A carbon fiber-bodied BMW Z4 coupe from TC Kline | #FastFriday

Colin
By Colin Wood
May 2, 2025 | UTCC, #FastFriday, Ultimate Track Car Challenge, Tire Rack

Love carbon fiber? You’re going to enjoy this BMW Z4 coupe entered into our Tire Rack Ultimate Track Car Challenge Presented by Grassroots Motorsports, our annual search for the fastest track car on four wheels.

As driver TC Kline–owner of TC Kline Racing–explains, every body panel on the BMW, including the roof and inner fenders, is constructed out of carbon fiber.

Total weight, including the driver? Just 2550 pounds, compared to the 3000+ pound curb weight of the road-going hardtop Z4s.

A torquey N55 motivates the car, which also sports TC Kline double-adjustable coil-overs, Hoosier R7 tires and a track widened by some 4 inches over stock.

What's eligible to compete in our Ultimate Track Car Challenge? All cars–and their drivers–must pass a safety inspection, that's all. If you can do that, enter your car today.

The UTCC will once again be held in conjunction with the SCCA Time Trials Nationals, this year on September 18-21, at a new location, the Pittsburgh International Race Complex, aka Pitt Race.

The Tire Rack Ultimate Track Car Challenge is presented by Grassroots Motorsports and fueled by Sunoco, in association with Wilwood, Vitour TireCRC IndustriesXS PowerAMT MotorsportVbox Motorsport and Red Line Oil, with trophies from CalltoGridBimmerWorldFalken TireMiller ElectricVorshlag and Hoosier Tire.

Join Free Join our community to easily find more UTCC, #FastFriday, Ultimate Track Car Challenge and Tire Rack news.
Comments
David S. Wallens
David S. Wallens Editorial Director
5/2/25 11:39 a.m.

I want to say we might have had one of these in our lot during the Rolex Experience. 

JG Pasterjak
JG Pasterjak Tech Editor & Production Manager
5/2/25 1:06 p.m.

N55 buddies!

Haven't seen TC in a minute. It'll be cool having him at the show.

David S. Wallens
David S. Wallens Editorial Director
5/2/25 4:24 p.m.

In reply to JG Pasterjak :

It’ll be very cool. 

admc58
admc58 Reader
5/2/25 7:22 p.m.

TC's Carbon Coupe at Solo II Nationals, Alan McCrispin driving

admc58
admc58 Reader
5/2/25 7:23 p.m.

I got to drive TC's Carbon Coupe at Nationals. 

You'll need to log in to post.

Our Preferred Partners
U77U6eWNDMELoYyEgHqQFOG9r3RkTAqK1nLebdfYcMPPpjxQdfcc6izJbLkAEDCQ