F82 M4 GTMore
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F82 M4 GTMore


BMW competes in international racing with the F82 M4 in the GT4 class (and soon to be in the GT3 class). We were among the first US teams to receive the GT4 and promptly put it on the podium. As a Customer Car from BMW Motorsport it's an outstanding machine. But in motorsport with multiple types of cars there are compromises to level the playing field for everyone (aka Balance of Performance). In the case of the M4 GT4 that handicap comes mainly in the form of a power restriction. There are five allowed power levels for the M4 when it competes in GT4 trim. When allowed, the highest level is about the same as a stock M4 GTS - 500hp. Looks can be deceiving but our racy GT4 is often slower in a straight line than our tuned street cars. The Porsches have to keep up somehow.

So that led to the question, "What can a GT4 do if it was un-leashed? How much faster can we make a street M4 than our GT4 race car?"

The Car

Our subject is a 2015 F82 M4 in Mineral Grey with DCT and Carbon-Ceramic Brakes (more on those later). The car was completely stock when we received it and had covered just 53,000 miles. First stop was the workshop where it got a complete fluid change to Red Line Oil and then onto the dyno (421whp, 415wft-lbs).

M4 Racing Steering Wheel Upgrade - KMP Corsa Wheel

Speed comes from within.

It feels like we have just as many hours from the seat of a race car as we do in our everyday street cars. That's why a racing steering wheel was the first upgrade we did on GTMore. Replacing the "school bus" sized factory wheel for this special OMP Corsa wheel is a big improvement not just in feel but in setting the tone for this build.

And this is not just any race wheel because you can't bolt on a universal wheel to an F8X car and expect everything to work. The electronics are much too sophisticated for that. The engineers and craftsmen at KMP Drivetrain in The Netherlands have reverse-engineered the factory electronics, clock spring, and hub to provide a bolt-on race wheel for F8X as well as other modern BMWs. Some minor wiring may be required but the beauty of this wheel is that it retains the critical functions of the factory wheel and is customizable for others as well. We had ours built to retain the M1 and M2 mode buttons, horn, and traction control settings. KMP supplies the correct plugs and wiring to make it all work.

Normally we would not recommend removing your air bag without first having proper 4 or 6-point harnesses, a proper seat, and a rollbar. But all of those things are just around the corner. Adding this wheel first puts the focus on the task at hand - speed. Because racecar.

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GTMore Parts:

New-to-You Fluid Service Package - F87 M2 Competition, F80 M3, F82 M4

Complete fluid service kit for your new Used Car

Price: $175.33

View Product

KMP Racing Steering Wheel - F8X M3/M4 DCT

Track-focused wheel and adapter for dedicated track cars.

Price: $2,009.99 – $2,219.99

View Product
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