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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Part no. A2218208089
Mercedes W221 Antenna Amplifier Control Unit Module A2218208089
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Toyota RAV4 Diesel Starter Motor Engine Actuator DENSO 28100-64300-84
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Seat Leon Mk3 5F Deployment Crash Impact Sensor Front Centre 3Q0959651A
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Volkswagen Transporter T6 Power Distribution Unit Box With Bracket 7LA937548
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Mini Cooper F55 F56 Control Unit Module Active Sound Design Amplifier 6827161
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BMW E60 E81 E90 E91 Petrol Alternator Generator 180A 7555926
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BMW 5 6 Series E60 E61 E63 ECU Key Reading Module Control Unit CAS 2 6963828
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BMW X5 E70 X6 E71 Car Multimedia Navigation System 10.25" Screen GPS 2-DIN
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Mini Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS 3 + Key Automatic
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Mercedes Vito W639 Fuse Box Relay Control Unit Front SAM Module A6399000800
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Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H
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Audi Q7 4L Door Control Unit Module ECU Front Right O/S 4L0907290A
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Reversing Camera Module BMW F10 F20 F30 Rear View Unit 9393953
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Vauxhall Astra H Corsa D Merriva B 1.7 CDTI Engine Starter Motor 8980147432
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Mercedes CLK W209 Convertible Fuse Box Rear SAM Module Control Unit A2095450901
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Mini R55 R56 Audio Amplifier Harman Becker Hi-Fi System Booster 3451405
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BMW E82 E90 E92 Aerial Antenna Amplifier Diversity DAB Control Unit 6928935
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Mercedes X253 Steering Wheel Contact Switch Control Plate A0994644206
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Alternator Mini Cooper S R52 R53 Petrol W11 Compact Generator 105A 7515030
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Mercedes CLK W209 Convertible Rain Light Sensor Windscreen Module A2098203026
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BMW 3 Series E90 E91 E92 E93 Engine Starter Motor 0 986 021 230
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BMW E91 ECU Body Control Module H4 Electronic Box 61359177987 9177987
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Mercedes W177 Front Seat Left N/S Module Control Unit ECU A2479005707
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BMW E60 E61 E63 E81 E87 E90 E91 DAB Radio Tuner Module Unit 9119359
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Mercedes W118 W177 W206 W247 Air Quality NOX Sensor A0009054807
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Mercedes W204 Seat Loom Cable Multicontour Pump Control Front A0009102675
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Mercedes W164 W204 W211 OM642 Diesel Alternator Generator A6421540402
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BMW E90 LCI Amplifier Hifi Speaker System Control Unit Module 9143156 6960925
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Mini Cooper D R56 LCI R60 N47N 112HP Engine ECU Kit DDE 8519663 Key CAS3 Manual
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Audi A8L 4H Air Suspension Control Unit Module ECU 4H0907553E
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Bass Speaker BMW F30 F31 F32 Central Subwoofer Harman Kardon Left N/S 9210151
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Mercedes CLA C117 Head Unit Sat Nav Navigation Display Screen UB2305000334
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Wiring Mini R55 R57 LCI R58 R60 Petrol N18 Injection Ignition Harness 7620625
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BMW F30 F31 F32 Towing Hitch Trailer Hook Module Control Unit 6872319
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Audi A6 C6 2.0 TDI Alternator Generator 180A 14V 03G903016A
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Renault Master II Alternator Support Bracket Mount 117103703R
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Audi A6 C8 Adapter Cable Wiring Loom Crash Sensor 4K0971677
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Part no. E88 Wiring Loom Set PDC Rear
BMW E88 Cabrio Wiring Loom Set PDC Rear Complete Harness Parking Sensor
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BMW F30 Rear Bumper PDC Wiring Loom Harness Cables 9224950
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Air Module Mercedes W639 W906 Control Unit ECU Air Sensor 0285011060
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Mini Cooper R57 PL3 SPEG H4 Fuse Control Unit Module Distribution Box 3456857
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BMW 7 Series E65 Dynamic Drive Pump Wiring Loom Harness ARS Valve Block 6907314
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Relay Box Mercedes ML W166 Engine Compartment Relay Module A1669063801
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BMW F20 F30 Front Sport Seat Backrest Heating Mat Element 7243564
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Mercedes ML W164 Audio 20 Stereo Radio CD Head Unit Player A1648209289
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BMW X3 X5 Z4 E39 E46 E53 E83 E85 GPS Navigation Computer DVD 6920182
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BMW E65 E66 6-Fold CD Disc Changer Player Unit Without Magazine 6974852
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BMW X3 Series E83 3.0i M54 Automatic Gearbox Basic Control Unit EGS 7532988
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Audi A4 B7 Cabrio Folding Top Roof ECU Module Control Unit 8H0959255A
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VW Volkswagen Caddy Maxi 1.6 TDI Diesel Starter Motor 02Z911024K
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Mercedes W204 Fuse Box Relay Control Unit Electric Module SAM A2045453901
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Mercedes W211 Front Drivers Door Left N/S Control Module A2118701126
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BMW X3 X5 E53 E63 E83 Front Seat Belt Tensioner Buckle Connector Cable 8255704
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BMW E87 LCI E90 N43 116i 118i 320i DME Engine Control Unit 7583225
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BMW E82 ECU Body Control Module Junction Box L1 PL2RR JBBFE 9227178
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Parking Distance Audi A3 8V TT Mk3 Seat Leon MK3 Control Module 5Q0919283F
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Starter Volkswagen Crafter Diesel 2.5 TDi Starter Motor Bosch 076911023A
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Audi A5 8T Onboard Comfort Supply BCM Control Module Unit ECU 8K0907063DD
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Mercedes W211 S211 Airbag System Control Unit Module ECU
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Volkswagen VW Touran Door Harness Loom Cable Wiring Front Passenger 1T0971120AC
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BMW F10 F11 On Board Display Central Information Screen Monitor 10" 9243897
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Part no. A6401540502
Mercedes W169 W245 A B 160 180 200 CDI OM640 Alternator Generator A6401540502
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Part no. A0009062302
Starter Motor Mercedes W639 W906 Diesel Engine A0009062302
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Part no. 6983539-1
BMW 5 Series E60 Light Control Unit Module LEAR LM E6X MIT AHI 6983539
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC 9239323
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Seat Module Mercedes W213 C238 Memory Control Unit Left Right N/O/S A2139008409
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BMW E82 Footwell Light Module Control Unit ECU BASIS PL2 FRM3R 9251487
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BMW X3 Series E83 3.0d M57N2 218HP ECU DME Unit 7801217 Automatic Transmition
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BMW E38 E53 E86 F15 Mini R50 Diagnoctic Socket Connector Plug Housing 8380698
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Mercedes A160 W169 M266.920 Engine Control Unit ECU A0024463140 Automatic
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BMW F10 F11 LCI Xenon Adaptive Headlight Ballast Control Module Unit 7355073
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Whelen Euro-1 Vehicle Siren Amplifier Booster Module 200W 16A 01-086A664-01
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Alternator Mercedes Vito W639 Sprinter W906 14V 180A Valeo A6461541102
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Mercedes Vito W447 Fuse Relay Box Control Module A4475404326
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Mercedes W213 OM654 Battery Cable Starter Alternator Wiring Harness A2385406926
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Alternator BMW E90 E81 E87 E85 Petrol Engine N45 N46 Alternator 150A 7533270
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V8 9350705
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PDC Module Citroen C4 Berlingo Peugeot Parking Assist Control 0263004204
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BMW E60 E63 E87 E90 E91 Relay Make Contact Orange Bosch 4 Pins Set 1378238
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Ford Transit Connect Focus Mk1 Engine Alternator Generator 110A 2T1U-10300-CG
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Airbag Module Mercedes W207 C207 Coupe Air Bag SRS Control Unit ECU A2079014200
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Opel Vivaro A Renault Trafic MK3 1.6 dCi Engine Alternator 185A 93461046
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BMW E63 E64 LCI Camera Lane Departure Warning Unit 9137725
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Mercedes W169 W245 Rain Light Sensor Control Unit Module A1718203726
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Pioneer SPH-DA120 Head Unit Apple Carplay Android Auto Bluetooth Media Player
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BMW X3 E60 E61 E83 PDC Parking Sensor Ultrasonic Titanium Grey A36
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BMW E81 Footwell ECU Light Control Module MAX Kuester FRM3R PL2 9308364
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Front Impact Sensor BMW F70 G05 G14 G15 U06 Safety Crash Module Unit 9496817
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Mercedes W205 W217 W222 Tailgate Trunk Control Module Unit A2229006008
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BMW Z4 E89 Roadster 23i N52N 204HP ECU Kit DME 7609656 CAS3 Key Manual
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BMW E65 E66 Dashboard Control Display Screen 8,8" 6986301 9137123
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Part no. 7619139
Engine Wiring BMW F10 F11 F30 F31 X1 E84 N20 Loom Module Harness Cable 7619139
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Alternator Motor BMW F20 F21 LCI B37 Diesel Engine Alternator 180A 8626086
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BMW E81 E87 E90 E91 E92 LCI Radio CD Professional Bluetooth 9243919
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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 .