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

Part no. 6819336
BMW F20 F21 F22 F30 F31 F32 F33 Fuse Box Body Control Unit Module REM V5 6819336
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7572873
BMW Z4 E85 E86 Battery Holder Hold Down Bracket 7572873
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9197316
BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 90847906
BMW F10 F20 F30 Reversing Camera ECU Control Unit Module 90847906
€61.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9288304
FEM Module BMW F20 F21 F22 F30 F31 F32 F36 Control Unit 9288304
Promo price
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9236519
BMW 1 Series E81 E87 LCI Front PDC Parking Distance Control Loom Wiring 9236519
Promo price
€56.95
€34.17
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9130047
BMW 3 4 5 Series E92 F32 E61 LCPA Seat Belt Module ECU
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9264917
BMW Z4 E89 Roadster Air Module Control Unit ECU 9264917
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9204532
BMW E91 LCI ECU LED NSW Light Module Control Unit PL2 FRM II 9204532
€28.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9298962
BMW F20 F21 F22 F30 F31 F32 F33 F80 M3 Body Control Unit Module REM V5 9298962
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9362848-1
Telematics Module BMW F20 F21 F30 F31 Bluetooth Teleservices GPS Unit 9342881
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9221861
BMW E90 E91 E93 LCI Front Left Right N/O/S Seat Control Module ECU 9221861
Promo price
€66.95
€56.91
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8631672
BMW 1 3 Series F20 F30 LCI M140i 340i Engine Gearbox Module Wiring Loom Harness
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6850846
BMW F10 F11 F12 Parking Brake Unit Electric Control Module EMF 6850846
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8636064
Wiring Cable BMW F20 F30 LCI B48 Engine Injector Ignition Loom 8636064
Promo price
€85.95
€51.57
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 8366646
BMW 3 5 6 Series E60 E63 R50 R52 Relay Make Contact Orange 8366646
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6906621
BMW E87 E90 E91 E92 E93 Power Distribution Fuse Box Front 6906621
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9387561
Head Unit BMW I3 I8 Mini F56 Navigation Sat Nav DAB High Control Module 9387561
Promo price
€227.95
€136.77
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7811163
BMW 1 3 5 Series F10 F20 E90 LCI Wiring Harness Engine Glow Plug Module 7811163
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9462544
BMW F20 F30 F31 Mini F55 F56 F60 Control Unit Air Conditioning Module 9462544
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 1388911-1
BMW E36 E38 E85 Mini R52 R57 2x Change-Over Contact Relay Violet Set 1388911
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6938504-1
Positive Battery Lead BMW E90 E91 E92 E93 Battery Wiring Harness Cable 6938504
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6777641-1
Air Module Wiring BMW X5 E70 E81 E87 E90 E91 E92 E93 Steering Wheel Loom
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9297282-1
BMW E63 E64 Battery Power Cable Lead Positive Underfloor Red 9297282
Promo price
€37.95
€32.26
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9247470
BMW E90 LCI Junction Box Body Control Module Unit 9247470
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 8510592-1
BMW E81 E87 E90 LCI 118d 318d N47 ECU Kit DDE CAS3 Key 8510592
Promo price
€94.95
€56.97
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9187533
BMW E92 ECU Body Control Module Junction Box L1 PL2 JBBFE II 9187533
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9189905
BMW X5 E70 X6 E71 Safety Control Unit Air Module Bag ECU Bosch 9189905
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9110887
BMW E90 E92 E93 Switch Cluster Steering Column Cruise Control 9110887
€37.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8387547
Fuse Box Base BMW X3 E83 Mini R50 R53 Battery Positive Cable B 8387547
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6986077
BMW E81 E87 E90 E91 E92 6-disc CD Changer Without Magazine 6986077
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8385157
BMW X3 E46 E83 LCI Start Point Housing Bracket Base B 8385157
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6925936
BMW 5 Series E60 E61 Wiring Loom Harness Co-Drivers Passenger Side 6925936
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8574351
BMW X1 E84 16d 18d 18dX Diesel N47N Engine Control Unit ECU DDE 8574351 Manual
Promo price
€94.95
€80.71
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9331207
BMW F20 CD DAB Radio Bluetooth Head Unit 9331207
Promo price
€47.95
€40.76
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9171948
BMW X5 X6 E70 E71 Air Module Control ECU Unit Module 9171948 0285010250
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6850955
Brake Control Unit BMW F10 F11 X3 F25 Parking Brake Handbrake Module EMF 6850955
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7311541
BMW 2 Series F22 F87 M2 Rear Third Stoplamp Stop Lamp Brake Light White 7311541
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9117831
Negative Battery Lead BMW F45 F46 X1 F48 IBS Minus Pole Cable 9117831
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. P0148459-IB1
Mini Cooper One 1 R50 Fuel Filler Cover Fill In Flap Indi Blue Metallic 862
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9119357
BMW 1 3 5 E60 E81 E87 E90 E91 Mini R55 R56 DAB Radio Tuner Module 9119357
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9165624
BMW E93 Air Module Control Unit Module ECU 9165624
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6998487
Airbag Module Mini F55 F56 F60 BMW X1 F48 F45 ECU Control Unit Air Bag 6998487
Promo price
€155.95
€132.56
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9224866
BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Front 9224879
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6934648
BMW X5 E70 E91 LCI Touring Tailgate Trap Circuit Aerial Amplifier 6934648
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9289580
Dashboard Monitor BMW X5 E70 X6 E71 Onboard Display Screen CID 8,8" 9289580
Promo price
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6990090
BMW E61 E63 E90 E92 F06 Mini R55 R56 Trap Circuit Antenna 6990090
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7633242
BMW F10 F20 F30 Integrated Relay Power Supply Module Distribution Box 7633242
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6794618
EMF Actuator BMW F10 F12 Brake Caliper Parking Brake Unit Electric 6794618
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6922211
BMW E81 E87 E90 E60 Mini R55 R56 R57 Interior Aerial Comfort Access 6922211
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9124583-KAS
BMW E87 E90 Front Rear PDC Ultrasonic Parking Sensor Kaschmir Silver A72 9124583
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7638477
Ignition Coil BMW E81 E87N LCI E90 E91 E92 F10 F11 Bosch 7638477
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9866979
BMW F20 F21 F30 F31 Rear Electronic Module Fuse Box Control Unit V2 REM 9866979
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9337880
BMW F20 F22 F30 Rear Electric Power Distribution Fuse Box 9337880
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6906621-1
BMW E87 E90 E91 E92 E93 Fuse Box Power Distribution Front 6906621
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6935600
BMW E81 E82 E87 E90 E91 PDC Parking Ultrasonic Sensor Sonora Metallic 6935600
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 7575579
BMW X5 X6 Series E70 E71 Cable Wiring Harness Rear Differential Axle 7575579
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6766003
BMW X3 E83 Z4 E85 E86 Fuel Pump Module Control Unit 6766003
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9231175
Diversity Antenna Amplifier BMW F30 F32 Rear Window DAB Module Unit 9231175
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6902285
BMW E39 E87 E90 E91 Trigger Contact PDC Sensor Tweeter Gong 6902285
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9315150
BMW X3 F25 Front Distribution Box Fuse Box Power Control Unit 9315150
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9226347
BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9226347
€94.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9382417
BMW 1 2 3 5 F10 F20 F23 F30 Bluetooth Teleservices GPS Telematics Module 9382417
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9316575
BMW 1 2 Series F20 F21 F22 Battery Cable Lead Positive Underfloor 9316575
Promo price
€75.95
€45.57
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 7253188
BMW E92 Sport Seat Left Right Thigh Support Heated Cover Trim Leather Dakota
Promo price
€42.95
€25.77
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6921415
BMW E46 E89 Mini R50 R52 Parking Control Module Unit PDC 6921415
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9338800
iDrive Control Unit BMW F10 F20 F30 Touch Controller Module ECU 9338800
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8647255
BMW F20 LCI F21 F22 Integrated Supply Control Module Unit 8647255
Promo price
€28.95
€24.61
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9312764
Body Control Module BMW F10 LCI ECU Junction Box PL6 JBBFE III V2 9312764
Promo price
€56.95
€48.41
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7618677
Battery Lead Cable BMW E81 E84 E87 RR1 RR2 RR3 Negative IBS 7618677
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7075907
BMW Z4 E85 Left N/S Contact Bush 7075907
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 8574102
BMW F20 F21 F30 F31 F32 Starter Motor Engine Actuator N47N Diesel 8574102
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8583657
Wiring Harness BMW F20 E90 LCI Mini R56 LCI Engine Glow Plug Module 8583657
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9270500-SCH
BMW X3 Series E83 LCI Front PDC Ultrasonic Parking Sensor Black 9270500
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8509722-2
Control Unit Box BMW F20 F21 F22 F30 F31 Cover Panel Protection 8509722
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
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
€113.95
€96.86
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6945147
BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 6945147
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9238195
Fuse Box Grouping BMW F10 F11 F12 Fuse Placement Map Card Diagram 9238195
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-40%
Part no. 9301522
BMW F01 F02 F07 F10 F11 CAS4 Control Unit Key Reading Module 9301522
Promo price
€113.95
€68.37
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9153803
BMW X5 Series E70 Light Lightning Control Unit Module FRM II Lear 9153803
Promo price
€170.95
€145.31
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6839769
KaFAS Module BMW F10 F20 F30 Mini F55 F56 Assist Camera Control Unit 6839769
Promo price
€32.95
€28.01
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 9347822
Head Unit BMW F10 F11 F20 F30 Navigation Sat Nav High Control Module 9347822
Promo price
€189.95
€161.46
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 8506281-2
BMW E87 LCI E90 116d 316d N47 Engine ECU KIT DDE 8506281 + CAS3 + Key Manual
Promo price
€89.95
€76.46
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7580334
Earth Ground Cable BMW F10 F11 F13 F01 Battery Cable Engine Wiring 7580334
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9218331
BMW E93 Radio Head Unit Comand CD DVD Player Changer 9218331
€617.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9273666
BMW F33 F83 M4 Convertible Rear Antenna Aerial Amplifier AM/FM 9273666
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8363668
BMW X3 X5 Series E53 E83 Steering Column Turn Indicator Switch Stalk 8363668
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 8518568-3
BMW F20 F30 120d 320d ed Diesel N47N 163HP ECU Kit DDE 8518568 + Key + FEM
€132.95
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9202152-1
BMW E81 E87 E88 E90 E91 Radio Business CD Player 9202152
€23.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 7856817
BMW F90 M5 F91 M8 Battery Cable Wire Lead Positive Alternator Starter B+ 7856817
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 8377654
BMW X5 E53 AmplifIer Trap Circuit Antenna Booster Diversity 8377654
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 6989136-1
BMW E60 E61 E63 PDC Rear Parking Sensor Ultrasonic Titangrau II - A08 6989136
€32.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 3437180
BMW E83 Telephone Bluetooth Roof Aerial Module Control Unit 3437180
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9251487-1
BMW E88 Cabrio Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
€170.95
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 9291964
BMW 1 Series F20 Front Left Door N/S Wiring Loom Harness Cables 9291964
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6944875
BMW E36 Z4 E85 Z3 Module Radar Burglar Alarm Sensor 6944875
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

-5%
Part no. 6855558
BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558
Promo price
€23.95
€22.75
Free delivery: Feb 3 – 6
If paid before 14:00

Part no. 9248361
Radio Player BMW F10 F11 F20 F21 F25 F30 F31 Alpine CD Champ 2 Head Unit 9248361
€123.95
Free delivery: Feb 3 – 6
If paid before 14:00

-15%
Part no. 6938975
BMW E60 E61 E63 E64 6-disc Compact CD Changer 6938975
Promo price
€32.95
€28.01
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 .