BMW’s quest to make vehicles stronger, lighter and more fuel efficient is never ending. In order to achieve these goals, new ways of thinking and new materials are necessary. That translates into new repair procedures.
When diagnosing all-aluminum vehicle suspensions, technicians must consider the other components that may may be affected by the bushing installation process, or, based on the age of the replaced bushings, are likely to also need replacement soon.
In the first year of the new millennium, BMW introduced a new air suspension on its X-Series vehicles. This compensates for load by controlling the ride height of either the rear axle, or all four wheels in later versions. But what do we do when they stop working?
OBD II has spoiled us. When we were kids, we had to find misfires BY OURSELVES! Now drivers have a blinking Malfunction Indicator Lamp and diagnostic trouble codes telling us which cylinder is in trouble. You would think that would make our job easier, but we still need to find the cause.