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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BMW E46 E64 Headlight Control Level Sensor Bracket 1 8268997
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BMW E64 E85 Sensor B Pillar Air Module Right O/S 6940300
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MINI Cooper R50 W10 116HP Engine ECU Kit DME EWS Key 7545789 Automatic
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TV Tuner Mercedes ML W164 W211 CLS C219 Video Control Unit Module A2118704390
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BMW F20 118i F30 318i LCI B38 136HP Engine Control Unit ECU DME 8678863 Manual
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BMW E90 E91 LCI 320d N47N 184HP ECU Kit DDE 8506566 CAS3 + Key Automatic
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Radio Head Unit Mercedes C219 W211 CD Player Audio Navi A2118704789
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Air Module BMW X5 F15 X6 F16 ECU ICM Control Unit 6868257
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BMW X5 F15 High Voltage Battery B+ Cable Wiring Harness 8618443
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Mercedes W639 109 CDI OM646.980 95HP Engine Control Unit ECU A6461501177
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Mercedes W213 Door Module Front Left N/S Control Unit A2139004009
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Mercedes W205 Navigation 2015/2016 Update SD Card Road Map Europe A2139060303
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Mini F55 F56 Roof Antenna AM FM GPS TEL 8782591 65208782591
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BMW 5 Series E60 E61 Front Door Wiring Loom Harness Passengers Side 6966549
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BMW Disc High Navigation DVD 2009-2 Road Map Europe T1000-14848
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711539179 Key Lock
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Sliding Roof Module BMW E61 E63 Lifting Sunroof Panoramic Control Unit 9129019
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Citroen Berlingo B9 1.6 HDI 9HT Engine Control Unit ECU EDC 9664843780 Manual
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Mini Cooper D F55 F56 B37 1.5 116HP Engine Control Unit ECU DME 8470176 Manual
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BMW E91 LCI Footwell Light Control Unit Module LED Basis FRM3R PL2 9240530
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Mercedes W164 W649 W906 Bluetooth Hands Free Mobile Phone Adapter A2158200611
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BMW E82 E88 E90 E91 E92 125i 325i N52N 218HP ECU Kit DME 8613000 CAS3 Key Manual
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BMW E81 E87 E90 E91 LCI E92 E93 CD Radio Business Unit 9249404
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BMW Mini Cooper R56 Footwell Light Module High EKS ECU LEAR PL3 FRM3R 3457428
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Mercedes CL203 CL350 M272.960 Engine Unit ECU Module A2721533291 Automatic
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High Voltage Inverter BMW i3 I01 Hybrid 60Ah Rex Electrical Machine Electronics
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Audi A3 8P Symphony Multimedia Stereo CD Player Radio Head Unit 8P0057195GX
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BMW F13 ECU Body Control Module Junction Box V2 PL6 JBBFE III 9286941
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Light Module Mini R57 LCI Cooper One Footwell Low EKS ECU PL3 FRM3R 3456587
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Peugeot Boxer III Citroen Relay III Fuse Box Control Unit Module 1398644080
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BMW F20 F21 F30 116d 316d Diesel N47N Engine ECU DDE 8574095 Key Lock FEM Manual
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Ford Transit Custom Air Module Control Unit ECU GK2T-14B321-AC
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Door Wiring BMW i3 I01 LCI Passenger Door Cable Harness Wiring Loom 8806972
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BMW X5 E70 Footwell ECU Light Control Unit Module FRM II Lear 9170454
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BMW F20 LCI 118i B38 136HP Petrol Engine Control Unit ECU DME 8691825 Manual
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PDC Wiring BMW X3 G01 LCI X3M F97 LCI Rear Bumper Parking PDC Harness 5A209C3
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Mercedes W209 M272.940 CLK280 231HP Engine Module ECU Kit A2721531291 Key
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Audi RS6 C7 Display Screen Radio Multimedia Navigation Sat 4G2919601P
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Mercedes Vito W447 Front Passenger Side Fuse Box Control Unit Module A4475407880
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Audi RSQ3 F3 Boot Trunk Subwoofer Rear Bass Speaker 83A035382A
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BMW F22 F32 X4M G02 F98 CD Player Radio Audio Sat Nav Navigation 9824985
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SRS Module Mercedes W177 Safety Belt Tensioner Airbag Control A1779006003
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BMW F23 Cabrio Convertible Folding Top Module CVM 8 Unit 9378072
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Audi S3 8P Audio Sound System Amplifier Bose 8P3035223
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Dashboard Sat Navigation Audi A3 S3 8V Unit System 8V0035020B
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BMW 5 7 Series E60 E65 Front Seat Transmission Bracket Arm 7068054
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Lane Assist Module Audi A3 S3 RS3 8V Blindspot Control Unit Left N/S 3Q0907590D
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Audi A4 B8 Blind Spot Radar Sensor Control Module Rear Right O/S 8T0907566B
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Mercedes W176 A180 CDI OM607 Engine Unit Module ECU A6079002200 Automatic
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Citroen Relay Peugeot Boxer III Iveco Daily Relay MOPAR 12V 30A 702500
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BMW F15 High Voltage Accumulator Cable Wiring Harness Positive 8618448
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Mercedes W213 Front Door Wiring Harness Keyless Driver's Side A2135409130
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Mercedes W245 B200 CDI Blue Efficiency OM651.901 Engine Unit ECU A6519009402
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Audi A4 B9 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595G
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BMW 1 3 Series E87 E90 Petrol N52 Wiring Loom Harness Engine Gearbox Automatic
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Mini Cooper One R57 High PL3 SPEG DC/DC H5 Fuse Distribution Box 3456858
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Power Distributor BMW X3 G01 LCI X4 G02 LCI Rear Distribution Box B+ 5A693E4
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Part no. 8486839
BMW F20 LCI 118i B38 136HP Engine ECU Kit DME 8486839 + FEM + Key Automatic
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Volkswagen Golf 8 1.5 eTSI Engine DFYA Voltage Converter Module 5WA959663A
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BMW X3 E83 2.5i Engine M54 192HP ECU Kit DME 7548769 EWS3 + Key Automatic
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Volkswagen VW Passat B6 Door Harness Loom Cable Wiring Rear Left N/S 3C4971693KJ
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Audi A6 C5 6 Disc CD Changer Control Unit Module Player With Magazine 4B0035111B
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Mercedes W906 313 CDI OM651.957 129HP Engine ECU Unit Module A6519002600 Manual
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BMW E87 E90 118d 318d M47N2 ECU Kit Engine Control Unit DDE 7808124 CAS2 Key
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Mercedes W906 313 CDI OM651.955 Diesel Engine ECU Kit A6519000601 Key Lock
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Audi A4 B8 Dashboard Reader Navi MMI DVD CD Player Head Unit 8R2035678
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Mercedes R171 SLK 200 163HP M271.944 Kompressor Engine ECU A2711539779 Automatic
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BMW 3 F30 Hybrid 330e B48X Positive Battery Lead Cable Starterunit 9387151
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BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Key
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BMW 3 Series E92 E93 Diesel 330d M57N2 231HP ECU Kit DDE 7805585 + CAS3 + Key
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Part no. 8587952-2
BMW F20 F30 F32 LCI 120d 320d 420d B47 ECU Engine Unit DDE 8587952 Automatic
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BMW E60 525i M54 192HP Engine Control ECU Kit DME 7541335 CAS2 Key Automatic
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Audi A3 8V Rear Blind Spot FAS Lane Assistance Control Unit 3Q0907566D
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Audi A4 B8 Blind Spot Radar Sensor Control Module Rear Left N/S 8T0907568B
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Ford Transit Mk7 V Negative Battery Terminal Cable Wiring F1FT10C679BA
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BMW 1 3 4 Series F20 F21 F30 F31 F32 Power Distribution Fuse Box Rear
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Volkswagen VW Passat B7 Module BCM Body Control Unit Module ECU 3AA937087Q
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BMW F32 F33 F82 F83 M4 Door Wiring Front Harness Loom Cable 9337233
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BMW i3 I01 LCI Door Wiring Cable Loom Harness Rear Left Right N/O/S 8806980
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Volkswagen Golf 5 1.9 TDI 105HP BKC Engine Control Unit ECU Manual 03G906016B
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Headlight Module Mercedes ML W166 W246 C292 LED Front Right O/S 1305715307
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Mercedes-Benz W163 OM612 270 CDI Engine Wiring Harness Loom Cable A1635404032
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Audi A3 8P Power Steering Rack Wiring Harness Loom Cable 1K2971111D
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BMW E39 E46 M52 Engine Automatic Gearbox Basic Control Unit Module EGS 1423642
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BMW F06 Gran Coupe Footwell Light Module Control Unit ECU FRM III 9345377
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Audi Q5 FY Top Sunroof Opener Control Module Unit ECU 4M0907594
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Part no. 7810000-1
BMW E81 E87 LCI E90 E91 120d 320d Diesel N47 ECU Kit DDE 7810000 CAS3 + 2 Keys
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Part no. DRIVETEC-AGM-92AH
DriveTec AGM Start-Stop 12V Accumulator Battery 92Ah 850A DA019
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Ford Transit Connect Mk2 II Radio Player Stereo Head Unit KT1T18D815DD
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BMW F01 F02 730Ld N57 245HP Engine Control ECU DDE Kit 8508169 Automatic
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FEM Module BMW F20 F22 F30 F32 ECU Control Unit Fuse Box 9352861
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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 .