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Message: <blockquote data-quote="shlim8" data-source="post: 607581" data-attributes="member: 25063">Yes.... regrets... the reason I'm asking is because I'm not on procede or jb4. I'm on cobb tune. And Cobb doesn't have a map for upgraded turbo or meth yet... Was almost on jb4.Was just thinking that if I have to take out the turbo one day, might as well do the whole works... I've had 5 cel warnings so far... 4 on P30FF (stock ecu) - gone after DV change and 1 time on P30FC - which I think is from the DV to chargepipe joint (mechanic went through the entire system down to the exhaust, including testing individual components, so they say, but can't find any leaks, ironically I spotted the loose dv joint myself)... which was temporarily patched using one of the better rubber seals from my old dv (no spare part avail). But the joint is still looser than what I would expect, but seems to be holding out. Waiting to order a ER chargepipe with Forge DV. If the new chargepipe doesn't solve the problem then it can only be the wastegate.Frankly, the entire cold side intake design of the 335i seems to be set up for early failure - there is only one 3-4mm rubber seal holding the pressure between the dv and chargepipe. Locked down by a plastic twist lock. And a rubber elbow between the intercooler pipe and chargepipe that will probably expand even if I blow into it ! Not to mention all the cheap feeling plastics used in the pipes and valve. Arrggg... Yes, I spent too much time in the engine compartment trying to spot potential leaks</blockquote>

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