How well your car performs–and how nicely it drives–can often depend upon your clutch. Here's how to tell if it's time for an upgrade.
Transmission internals are subject to intense stresses. Crack checking and polishing can help ensure that those stresses don’t lead to failures down the road.
We ask various experts in the engine oil industry questions most commonly fielded by automotive enthusiasts.
Want to go 3-4 mph faster down the straights after installing a simple $20 part? BimmerWorld offers that advantage.
Want more power, but don't want to go from straight gas to E85? There's a middle ground. Consider E30.
We ask various experts in the engine oil industry questions most commonly fielded by automotive enthusiasts.
Although this BMW looks like any other E30 racer, this one runs on biodiesel.
After building an engine, the bombardment of questions soon follows. Unfortunately, you might not know the answer to one important question: What is your engine’s compression ratio?
We built (and actually tested) different intake designs.
One of the first things we do whenever we pick up an older car? Go through the fuel system.