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Berk Technology’s BMW 135i Time Attack Demonstrator
Text and photos by Jeff Naeyaert
When Berk Technology set out to build a time attack car, their intent was not to build some sort of exotic open class killer; it was more to build a rolling test bed for their exhaust products and something that their high performance street customers could relate to. Thus it was decided that their efforts would evolve around building a car to compete in Redline Time Attack’s Rear Wheel Drive Street Class. Street Class is something that Berk’s customer base could identify with and would be a more powerful marketing statement.
An Alpine White 2008 BMW 135i with a 6-speed manual transmission was selected as a base vehicle as a large amount of Berk customers are owners of this car. The One Series’ compact size, relatively light weight and twin-turbo six cylinder engine lend itself well to simple modifications and are easy to build into a competitive car.
The choice of Rotora brakes over the excellent stock Brembo’s is a head scratcher. Berk is in the process of switching to some uber trick Performance Friction brakes soon.
The brake system on any race car is important. The Berk car relies on Rotora six piston calipers and 355mm rotors for stopping. We cannot figure out why the team would remove the stock car’s excellent Brembo six piston OEM calipers for what seems a downgrade but we will be helping them with a set of Performance Friction super brakes which you will see featured here in a few weeks! It should be no problem to match PFC’s claim of .2 seconds a lap or your money back guarantee! The brakes are fitted with Carbotech brake pads using XP10 compound on the front and XP8 compound in the rear. Ti Speed brake pad shims are used to reduce heat transfer into the ATE Blue brake fluid. Agency Power braided steel brake lines are used. Agency Power braided steel brake lines improve pedal feel.
After a 2009 development season and with a new veteran driver Mike Bonanni, the Berk 135i entered the 2010 Redline Time Attack season with a roar securing enough points to just about clinch the 2010 season championship at this time. Below is the cars record in the 2010 season to date.
Buttonwillow – 1st Place – 1:58.839 **New Street Tire RWD Record
Las Vegas Motor Speedway – 2nd Place – 1:49.111
Auto Club Speedway – 2nd Place – 1:51.373
Willow Springs – 3rd Place – 1:30.415
For more information on Agency Power or Brake Lines:
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Agency Power was developed out of the need to provide quality, functional, and fashionable racing products. Agency Power has and indepth number of parts for cars ranging from Porsche, BMW, Ferrari, Subaru, Mitsubishi, Nissan, and more.