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BimmerWorld project car updates

What does it really cost to own a 10-year-old BMW?

During the second week of January, we passed the one-year mark since we brought home our 2015 BMW 435i project car. And while we’ve detailed the performance modifications we’ve done, …

Can fitting coil-overs alone improve our BMW 435i's lap times?

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.

How to go fast in the rain? A little local knowledge can help.

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 …

BMW rod bearings: What is the real story here?

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?

[E46-chassis BMW …

Can our E46 M3 run with a new Hyundai Elantra N?

[GRM+ members read this article first. Subscribe and gain access to more exclusive content for only $3/month.]

Building a street car that can theoretically survive a track day is one thing, but what does the data actually say? Does …

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