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BMW 435i News

May 25: Come see us–and our BMW 435i–at the FIRM

This Saturday, May 25, we'll be driving our BMW 435i project car in Florida International Rally and Motorsports Park's in-house time trials series.

More BMW 435i News

BMW 435i project car updates

Why was I slow? Let’s see what the data says.

One time is a fluke, twice is coincidence, and three times is a pattern. I think the quote is originally attributed to Ian Fleming, although I’m most familiar with it …

What being on track can tell you that a dyno won't

Dynamometers are great tuning and research tools, but they do have their limitations. The primary limiting factor of a dyno is that it’s static. It tests power at the wheels …

How an easy transmission flash made our BMW 435i even faster

Once someone cracks the code, more performance is often just the press of a button away.

The MHD Tuning suite that we’ve been using with our

Is the engine in our BMW 435i healthy? What oil analysis can tell us

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 …

How we prepped our BMW 435i to excel on the street and the track

Photography Credit: Tradd Slayton

The dual-duty ethos has always been a guiding force for our BMW 435i project. And, dear reader, know that the struggle is real when it …

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