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Maximum PSI Turbo Kits
The Maximum PSI Stage 1 catted turbo kit is the only street legal, factory DME tuned kit available for the E46 M3
Stage 2 utilizes similar hardware as Stage 1 but incorporates hardware/software upgrades for even more power on MS109 fuel
Stage 3 utilizes the factory DME with a Maximum PSI engine build using forged internals and a larger Precison turbo.
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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A little blue for ed's M Coupe wg recirc pipe
Everyone loves twins!
6300whp of turbo BMW's under the roof today. Not bad for 9 cars!
Mike Radowski shared a photo to Maximum PSI's Timeline.
...just another day at the shop
For sale: V-band S54 turbo manifold and precision 66mm v-band turbine housing machined for TiAL MVS wastegate $800. Only used for testing on the Dyno.