BMW E65/E66 Suspension Diagnostics
For the BMW 7 Series E65/E66 manufactured between 2001-’08, engineers went with an innovative rear ride control system. The Dynamic Drive system that uses active anti-roll bars to keep the vehicle level was standard on these models. Some of these vehicles have optional Electronic Dampener Control (EDC) that tunes the compression and rebound of the
Compressor Oil for R1234yf
Working on R-1234yf systems is not that different from the R-134a variety.
Engine Bay Covers: Cosmetic or Comedic?
Each year, engine covers seem to get bigger and more difficult to remove.
HV/EV Battery Pack Replacements
It is difficult to say when a battery pack will need to be replaced.
Turbochargers on Minis
No matter if it is a BMW or MINI, when the engine stops turning, the oil flowing to the turbocharger stops.
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
