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Originally Posted by denverlicious
Well i currently have an evo pretty much done everything i can without upgrading the turbo. I just want to know if the 335i is going to be roughly the same upgrade path? ive never had experience with a twin turbo setup but i'd assume its fairly similar to a single turbo. anyways just a couple Q's that are pretty basic for turbo'ed cars.
-what is the stock exhaust size ex: 2.75" 3"?
-Is the BOV recirculating or VTA?
-is the stock suspension decent and are there coilovers out yet?
-Will the intercooler need to be upgraded?
-what PSI is the stock turbo running at?
as i said pretty basic. just want to know what im getting myself into.
thanks guys!
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I'll try to answer your question's........but you'll get most of them answered by reading shiv's threads.
Stock exhaust is 2.25
Stock turbo is running at 3-5 psi from 1000-4500 rpm and them 8.5 above 5k (i think)
Shiv has a modified piggyback (xede) with 2.5 catback putting down 333 RWP and 360 RWT. I think he upped the psi to 8-9 throughout the rpm range and up to 10-11 above 5500 rpm (?) Shiv says at the power levels he's running the stock intercooler is fine.
I don't know anything about suspension but I do know the e92 is running track times identical to current M3 (or with split seconds) so it must be pretty good.
I don't even know how bov's work so I'm sure someone else will go over that.
Hope this helps!