PSI upgrades 335i to run low 12s
- June 22nd, 2009
- By Seanm
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This 335 customer came to us wanting the max power out of his 4 door saloon.
We installed the following :
Active Autowerke (AA) N54 Processor
AA Front Mount Intercooler
AA Blowoff Valve
AA full exhaust
AR Design Downpipes (prototypes)
Stock Intercooler removed:

Active Autowerke Intercooler:

AA Intercooler installed:

Comparison of stock vs. AA:

With the additional of Air flow, we added the AA exhaust to really gain some power and throaty tone to the exhaust note:


Next was the processor to tie in all of the additional components with the Factory ECU:


To top it all off we added the AA blowoff valve to add throttle response and quickness to the turbo components:

