N54Tech.com - International Turbo Racing Discussion
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guancho34 guancho34 is offline
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Join Date: Feb 2018
Car: 2008 335i e92
Default VTT Hotside Charge Pipe - 07-30-2018, 08:12 AM

Picked up the silicone hotside charge pipe from VTT as part of a package when i replaced the turbos during the winter. After (8) days of racing (I run 18# so nothing crazy), mid-July, it failed catastrophically (meaning a 4" long rip) on the section between the rear and front turbo - DNF.

Reached out for a warranty replacement and was told they do not make a silicone version anymore (mentioned failures) and required $100 to get a set of "discounted" aluminum ones "as the warranty". Unfortunately, not in stock and told "a few weeks" (this past weekends race was a mess being waaaaaaay down on power as the limp patch put together wouldn't hold) - just followed up and told "1-2 more weeks". Not holding my breath.

Wanted to share my story in the event you are on the fence about picking one up...


Track prepared 08 e92 335i: VTT Stage 2+, VTT Inlets / Outlet, cp-e CP, VRSF 7" HD, Forge DV's, D-P's, OCC, DCI, Race BEF, Fuel-it LPFP, JB4, gutted interior with seats / harness' / roll bar, sunroof delete, 3.46 LSD, Spec 3+ w/SMFW, M3 suspension, TC Kline DA Coilovers, 245 square Hoosier's
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mattgu40 mattgu40 is offline
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Car: 2009 E92 n54, 7''fmic, ********, jb4g5 2step relay, bms dci occ chargepipe synapse bov
Default 07-30-2018, 09:50 AM

installation is key for them to least a long time, As far as you can from the exhaust manifold and must not be touching the coolant tank /hose nor chassis.
Heat reflective material strongly suggested

quite hard to trim them right and get in the perfect spot.
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JuniorB JuniorB is offline
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Car: 2007 e60 5 series
Default 07-31-2018, 03:06 PM

They will all fail eventually. That's the worst aftermarket kit offffered for the n54!
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icewall icewall is offline
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Car: BMW 135i
Default 07-31-2018, 04:24 PM

that sucks. had mine on my 1 series since they started making them and so far no issues.

but yeah silicone doesnt make a ton of sense on that side of the engine
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PhilTrill PhilTrill is offline
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Car: 135', E46 M3, E36 M3, S13
Default 08-06-2018, 06:37 AM

I bought one with my inlets a couple years ago, still sitting on my parts shelf. After reading this I think it'll stay there


'08 SGM 135i | '12 C63 AMG | '95 S14 | '93 S13 | '90 S13 | '89 S13 | '80 Spitfire
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LessIsMore LessIsMore is offline
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Car: 2009 535i Sport SAT
Default 08-06-2018, 11:07 AM

VTT is no longer selling silicon outlets at all? thought the alum was just an additional product.

About a year ago, my VTT silicon outlet failed, developed a tear (not from rubbing) - and it was professionally installed by a Vargas certified installer. Reached out to VTT and they sent a 'newer' design, was told the new one was more strongly reinforced (not sure since I never saw them side by side). Installed by same Vargas cert installer locally, and no issues since...


2017 AMG C63 - JB4 - 11.69 @ 127 (dragy)
2009 BMW 535i - 548 whp - sold
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