E28 Induction

K & N Air Filters

The K & N Filtercharger is unsurpassed in filtration protection, while maintaining an air flow greater that the OEM paper filter. Constructed of a pleated special cotton fabric with aluminum screen mesh and wide rubber seals, it comes pre-oiled with a one million mile warranty. When dirty, simply clean, re-oil and reinstall.

533i, 535i,iS P/N 1372332005

528e 82-86 P/N 1372332005

528e 87-88 P/N 1372332059

Big Bore Throttle Body

Bore size is enlarged 3mm for a 10% increase in throttle butterfly area. Quicker acceleration and noticeably more torque throughout the midrange and top end. Especially effective when installed along with our high performance computer chip, free flow intake and performance exhaust system. Sold on an exchange basis.

528e P/N 11610321 Core P/N 116159CORE

533i, 535i P/N 11610322 Core P/N 116163CORE

High Flow Intake System

Easy bolt on installation. Just remove the factory air filter box and install the new venturi tube. A special cone shaped K&N Filtercharger is then clamped onto the end of the venturi tube. Nice increase in throttle response, sporty induction sound.

533, 535i, iS P/N 1371KM30

Extrude Honed Intakes

The Extrude Hone process accomplishes porting and polishing throughout the complex BMW M30 and M20 intake manifolds which are inaccessible by hand tools.

ALL 6 Cylinder P/N 13EXTRUDE01

© Korman Autoworks, Inc. 1997, 1998