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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 > (Updated 2.14.15) Strange sound from my new VRSF CP w/C clip



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      02-11-2015, 09:40 AM   #23
Tiago@VRSF
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It's hard to tell but it doesn't looking the tbolt is placed directly after the bead nor does it look straight on the CP side.
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      02-11-2015, 09:50 AM   #24
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Quote:
Originally Posted by Tiago@VRSF View Post
It's hard to tell but it doesn't looking the tbolt is placed directly after the bead nor does it look straight on the CP side.
I'll ask the installer to check them out


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Who did this sell to? Did buyer receive the intake?
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      02-12-2015, 05:26 AM   #25
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Initial datalog, on COBB OTS Stage 2+ FMIC Aggressive

Current datalog, on 3rd revision of PTF eTune


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Can you post a link to you log?
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Who did this sell to? Did buyer receive the intake?
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      02-12-2015, 07:09 AM   #26
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Interesting, with Stage2+ FMIC Aggressive and a few revisions from PTF I am producing about 19-20 pounds of boost peak and it looks like you are at 16. I wonder why that is, or if I am doing too much boost.

Other than that your boost mean ABS and requested boost ABS seem good, which when out of whack sometimes indicate a boost leak.
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'11 335i M-Sport xDrive Coupe [LMB] COBB V3 & PTF Tune | E45 |4in BERK DP | VRSF 5in FMIC | BMS Intake | ER CP | Exotics Tuning CF Lip | CF Diffuser | Eibach Springs | Bilstein Shocks
'07 BMW 335i Coupe & BMW Z4 3.0i - Gone
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      03-08-2015, 12:09 PM   #27
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Finally got rid of the hamster. From the pic above (post 22), I re-adjusted both clamps and the issue is resolved.

Unfortunately I can't say whether it was a clamp that needed tightening or if it was the clamp on the chargepipe side may have been originally fastened partially on the lip.

Beyond getting rid of the squeal, my boost at highway speeds is smoother. After my PTF eTune the acceleration sometimes felt turbulent; when I hit boost from 70mph
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