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. 9224595
BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
Promo price
€113.95
€96.86
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7823314
Mini Cooper R55 R56 R57 LCI N47N 1.6 Diesel Engine Starter Motor 7823314
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6788716
BMW 7 Series E65 E66 E67 Steering Column Control Unit CIM Module
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 7799855-2
BMW 1 3 5 Series E60 E87 E90 M47N2 120d 320d 520d ECU Kit DDE CAS2 Key 7799855
Promo price
€541.95
€325.17
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6920478
BMW 7 Series E65 E66 E67 Sensor Front Right Door Airbag 65776920478 6920478
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1489995
Mini Cooper R50 R52 R53 Starter Motor W10 1.6 Petrol Engine 1489995
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6946108
BMW 7 Series E65 E66 E67 Sensor Rear Seat Airbag 6946108
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6950089
BMW E81 E87 E90 Hands Free Electronics Charging Bluetooth Module MULF 6950089
Promo price
€47.95
€28.77
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 7809002
BMW E81 E82 E87 LCI E88 Engine N47S 123d ECU Kit DDE 7809002 CAS3 + Key Manual
Promo price
€208.95
€125.37
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6771182
BMW E90 E91 E92 E93 Longitudinal Dynamic Module Cruise Control 6771182
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9175649
BMW E81 Footwell Light Module LOW PL2 FRM II 61359175649 9175649
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 9226328
BMW E90 Body Control Module Junction Box H1 PL2RR JBBFE IIIR 9226328
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7537612-1
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6921979
Door Module BMW E65 E66 E67 Front Door Control Unit Passenger Side 6921979
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6906604
Mini Cooper One R50 R52 R53 Power Distribution Fuse Box Front 6906604
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9119446
BMW E81 X1 E84 E87 E90 E91 E92 Fuse Box Power Distribution Unit Front 9119446
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 3449417
BMW Mini Cooper R55 R55N R56 R56N LCi Ultra Sonic Module Alarm System 3449417
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00
-5%
Part no. 7798006
BMW E60 E61 E87 LCI E81 E82 X1 E84 E90 E91 N47 Diesel Starter Motor 7798006
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7550468
BMW E81 E87 LCI E90 E91 E92 E93 Petrol N43 Alternator 170A 7550468
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 3402862
BMW X3 E83 LCi Earth Cable Flow Electric Battery Negative
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00
-5%
Part no. 7795638
BMW 3 E90 E91 E92 E93 Cable starter-base B Diesel 7795638
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7793200
BMW E90 E91 E92 E93 X5 E70 X6 E71 Engine Starter Motor Alternator Cable 7795640
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7537612
BMW X5 E53 E60 E81 E87 E90 Engine Vacuum Control Electric Valve 7537612
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9177983
BMW E87 LCI Body Control Module Junction Box H2 9177983
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6915327
BMW E46 E39 E60 E81 E87 E90 E91 F10 F20 F30 Relay Make Contact Sky Blue 6915327
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6919759
BMW E65 E66 E67 Control Unit Front Centre Console Module 6919759
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 2754241-1
BMW MINI Cooper R55 R56 R57 R60 Engine Computer Mount Support Bracket Holder
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7552105
Mini Cooper One R55 R56 R58 Petrol Engine Starter Motor N12 7540897
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9804157
BMW F20 F21 F22 F23 LCi Mid-range Sound Speaker Stereo HiFi
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 3405815
BMW X3 Series E83 E83N Inclination Indicator Alarm System 65753405815 3405815
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9226888
BMW 1 Series F20 F21 Antenna Aerial Noise Suppression Filter 9226888
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9137703
Mini Cooper One R55 R56 Door Wiring Harness Factory Right O/S 9137703
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
Part no. 6969281
BMW 1 3 X1 Series E81 E84 E87 E90 E91 Parking Control Module Unit PDC 6969281
€56.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6954298
BMW E81 E87 E90 E91 Adapter Lead Medium Range Loud Speakers 6954298
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 9159806
BMW E87 LCI Footwell Light Control Module ECU LOW PL2 FRM II 9159806
Promo price
€80.95
€48.57
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9265300
BMW 1 2 Series F20 F21 F22 F23 LCi Headlight Switch Control Element Light
Promo price
€28.95
€24.61
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 6961134
BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6961134
Promo price
€113.95
€68.37
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7794911
BMW E87 E90 E91 Cable Alternator Starter Base B 7794911
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9183233
BMW E60 E61 LCI Centre Console Switch Cluster Control Unit ECU Module 9183233
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7152588
Mini Cooper One R50 R53 JCW Fuel Filler Cover Flap Actuator 7152588 7127872
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6922528
BMW 5 Series E61 E61N LCI Holder Bracket Additional Battery 6922528
Promo price
€26.95
€25.60
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6926962
BMW E60 E61 Front Seat Adjustment Switch Right O/S 6926962 6930048
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-15%
Part no. 9253111
BMW F20 F21 F22 Positive Plus Pole Battery Blow Off Cable 9253111
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9177754
BMW E60 E87 E90 Telematics Bluetooth Control Unit Module 9177754
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6982348
BMW 5 Series E60 E61 Wiring Drivers Side Loom Door Cables Front Right O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9137799
Door Wiring Mini Cooper R55 R56 R57 R58 R59 Passenger Cable 9137799
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8372204
BMW X5 Series E53 Control Element Light Switch 61318372204 8372204
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7520912
BMW E60 E61 E63 E64 LCI Cover Electronic Box 7520912
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6934095
BMW 7 Series E65 E66 Door Wiring Harness Rear Right Left N/O/S
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6906600
Fuse Box Mini Cooper R50 R52 R53 JCW Housing 1509011
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6928267
BMW E65 E66 E67 Gateway Sensor Air Module Control Unit 6928267
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8383185
BMW X5 7 Series E38 E53 Control Unit Illuminated Door Handle 8383185
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6990109
BMW X3 E83 LCI Front Door Speaker Tweeter 6990109
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7798482
BMW E60 E61 Battery Alternator Cable Lead For Preheater System 7798482
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-40%
Part no. 8512047
BMW E90 E91 LCI N47N 320d ed ECU KIT DDE CAS 3 Key 8512047 Manual
Promo price
€165.95
€99.57
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6938966
BMW 5 Series e60 Suppression Filter Radio Areal Amp Supressor 6938966
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 2754241-2
BMW MINI Cooper R55 R56 R57 Engine Computer Mount Support Bracket Holder 2754241
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9134280
BMW E81 E82 E87 E90 E91 Air Module Control Unit No Crash Data 9134280
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9176882
BMW E87 LCI Body Control Module Junction Box Electronics H2 9176882
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6934021
BMW 7 Series E65 E66 Front Left Right Door N/O/S Wiring Loom Harness 6920291
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 2757044
Mini R55 R56 R57 R58 Right O/S Electric Window Lifter Motor 2757044
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6907519-1
BMW 7 SERIES E65 E66 E67 Battery cable plus pole 6907519
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7516376
BMW E65 E66 E67 Electric Valve 735i 745i 735Li 745Li 745LiS 7516376
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 411033
iPod Most Interface BMW E60 E65 E81 E87 E90 Module Alpine 0411033
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7181313
BMW X1 E84 E90 E91 Door Handle LED Light Lighting Left N/S 7181313
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6964141
BMW 7 Series E65 E66 E67 Control Unit Module Door Front Driver Side 6964141
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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, Oct 08
If paid before 14:00
-5%
Part no. 1378238
BMW E60 E63 E87 E90 E91 Relay Make Contact Orange 1378238
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6956505
BMW E60 E61 E63 E64 Rear Power Distribution Fuse Relay Box 6956505
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6919354
BMW E60 E61 Stereo System Central Bass Subwoofer Right O/S 6919354
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8387541
BMW X5 E39 E53 Fuse Box Housing 8 Fold Voltage Regulator Boot 8387541
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6921982
BMW 7 Series E65 E66 E67 Control Unit Door Rear Driver Side
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 6941592
BMW 5 E60 Light Control Module Unit Lear LME6X MAN LWR LCM Delphi 6941592
Promo price
€37.95
€32.26
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6972064
BMW 1 3 X1 SERIES E81 E87 E90 E91 E92 Ultra Sonic Module Alarm System 6972064
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6907520
BMW 5 X5 Series E39 E53 Dual Band Cable Compensator Hands Free Phone 6907520
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6905950
BMW X5 Series E53 Spoiler Dualband Antenna Amplifier Aerial 6905950
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-15%
Part no. 7595179
BMW E81 E87 LCI E90 E91 Petrol N43 Engine Control Unit ECU DME 7595179 Manual
Promo price
€85.95
€73.06
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6921980
BMW 7 Series E65 E66 Control Unit Door Rear Passenger Side
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 0148459-CHRED
Mini Cooper One R50 Fuel Filler Cover Flap 0148459 Chili Red - 851
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
Part no. 6935599
BMW 1 3 Series E81 E87 E90 PDC Parking Ultrasonic Sensor Red Japanrot Japan Red
€23.95
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6990089
BMW 6 X3 Series E63 E83 Radio Antenna Amplifier Suppression Filter
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8385164-1
BMW 7 Series 1 E65 E66 Battery B+ Engine Compartment Terminal Point 8385164
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 2755704
Genuine BMW Mini Cooper One R55 R56 R57 R60 R61 Fuse Box Empty Housing 2755704
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 1480790
Fuse Relay Mini Cooper One R50 R53 Electrical Box Housing With Cover 148079
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 6972611
BMW 5 Series E60 E61 Wiring Rear Left Right Door Cable Harness N/O/S 6982362
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 9150721
BMW E87N ECU Body Control Module H2 Junction Box 9150721
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 7524843
BMW E81 E82 E83 E84 E85 E87 E90 Petrol Denso Starter Motor 7524843
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
If paid before 14:00
-5%
Part no. 8377658
BMW X5 SERIES E53 TV amplifier 8377658
Promo price
€23.95
€22.75
Free delivery - Wed, Oct 08
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 .