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. 7164820-2
BMW E88 E93 Convertible Rollover Bar Protection System Sensor Unit Module 800137
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6929345
BMW 1 3 Series E82 E90 E92 Roof Antenna Aerial Shark Fin GPS Radio Tel 6929345
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9185542
BMW X5 E70 CCC Radio CD Player Navigation 9185542
Promo price
€237.95
€202.26
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8510829-4
BMW E90 E91 LCI N47N 320ed 320d ed 163HP ECU KIT DDE 8510829 CAS3 + Key Manual
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7253188-2
BMW E92 Seat Covering Panel Sports Left Right Thigh Support Cover Black Leather
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8506199-3
BMW E60 E61 LCI 520d Diesel N47 Engine ECU Kit DDE 8506199 CAS 3 + Key
Promo price
€170.95
€102.57
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7199885
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 7199885 7199882
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9474810
Air Module BMW G30 G31 X3 G01 X4 G02 SRS Control Unit ECU 9474810
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6947786
BMW E60 E61 E63 E64 Steering Column Adjuster Switch 6947786
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8573258-10
Engine Control Unit BMW F20 116d F30 316d N47N 116HP ECU DDE 8573258 Manual
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9356156
External Ignition Base BMW F20 F30 F32 F33 Power Terminal Distribution 9356156
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6863277
BMW F10 F11 LCI Electric Parking Brake Control Unit EMF Module 6863277
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7567776
Starter Cable BMW E81 X1 E84 E87 E90 N52 Alternator Battery Wire B 7567776
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

-5%
Part no. 7787354
BMW X3 E46 E60 LCI E83 E87 Starter Motor 2.0KW Diesel M47N2 7787354
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6819332
Control Unit Module BMW F20 F21 F30 F31 F32 Rear Body REM 6819332
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8507893
BMW 1 2 3 Series F20 F21 F22 F30 F31 N47N Wiring Loom Harness Engine 8507893
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7933357
Headlight Module BMW F40 LED Headlamp Control Unit Lear FLM 2 LOW 7933357
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9393667
BMW F10 LCI Body Control Module ECU Unit JBBFEIII V2 PL6 9393667
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9165623
BMW X5 X6 Series E70 E71 Airbag Control ECU Unit Module 9165623
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9387262
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Body Control Unit ECU LR01 9387262
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9210857
BMW F01 F07 GT F10 F11 F13 Power Distribution Fuse Box Rear 9210857
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9169521
BMW E61 Centre Console Switch Cluster Control Unit ECU 9169521
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. F20 F30 PLUG SOCKET LOOM PDC
PDC Plug BMW F20 F22 F30 F32 Loom Socket Parking Sensor Wiring Harness
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8516246
BMW F10 LCI F20 F22 F30 F32 B37 Wiring Harness Engine Glow Plug Module 8516246
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9176878
BMW E81 Body Control Module Unit BCM ECU L2 9176878
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 1378238-1
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9181455
BMW X1 Series E84 Antenna Aerial Noise Suppression Filter 9181455
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 5A41CA2
Air Module BMW F45 F46 Mini F55 F56 F60 ECU Control Unit 5A41CA2
Promo price
€237.95
€202.26
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6862808
BMW F10 F11 F12 X3 F25 Electric Parking Brake Control Unit EMF Module 6862808
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8803368
Display Screen BMW F45 F46 Central Information Navigation Monitor 6,5" 8803368
Promo price
€161.95
€97.17
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6807634
BMW X5 F15 F20 F30 SRS Air Module Bag Control Unit Module ECU 6807634
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8507899
BMW F31 N47N 320d Engine Wiring Harness Module Diesel 8507899 8507896
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9201989
BMW X3 X5 X6 E60 E61 LCI E70 E71 F01 F02 F25 Rain Light Solar Sensor
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9240077
BMW E93 Cabrio Convertible Folding Top Roof ECU Module CTM 9240077
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9159795
BMW X5 X6 E70 E71 Control Unit Air Module Bag ECU Unit Bosch 9159795
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9280622
FEM Module BMW F20 F21 F22 F30 F32 ECU Control Unit Fuse Box 9280622
Promo price
€108.95
€65.37
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 6822602
BMW F20 F21 F30 F31 Head Unit Basic Media Navigation Headunit 6822602
Promo price
€132.95
€79.77
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7464634
BMW X1 F48 Control Unit Remote Backrest Unlocking 7464634
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

Part no. 7550469
BMW E60N E61N E81 E87N E88 E90 E91 E92 E93 Alternator 7550469
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7794908
Preheater System Lead BMW E87 E90 E91 Diesel 7794908
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8373700
BMW E60 E63 E87 E90 E91 Relay Make Contact White Green 8373700
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9377149
BMW 1 3 Series F20 F21 F30 F31 Telematic Control Unit Module 9377149
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9874338
Navigation Headunit BMW F20 F21 F30 F31 Mini F56 Head Unit Basic Media 9139895
€113.95
Free delivery: Feb 3 – 6
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
€23.95
€22.75
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

Part no. 8376445
BMW X3 X5 E53 E83 E46 E39 LCI Switch Unit Steering Column 8376445
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9273584
Seat Belt Module BMW E92 F32 E61 Control Unit LCPA ECU 9273584
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9146036
BMW X5 E70 ECU Body Control Module Unit JBBFEII PL4 LOW 9146036
€85.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9227179
BMW 1 Series E81 Body Control Module ECU L2 PL2RR JBBFE Junction Box 9227179
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8570442
Engine Wiring BMW F25 F26 2.0dX B47 Loom Module Harness Cable Automatic 8570442
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9241826
On Board Screen BMW F10 F11 Central Information Display Monitor 10,25" 9241826
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6798872
BMW F10 F11 F30 F31 Wheel Electronics Module RDC 433MHZ Control Unit 6798872
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9166782
BMW X5 X6 Series E70 E71 Board Monitor Sat Nav System Screen 8,8" 9166782
Promo price
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9187534
BMW E81 Body Control Module Unit ECU L2 PL2 JBBFEII 9187534
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6857701
BMW 1 2 3 F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6857701
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6973115
BMW X1 E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6973115
€56.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8792148
Navigation Headunit BMW F20 F22 F30 Mini F55 F56 Head Unit Basic Media
Promo price
€137.95
€82.77
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

-5%
Part no. 6968649
BMW E93 Convertible Aerial Antenna Amplifier FM/AM Left N/S 6968649
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9267085
Antenna Amplifier BMW F01 F10 F13 Aeral Diversity 868 MHZ Control Unit 9267085
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6863433
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6863433
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

Part no. 9115488
IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 9115488
€47.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9134666
Seat Module BMW E87 E90 E91 E92 Control Unit ECU 9134666
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9239985
BMW F10 F11 Control Unit ECU Module Airbag Safety Unit 9239985
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9329702
BMW F20 F30 F31 REM Rear Electronic Module Fuse Box Control Unit V3 9329702
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-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: Feb 3 – 6
If paid before 14:00

Part no. 8386708
BMW X5 Series E53 Xenon Headlight Ballast Control Unit Module Hella 8386708
€32.95
Free delivery: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9367837
Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Control Unit ECU 9367837
Promo price
€170.95
€145.31
Free delivery: Feb 3 – 6
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: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9138969
BMW E60 LCI E61 LCI Electronic Driver Circuit Centre Console 9138969
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6820526
Head Unit BMW F20 F21 Radio Media GPS Sat Navigation Unit 6820526
Promo price
€142.95
€121.51
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9290013
BMW X3 F25 Footwell Light Control Unit Module ECU FRM III TEMIC 9290013
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9218702
Rain Sensor BMW F10 F11 Light Solar Fogging Control Unit 9218702
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8514291
Battery Cable BMW X3 F25 X4 F26 B47 Alternator Starter Base B Cable 8514291
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9286171
BMW F20 Front Right O/S Wiring Loom Harness Door O/S 9251711
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9301309
Air Conditioning Unit BMW F20 F21 F30 F31 Control Unit A/C Module 9301309
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7621168
BMW F20 F21 F30 F31 Earth Cable Battery Engine N47N N13 7621168
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 2990415
BMW X1 E84 Front Door Handle Bowden Pull Cable Wiring 2990415
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9340339
BMW E90 Max Brose Footwell Light Module Control Unit ECU 9340339
€227.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6799712
BMW F10 F11 ICM Management Control Unit Module DSC Brakes 6799712
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7560626
BMW X3 Z4 E83 LCI E85 E86 Power Distribution Module Fuse Box 7560626
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7286050
BMW F20 Control Unit Module Wing Mirror Power Fold 7286050
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9181453
BMW 1 X4 X5 Series F20 F21 F25 F26 Antenna Aerial Diversity Trap Circuit 9181453
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

-15%
Part no. 6972065
BMW E91 Touring Ultra Sonic Burglar Alarm System Sensor Module 6972065
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9234087
BMW E70 F01 F02 F10 F11 Rain / Light / Solar Fogging Sensor Control Unit 9234087
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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 3 – 6
If paid before 14:00

-40%
Part no. 9220695
BMW X5 X6 E70 E71 Control Unit Module Top Rear Side View Camera 9220695
Promo price
€66.95
€40.17
Free delivery: Feb 3 – 6
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 .