31 LCI B38 Automatic Gearbox Loom Harness 8635816
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9290804
BMW F20 F22 F30 F32 Module ECU Control Unit FEM Fuse Box 9290804
Promo price
€227.95
€136.77
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7601305
BMW F10 F11 LCI F13 N63 N63N Petrol Water Pump Adapter Lead Cable Wiring 7601305
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9294206
BMW F25 CD DVD Navigation Sat Nav Head Unit 9294206
Promo price
€89.95
€76.46
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8512047-5
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE 8512047 CAS 2 Keys Manual Transmission
Promo price
€180.95
€108.57
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 6938762
Microphone BMW E60 E65 E81 E87 E90 E91 Hands Free Telephone 6938762
Product currently unavailable

-5%
Part no. 8387551
BMW 3 Series E46 Battery Positive Cable Fuse Box Base B 8387551
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9189850
BMW Z4 Series E89 Convertible Positive Battery Cable Wiring Lead 9189850
Promo price
€142.95
€85.77
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9282285
BMW X3 F25 Central Gateway Module Control Unit ECU 9282285
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8518269-6
BMW E90 E91 LCI N47N 320d 184HP ECU KIT DDE CAS 3 Key 8518269 Manual
Promo price
€161.95
€97.17
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9294309-1
BMW X3 F25 X4 F26 Dashboard Monitor Onboard Central Display Screen 6,5" 9294309
Promo price
€142.95
€121.51
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6970701-1
BMW 3 Series E93 E93N LCI 1 Rear Bumper Antenna Aerial Telephone 6970701
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 8632687
BMW i3 I01 Engine Motor Sensors Module Wiring Cable Wire Harness 8632687
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9207846
BMW X5 Series E70 Driver Side Front Right O/S Door Cable Harness Wiring 9207841
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9229878-1
BMW E87 LCI ECU Body Control Unit Module Junction Box H2 9229878
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6989994
BMW E65 E66 E67 Control Unit Front Centre Console Module 6989994
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7510646
BMW 7 Series E65 E66 E67 Ventilation Hose E-Box Fan 7510646 12907510646
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8506434
BMW E87 E90 LCI N47 118d 318d Diesel Engine Control Unit ECU DDE Manual Gearbox
Promo price
€61.95
€37.17
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8586572
Engine Wiring BMW F20 LCI F30 F31 B47 Automatic Gearbox Loom Harness 8586572
Promo price
€42.95
€25.77
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9152262
BMW X5 E70 X6 E71 Front Crash Impact Sensor Module 9152262
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 7641652-1
Engine Wiring BMW F10 F31 F32 N20 Engine Sensor Module 1 Harness 7641652
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 7316186
BMW F30 F31 Xenon Adaptive Headlight Control Unit Module Lear TMS 7316186
Promo price
€75.95
€64.56
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 6982397
BMW E81 E87 E90 E91 E92 Parking Control Module Unit PDC 6982397
Promo price
€137.95
€117.26
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 7622980
Wiring Harness BMW F20 F21 F30 Motor Sensor System Module 2 7622980
Promo price
€37.95
€32.26
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 9151979
BMW E60 E90 Dashboard Dash Onboard Monitor Display Screen 8.8" CCC
€56.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6904165
BMW X5 E53 Front Dashboard Centre Console Lighter Wiring Loom Harness 6904165
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6943585
BMW E65 E66 E67 Control Electronics Seat Occupancy 6943585
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7316536
BMW G30 G11 G12 Sunroof Sliding Roof Drive Unit Motor Actuator
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 7545150-1
BMW X5 E53 3.0i M54 231HP ECU Engine Kit DME 7545150 Automatic Key EWS
€165.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6793850
Adapter Lead Wire BMW F20 F21 F22 F23 F30 F31 F32 F33 VDC Cable Harness 6793850
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9138830
BMW E60 E61 E63 E64 LCi Fuse Box Power Distribution Rear 9138830
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6911519
BMW E65 E66 E67 Wiper Switch Stalk Steering Column Wheel 6911519
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-40%
Part no. 6824129
Inverter Wiring BMW F45 Mini F60 Hybrid High Voltage Battery Cable Loom 6824129
Promo price
€70.95
€42.57
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9866980
BMW F20 Body Control Unit Module REM Fuse Box 9866980
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9352750
BMW X6 F16 F86 Camera Kafas Front Windscreen Camera Module 9352750
Promo price
€51.95
€31.17
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9335300
BMW 1 Series F20 LCI Front Door Wiring Loom Harness Passengers Side 9335300
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9205895
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9205895
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9329703
BMW F20 F21 F30 F31 F32 Rear Body Control Unit Module REM 9329703
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 5A243F5
BMW F70 G60 U06 Rear Ultrasonic Sensor Parking PDC Portimao Blue C31 5A243F5
€32.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9124112
BMW E81 E82 E87 E90 E91 E92 Mini Cooper R55 R56 R60 Rain Light Sensor 9124112
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 6948048
BMW Z4 E85 Front Door Wiring Loom Cable Right O/S Harness 6948048
€23.95
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 9288770
BMW F20 F21 F22 Mid Range Sound Speaker Stereo HiFi 9288770
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9873895
BMW F40 Crash Control Unit Air Module ECU Continental 9873895
Promo price
€123.95
€74.37
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9286110
BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9286110
Promo price
€113.95
€96.86
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9303543
BMW F20 F30 F31 Fuse Box Electrical Power Distribution 9303543
Promo price
€56.95
€48.41
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 6929715
BMW 1 Series E81 E87 E87N Positive Battery Lead Cable 61126929715 6929715
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 7823973-1
BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 7823973 CAS3 + Key
Promo price
€189.95
€161.46
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 6948054
BMW Z4 E85 Front Door Wiring Loom Cable Harness Left N/S 6948054
€28.95
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 8571084
BMW F20 F21 F30 LCI Wiring Injector Loom Harness Cable Module B47 Engine 8571084
€151.95
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9307421
Camera Control Unit BMW F20 F21 F30 F31 KaFAS 2 Camera Module ECU 9307421
Promo price
€66.95
€56.91
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 6936801
BMW Z4 E85 Roadster Cabrio Convertible Folding Top Roof Module
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 9267466
BMW F10 Body Control Module Junction Box V2 PL2 JBBFE III Lear ECU 9267466
Promo price
€32.95
€28.01
Free delivery - Tue, Nov 04
If paid before 14:00

-5%
Part no. 7290719
BMW F40 F54 Cover Battery Vehicle Trim 7290719
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

-15%
Part no. 8512043
BMW 3 E90 E91 LCI 316d 318d N47N Engine Basic DDE 8512043 Control Unit Manual
Promo price
€28.95
€24.61
Free delivery - Tue, Nov 04
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 - Tue, Nov 04
If paid before 14:00

-5%
Part no. 8379941
BMW X5 Series E53 Interior Roof Trim Cover Ultra Sonic Module Alarm 8379941
Promo price
€23.95
€22.75
Free delivery - Tue, Nov 04
If paid before 14:00

Part no. 8582279-4
BMW F30 320d ed Diesel N47N 163HP Engine Control Unit ECU DDE 8582279 Manual
€99.95
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 9149836
Seat Control Unit BMW X5 E70 E87 E90 Module ECU Electronic Module 9149836
Promo price
€47.95
€28.77
Free delivery - Tue, Nov 04
If paid before 14:00

-40%
Part no. 8585379
ECU BMW F30 330d N57N 258HP Diesel Engine Control Unit Automatic 8585379
Promo price
€51.95
€31.17
Free delivery - Tue, Nov 04
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 .