Andrew Markel
Turbochargers on Minis

No matter if it is a BMW or MINI, when the engine stops turning, the oil flowing to the turbocharger stops.

ADAS Calibration

Accuracy is important for sophisticated ADAS systems.

How Extended Interval Oil Filters Have Been Improved

Over time, the oil filter can collect enough contaminants to become restricted. Here’s why new filters are better.

Audi E-Tron Brake Jobs

With these vehicles, the major aggravation for shops is brake noise.

AC Condensers

The characteristics that make the parallel-flow condenser so efficient are among its major drawbacks as well.

Lifter Deactivation

The area of contact between the lifters and cam lobes is the highest loaded surface inside an engine.

Catalytic Converter Theft Update

Converters are still being stolen at record rates.

Brake Hardware

Specific hardware does not do its job if it is left in the box.

Condition-Based Oil Calculations: BMW, VW and Mercedes

Maintenance reminders for oil changes have been around since the early 1980s. Early systems looked at mileage and maybe revolutions of the engine. Mileage-based systems estimate the life of the oil based on a preset mileage recommendation that can range from 5,000 to 7,500 miles. It can be an effective reminder for some owners, but

Transmission Fluid Hydraulics

You need to know how transmission fluid flows inside an automatic transmission.

Battery Charging and Diagnostics

Here are six tips to use when diagnosing a vehicle with a dead battery. 

Volkswagen Alignment: 2006-2011 Jetta & Golf (A5)

Most entry-level VW models featured the same basic suspension used from the advent of the original VW Rabbit. About the only change was going from a rear strut suspension to a separate coil spring and shock absorber in the rear. Used for all models of the Golf, Jetta, New Beetle and the Audi TT, this