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      04-05-2017, 11:40 AM   #49
spr
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Drives: F80 M3; e92 ESS650+ M3
Join Date: Nov 2008
Location: San Diego

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I'm looking into this again to seek more efficiency after I installed my ice tank and reversed the flow and added a bilge pump. BTW, the smallest RULE bilge grossly outflows the stock ESS pump. My normal driving IAT from OBD port is now 100 with a much quicker drop back. The system went from 1 gallon to 7 gallons.

What is the size of the BOV to the rotoform? 1.25" at BOV and 1" at roto or the other 1" is the EGR? ? I'm thinking about running a very long hose to the front of the car from the BOV to reduce the noise. I may also add a vented puke tank and also block off the EGR. It will be interesting to see how it affects IAT'S I've been logging.

Quote:
Originally Posted by PatrĂ³n View Post
i'm not 100% certain but it could be the bolt & screw adjustments on the Bypass valve BUT since you are getting full boost, i wouldn't mess with anything. the sound is just the bpv doing it's job.



On a similar note. I too disconnected the bypass valve connection to the intake as well as the other vent tube (manifold hoses) to the intake. I believe that it's recirculating hot air back into the intake/blower. I used 1in and 1& 1/4in plumbing end caps (rubber caps with metal clamps) to block off the intake holes. I'm trying to do anything to reduce my intake temps.
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F80 M3 HRE FF04 275/305.

Last edited by spr; 04-05-2017 at 11:48 AM..
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