BMW 3-Series (E90 E92) Forum - View Single Post - Vishnu Tech: Effects of Altitude on NA, SC and Turbo

MilehighM3 · 09-20-2012, 07:39 AM

Above 4k feet in elevation, the car adds 1 psi of boost for every 1k feet. Up to 8k feet. The car isn't targeting a certain boost level, it's just trying to maintain a similar response and feel of being at lower elevations.

09-20-2012, 07:39 AM	#24
MilehighM3 Brigadier General 915 Rep 3,456 Posts Drives: Harrop E90 M3 Join Date: May 2011 Location: Colorado Springs iTrader: (14) Garage List 2009 E90 M3 [6.50]	Above 4k feet in elevation, the car adds 1 psi of boost for every 1k feet. Up to 8k feet. The car isn't targeting a certain boost level, it's just trying to maintain a similar response and feel of being at lower elevations.
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