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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 Single turbo test drive  If your E46 is making noise in the rear, don't keep driving it until this happens!
 Thanks to Jonathan@ Thayer Motorsports for a one day turnaround 4 clutch diff! Contact us for pricing for diff upgrades.  My E46's roll cage kit just arrived!

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  • We added a news page to our revised web site to post updates, event results, and pertinent info!
    https://maximumpsi.com/news/

    Winter update – 2.22.15 by mike. Posted on February 22, 2015 THE GOOD: We have been busy cranking out turbo BMW’s. We have over 35 E46 M3 kits out there, and we are currently assembling and finalizing two Stage 4 cars at the shop, along with our first S54 Z3 kit. A stage 3 car is down at Technique T…

    February 27

  • Single turbo test drive

    February 27

  • Thanks to Jonathan@ Thayer Motorsports for a one day turnaround 4 clutch diff! Contact us for pricing for diff upgrades.

    February 26

  • If your E46 is making noise in the rear, don't keep driving it until this happens!

    February 23

  • http://www.bimmerforums.com/forum/showthread.php?2147955-750-WHP-Turbo-Kit-Full-Exhaust-and-Full-Fuel-System-For-Sale

    Real nice E36 Turbo hardware package for sale!

    Price Drop!! As some of you are aware, I have parted my car out. I am down to a few remaining items. 1) Full Bolt on CES - Maximum Psi - Technique Tuning Turbo Kit - Stage 4 - $4,500 10,000 Miles on the kit Precision 6765 DBB Turbo with Open .96 AR T4 Exhaust Housing Steedspeed T4 Manifold 44MM Tial…

    February 23