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Official BMW 1-series performance catalog leaks out
Click above for a gallery of pics.

The numero-uno forum for all things 1-series got a hold of BMW's brochure for its upcoming line of performance parts, and as suspected, much of the kit originally seen on the tii concept will be available through authorized BMW dealers.

The photos we posted last week of the modified 1-series show the same car displayed in the brochure. Unfortunately, the text is in German, but Google's translation software is here to help.

Aside from some aerodynamic body panels that are visible in the pictures, well-to-do customizers can upgrade the front brakes of their 1-series with six-piston yellow calipers squeezing 325mm drilled and slotted rotors, while two-piston calipers in the rear grab onto 320mm rotors. Three different wheel choices frame those new yellow binders, ranging from 18x7.5-inches all the way up to 19x9 inch rollers, while a new dampers, springs, stabilizer and strut tower bars are available to keep things planted at all four corners.

While we don't see an optional ECU upgrade mentioned in the brochure, BMW will be offering a new intake setup and a full exhaust to ease breathing duties, and a new short shifter supposedly reduces throws by 25-percent over its stock counterpart.

Inside, there's plenty of carbon fiber, aluminum and Alcantara accoutrements that can be applied throughout the interior, and those sports seats we've been drooling over will be available as well. The big question, however, is what's going on with the steering wheel. At the 12 o'clock position is an LCD screen that can be controlled via the two buttons flanking its sides. The display can act as a stopwatch, able to keep track of 10 different laps down to 1/100 of a second, and can record 1/8- and 1/4-mile times, saving them for later viewing, along with keeping tabs on the engine temp, positive, negative and lateral g's.

You can check out some of the pics in the gallery below.

Top tip Jack!

Gallery: BMW 1-series performance parts catalog

(Via Autoblog.)