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.
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Alternator Generator Mercedes W177 W247 M260 Petrol Engine 150A A0009068106
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Ford Transit Fuse Relay Box Housing Covering Panel Cover Trim 6C1T14A076E
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Phone Adapter Mercedes W203 W211 Contact Plate Holder Telephone A2038201311
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Starter Motor Land Rover Freelander 2 Diesel Engine Actuator LR003468
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Audi A6 C6 6-Disc CD Changer Magazine Head Unit MMI 6946989
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BMW Mini 1 R50 R53 Rear PDC Ultrasonic Parking Sensor Pure Silver Metallic 900
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BMW 5 Series E61 Touring Positive Battery Cable Lead Plus Pole 6989782 9127768
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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BMW E88 Footwell Light Module Control Unit ECU Basis PL2 FRM3R 9308361
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Mercedes W209 Radio Head Unit Media Player Navigation Screen A2098205489
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BMW X5 E53 X3 E83 Control Unit Sliding Lifting Roof Panorama 6955925
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Mercedes Vito W639 OM646.980 Engine ECU Control Unit Module A6461501077 Manual
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Audi A5 F5 Camera Control Module Unit ECU 4M0907428F
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Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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BMW 1 E82 ECU Body Control Module L1 PL2RR JBBFE IIIR Junction Box 9226325
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Mercedes Sprinter W906 Engine Starter Motor Lucas LRT00134
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Audi A1 S1 8X Fuse Relay Box Module Unit 6C0941824D
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BMW 5 Series E60 E61 LCI Rear Bumper PDC Ultrasonic Sensor Interlagos Blau Blue
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Mercedes Sprinter W906 Battery Cover Frame Bracket Mount Holder A9065410740
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Audi Q7 4L Air Suspension Control Module ECU 4L0910553B
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BMW E46 Positive Battery Cable Plus Pole Lead 6910597
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BMW E60 E87 E90 CAS 3 ECU Control Unit Key Reading Module 9237047
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Mini Cooper One R55 R56 R58 R60 R61 Airbag ECU Control Module 3454346
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BMW X3 E83 Z4 E85 2.5i M54 192HP Engine ECU DME Control Unit 7532140 Automatic
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Mercedes W906 OM651.955 Diesel Engine Wiring Harness Loom Cable A6511508656
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BMW E60 E61 E90 E91 LCI Display Screen 8.8" Monitor Sat Nav 9211969
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Renault Trafic 3 R9M 450 1.6 DCI Diesel Engine Unit ECU 237103984R Manual
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BMW E60 E90 E91 X5 E70 Mini R56 FBAS Video Control Unit TV Tuner Module 9206973
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BMW 1 3 Series E81 E87 E92 E93 Towing Tow Bar Trailer Hook Module Control Unit
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BMW F40 ACSM5 Control Unit Air Module ECU Control Module 5A656B7
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BMW 3 Z3 Series E36 Airbag Control Unit Module Sensor ECU 8374798
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Door Module Mercedes GLC X253 Front Door Left Control Module A2059000328
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VW Volkswagen Polo 6R Negative Battery Terminal Cable Wiring 6R0971537F
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BMW E46 E60 E61 E65 E83 E53 M57N Engine Starter Motor 63223537
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Mini R56 LCI N16 122HP Petrol Engine ECU Kit DME 7607685 + CAS 3 + 2 Keys
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Mini Cooper S R52 R53 Positive Battery Cable Fuse Box Module B 6911180
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Mercedes-Benz W245 Front Bumper Parking Distance Sensor Parktronic Kosmos Black
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Mini Countryman R60 Light Module Footwell Module PL3 FRM3R Lear ECU 3457587
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BMW E90 LCI Footwell Light Control Module LCM LED Basis 9224595
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Audi A6 C6 Body Control Comfort Unit Module BCM Unit ECU 4F0907289G
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BMW X3 F25 Positive Battery Clamp Point Cover Wiring Loom 9192665
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BMW X5 E53 3.0i Petrol M54 231HP Engine ECU Kit DME 7519308 EWS3 Key Automatic
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Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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BMW E60 Seat Control Unit Module Left Right N/O/S Temic 6927260
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Renault Trafic II Opel Vivaro A 2.0 DCI Alternator Bracket Mount 8200527320
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Mercedes SLK R172 Relay Fuse Box Control Unit A1725400950
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BMW X5 Series E70 Individual Audio System Amplifier Top-hifi Lear PL5 9166075
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Skoda Octavia II 2.0 TDI BKD Diesel Starter Motor 02E911023L
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Mini Cooper R55 R56 IBS Negative Battery Lead Cable
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BMW E87 E90 LCI N47 118d 318d Diesel ECU Kit DDE 8512499 CAS3 + Keys Manual
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Mercedes-Benz C-Class W204 Battery Negative Earth Cable Wiring A2049820202
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Audi A4 B9 Front Centre Dashboard Tweeter Speaker 8W0035454
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Mini Cooper One R50 R53 Navigation Screen Display Instrument Cluster 6921521
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Mini One F56 B38 102HP Petrol Engine ECU Control Unit DDE 8642704 Manual
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Audi Q2 GA Online Services Control Module ECU Control Unit 5WA035282
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BMW F11 Parking Brake Module Wiring Cable Harness Loom 9325545
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Mercedes W907 DSM ISM Gearbox Control Unit Module Cloning Coding A0002704652
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Mercedes C253 OM654 Engine Wiring Cable Cover Duct Bracket Channel A6541599500
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Mercedes W205 Head Unit Radio CD Player Audio Sat Nav Control A2059008917
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Alternator Mercedes Vito W639 Sprinter W906 Generator 14V 120A Bosch A0141542702
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Mercedes R172 Door Module Mercedes Front Right O/S Control Unit A2129009229
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BMW E87 E90 E91 E92 E93 Diesel Alternator Valeo 150A Diesel 7790548
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BMW F10 F30 320d 520d ed 163HP Engine Control Unit N47N ECU DDE 8574093 Manual
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BMW F30 F31 320i N20 184HP Engine Control Unit ECU DDE 7649131 Manual
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BMW E81 E87 E88 E89 E90 E91 E92 E93 Radio Business CD 6962296
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VW Volkswagen LT 35 Glow Plug Module Relay Control Unit Black 2D0911253
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BMW E90 LCI Junction Box Body Control Module H1 PL2RR JBBFE IIIR 9226328
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Mercedes W207 Telematic Communication Control Unit Module A1669005517
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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BMW X5 E70 X6 E71 Body Control Unit Module Junction Box ECU 9247465
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Audi A4 B9 Q5 FY Body Control Comfort Unit Module BCM Unit ECU 8W0907063CH
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Mercedes Vito W639 Key Reader Ignition Lock Cable Wiring Harness A6395402710
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BMW E65 E66 Control unit power ECU module 6957026
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Air Module ECU Mini F54 F55 F56 F57 F60 Crash Control Unit Module 9484304
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Battery Cable BMW X5 F15 Positive Plus Pole Distribution Box Wiring SBK3 9322056
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Mini R55 R56 Engine N14 1.6 174HP ECU Kit DME 7610081 CAS3 + Key Manual
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On Board Monitor BMW X5 E70 X6 E71 Sat Nav System Screen Display 8,8" 1138730
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Seat Ibiza IV Multimedia Radio Sat Nav CD Player Head Unit 5QA035858A
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Mercedes C207 Cable Wiring Power Steering Rack Loom Harness A2045400010
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Mercedes W205 Head Radio CD Player Navi Interface Control Unit A2059006222
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BMW 5 6 7 E60 E61 E63 E65 N62 N62N Alternator Supporting Bracket Mount 7533837
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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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BMW F20 F21 F30 F31 LCI F32 F33 F34 Alternator Generator Unit 14V 190A 8645326
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Mini Cooper R55 R56 R57 1 CCC Navigation Navi Sat Nav Head Unit 9138452
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Mercedes W205 C200 274.920 184HP Engine Control Unit ECU A2749000800
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Vauxhall Corsa D 1.3 CDTI Engine Starter Motor 55217672
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BMW E87 LCI Body Control Module Junction Box ECU PL2RR JBBFE IIIR 9267421
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Volkswagen Golf CD1 Antenna Amplifier Transmitter Receiver Module ECU 5WA035741B
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9278074
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Audi TT 8J BCM Body Control Module Unit ECU 8P0907063R
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Mercedes W906 Distributor Box Battery Cable Unit A0035464240
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Gateway Module Mercedes W211 Control Unit ECU A2115408545
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Audi Q7 4L Air Suspension Adjustment Module Control Unit 4L0907553E
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BMW E46 M43 M57 Battery Cable Alternator Starter Base B+ Lead 1707017
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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 .