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. A2048205015
Mercedes W204 W207 Wiring Loom Cable Harness AUX Jack A2048205015
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Light Module BMW F11 Control Footwell Lightning ECU Unit FRM3 9251975
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Body Control Module BMW F11 ECU Junction Box 3 PL6 JBBFE III V7 9244394
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BMW E60 LCI Light Control Module Unit Controller Lear LME6X AHL 9154944
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BMW E46 320d Diesel Engine M47N 150HP ECU Kit DDE 7792024 EWS3 + Keys Manual
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BMW E60 E90 LCI 325i 525i N53 218HP ECU Kit DME 7578020 + CAS3 + Key Automatic
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BMW E60 E63 E65 E85 E87 E90 E91 N52 Engine ECU DME 7559178 Automatic Gearbox
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Mini R56 LCI Fuse Relay Distribution Box PL3 SPEG H4 3456905
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BMW E81 E90 LCI Business System Car Infotaiment Computer CIC Unit 9258278
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PDC Parking Sensor BMW F01 F10 F11 Front Rear Bumper Sophisto Grey 9270050
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BMW F20 F21 F30 F32 LCI Headlight Ballast Control Unit Module FLE2 LOW 8494840
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BMW 6 Series E63 E63N LCI Antenna Amplifier Diversity 868 MHZ 9187682
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Mini Cooper One R50 Petrol W10 W11 Engine Control Unit DME 7520019 Manual
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Mercedes W212 E350 CDI OM642.852 Engine Control Unit Module ECU A6421508900
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Window Lifter Drive BMW E87 E90 E91 Motor Rear Left 6927025
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BMW F20 F21 F22 Central Information Display Screen 6,5" Control Unit 9262752
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Mercedes W212 Becker Navigation Map Pilot Control Unit Module A1669008808
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Mercedes W203 Diesel Engine Starter Alternator Electrical Cable A2035402206
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BMW F20 F21 LCI M140i B58 Gearbox Wiring Cable Aquamist Water Methanol 8631672
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BMW F20 F21 F30 F31 F32 BCM Body Control Unit Module REM 9329701
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Part no. 8631668-Aquamist
BMW F20 F21 LCI M140i B58 Engine Wiring Cable Aquamist Water Methanol 8631668
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Parking Sensor Mercedes W169 Front Bumper Distance Parktronic Horizon Blue 391
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Mercedes W203 ECU Control Unit Crash Impact Sensor Module Airbag A2038700026
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Mercedes W176 Center Console Wiring Loom Electrical Harness A1765405905
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Mercedes W204 W212 Door Module Rear Left N/S Control Unit Module A2128203985
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Mercedes W204 Centre Console Lightning Dashboard Cable Wiring A2045401307
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Mercedes CL203 CLC Head Unit CD Player Radio Audio Controller Unit A2038703594
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Mercedes W169 W245 Rain Light Sensor Control Unit Wiring A1695401006
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BMW F01 F10 F11 LCI IBS Negative Battery Lead Cable 9234437
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BMW F07 F10 F11 F12 F13 Battery Cable Wiring Plus Pole 9217036
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BMW E60 E61 E90 E91 On-board Navigation Display Monitor Screen 6,5" 9179808
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Part no. 8475350-1
BMW F20 F21 LCI 116d Diesel B37 B37D15A 116HP Engine ECU DDE 8475350 Manual
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BMW F21 Door Wiring Front Passenger Door Loom Cables Harness F22 9340997
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Mercedes W204 W212 Windscreen Rain Sensor Control Unit A2049017801
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BMW E81 E87 E90 LCI Professional Navigation Car Computer CIC 9283428
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BMW E90 Max Brose Footwell Light Module Control Unit ECU 9340339
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BMW 3 E91 ECU Body Control Module M Junction Box PL2RR JBBFE IIIR 9329800
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BMW E81 E87 E90 E91 LCI Professional CD Radio Bluetooth 9263468
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Audio Controller BMW E90 System Control Unit Module Navigation 9186215
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Mercedes W203 W211 Diesel Engine Starter Cable Wiring A2035401335
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BMW E87 E90 E91 Professional CCC Navigation System Controller
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BMW E87 E90 Seat Wiring Front Sport Seat Lumbar Loom Harness Cable 6942556
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Mercedes W203 W204 Petrol Engine Starter Motor A0061510501
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Speed Cluster Sensor BMW E87 LCI 130i E90 M3 E92 Yaw Rotary Rate Sensor 6850375
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Mercedes C CLK Class W203 W209 Antenna Amplifier Radio Left N/S A2038200189
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BMW 5 Series E60 LCI ECU Body Control Module Unit KBM Basis 9168833
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BMW E39 Saloon Rear Third Stoplamp Stop Lamp Brake Light 8360568
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BMW E39 Cruise Control Unit Module 8375497
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Mini Cooper One R55 R56 R57 R58 R59 Drivers Door Wiring Harness Loom 9137804
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BMW 3 5 7 X5 Series E38 E39 E46 E53 E65 Reception Antenna RDC 433MHZ 8378753
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Mercedes CL203 W203 Battery Terminal Fuse Box Control Unit Module A2035450803
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PDC Parking Sensor BMW X5 E70 F10 F11 F12 Ultrasonic Sensor Space Grey 9231283
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Fuse Pink Mercedes W415 Citroen Renault Kangoo Trafic Relay 4-Pin 8200308271
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Relay Black 12V V23134J52X207 V23134-J52-X207
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BMW E60 E87 E90 E91 E92 CAS 3 ECU Control Unit Key Reading Module 9226238
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Mercedes W176 W246 Backup Battery Negative Minus Terminal Lead A2469069600
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Mercedes-Benz W245 ECU Control Unit Sensor Module Airbag A1698206726
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BMW E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9221110
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BMW F20 F21 F22 F30 F31 F32 F33 F36 Fan Motor Relay 9207913
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Part no. 6947416
BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6947416
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Mercedes W202 C208 Roof Alarm Motion Sensor Cover Trim Grey A2086900028
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Part no. A2108207526
Mercedes W202 W210 Front Left Door Control Module A2108207526
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Part no. 6977679
BMW X5 X6 3 4 Series E70 F15 F16 F30 F31 F32 Cigarette Lighter Socket 6977679
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Mercedes-Benz A B Class W176 W246 Battery Holder Mount Bracket A2466280041
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Mercedes-Benz A B Class W176 W246 Front Left N/S Door Control Unit Module ECU
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Mercedes-Benz A B E M W169 W245 W210 W163 Relay 5-Pin Yellow Hella A0025427419
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Mercedes-Benz SLS ML G C197 W164 W463 Relay Fuse 5-Pin Green Hella A0025427619
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Mercedes-Benz E W207 Cabrio A207 Auxilliary Battery Bracket A2075452540
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Mercedes-Benz CLC CL203 Rear Left Right Door Loudspeaker Speaker A2038204002
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Mercedes-Benz E W211 Radio Aerial Antenna Amplifier Module Unit A2118200089
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Mercedes-Benz C CLK Class W203 W209 Airbag Control Unit Module ECU A0018209726
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Mercedes W163 Air Module System Control Unit Module ECU A1635422918
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BMW E38 E39 Basic Control Unit Module ABS ASC Computer ECU 1164130
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BMW 5 7 Series E39 E38 Saloon Aerial Radio Antenna Diversity Amplifier 8378090
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BMW 3 5 7 Series E34 E36 E38 E39 Relay Control Module Unit White 1729004
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BMW E34 E38 E39 Relay Make Contact Pink 8365326 0332019168
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Mercedes W220 Headlight Head Lamp Control Module Unit A2208203685
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BMW 3 X5 Series E46 E53 3.0d M57 Alternator Belt Tensioner 2354130
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BMW 5 6 Series E60 E61 E63 Passenger Side Door Airbag Control Module 6939712
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Mercedes E-Class W211 Front Door Wiring Loom Harness Rubber Grommet A2118210097
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Mercedes CLS E Class W211 C219 Headlight Level Sensor Wiring Cable A2115406905
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Mercedes W211 S211 Airbag System Control Unit Module ECU
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Mercedes E-Class W211 S211 Front Right Door O/S Window Lifter Motor Regulator
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BMW E46 Control Unit Module Mirror Memory 6916054 61356916054
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BMW E65 Battery B Engine Compartment Terminal Point Cover 8387568
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BMW 3 5 7 X3 X5 Z4 Series E38 E39 E46 E53 E85 E83 Control Unit EWS III
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BMW 3 6 Series E46 E64 Front Right O/S Seat Height Adjustment Drive
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Central Information Display BMW F20 F21 F22 F23 Screen 6,5" 9322122
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BMW 5 6 Series E60 E61 E63 Passenger Door Airbag Control Module 9110846
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Part no. A0009822023
Mercedes W204 W212 W221 Battery Relay Module Unit A0009822023
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Part no. 9115488
IBS Cable BMW E60 Negative Battery Lead Wiring Harness Control Unit 9115488
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BMW E65 E66 Steering Wheel Electronics Control Unit Module 6958039
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BMW 7 Series E65 E66 Rear Bumper PDC Ultrasonic Sensor Black Sapphire 6989130
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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 .