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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Boost Gauge On Rides with Tuning Boxes



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      09-05-2012, 09:31 AM   #1
blumango
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Boost Gauge On Rides with Tuning Boxes

Hi,

Does anyone here have problems reading boost via an OBD boost gauge on N55 E92 with a tuning box such as Vishnu installed?
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      09-07-2012, 01:20 PM   #2
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Quote:
Originally Posted by blumango View Post
Hi,

Does anyone here have problems reading boost via an OBD boost gauge on N55 E92 with a tuning box such as Vishnu installed?

mine is a N54 with v5, obd wifi, iphone dashcommand and the highest it can read is 2.9psi
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      09-07-2012, 02:50 PM   #3
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Hard enough reading boost on my oil temp gauge.
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      09-07-2012, 04:49 PM   #4
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Keep in mind boost read via obd will always be DME perceived boost when using a piggyback (Procede, JB4)

I use my p3 gauge using one of its analog input to tap on the MAP sensor (before the Procede) which gives the real boost to my gauge.
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      09-10-2012, 09:07 PM   #5
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Alright.

Thanks so much for all your inputs. Looks like analog is the way to go...
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      09-10-2012, 09:20 PM   #6
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Quote:
Originally Posted by mashimarho View Post
Hard enough reading boost on my oil temp gauge.
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