Our BMW 435i finished on the podium at last fall’s Tire Rack SCCA Time Trials Nationals, but that didn’t stop us from making more improvements.
The recovery drivers went out plenty. They pulled something like a baker’s dozen from the grass, mud, tires and Armco surrounding VIR. Any mistake in the rain could quickly turn …
What’s one thing S54 owners worry about? That’s right, rod bearings: Are they good or are they about to fail and wipe out the entire engine?
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Building a street car that can theoretically survive a track day is one thing, but what does the data actually say? Does …
Like many components on modern BMWs, the N55 3.0-liter found in our 435i is known as a robust unit–except for its occasionally fatal flaws.
In the case of …
