Maximum PSI Turbo Kits

Stage 1

stage2
The Maximum PSI Stage 1 catted turbo kit is the only street legal, factory DME tuned kit available for the E46 M3

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Stage 2


Stage 2 utilizes similar hardware as Stage 1 but incorporates hardware/software upgrades for even more power on MS109 fuel

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Stage 3

stage3
Stage 3 utilizes the factory DME with a Maximum PSI engine build using forged internals and a larger Precison turbo.

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Stage 4

stage4
Stage 4 upgrades numerous components from Stage 3.  S4 allows you to do a burnout from corner exit to corner entry.

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 Got our fuel system set up for some  with a bunch of fuel-it parts. Let us put together a complete software and hardware package to meet your goals! Email sales@maximumpsi.com #bimmerclinic #maximumpsi #bmwspecialists  S55, S85, and S65 all going together this week. Couple turbo S54's on deck as well. We had a great day at mpact hanging out with our customers and watching all of our turbo cars and built motors out there having a blast. #maximumpsi #bimmerclinic #bmwspecialists
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