Engineered to reach 500+whp and built with durability in mind. Includes refundable $500 core charge.
For vehicles with electronic waste gate (EWG) For vehicles with production date from 07/2013
Brand:
ES#:
3660768
Mfg#:
PURE-N55-0004KT
Ships on Sep 9, 2026
$3114.99
This product was last offered at the strikethrough price on 07-13-2026
Significantly lowers backpressure and exhaust gas temperatures (EGTs), allowing the N55 to maintain a flat power curve all the way to redline—effectively turning the 535i into a 700+ whp powerhouse.
For vehicles with Pneumatic Wastegate (PWG)
The F650 "Super-Hybrid" offers F0X owners a robust, bolt-on solution for achieving high-performance figures without the complexity of a single-turbo top-mount kit.
For vehicles with Pneumatic Wastegate (PWG)
The FrankenTurbo F800 is an "Extreme Hybrid" specifically for N55 owners with the Electronic Wastegate (EWG) who want to break the 550whp barrier.
For vehicles with Electronic Waste Gate
The FrankenTurbo F650 is the definitive "bolt-on" solution for N55 owners looking to surpass the limitations of the factory turbo without the lag associated with a full big-turbo kit.
For vehicles with Electronic Waste Gate