Anyone want to look over my build before I get started?

GavinMcKay

New Member
Oct 8, 2023
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I'm planning to start a build on my '08 535xi and I just want to make sure I have the best parts. I did tons of research to make sure and these are the parts that I ended up with:

Wagner Performance Intercooler Kit

Injen SP Short Ram Cold Air Intake System

VRSF Racing Downpipes

ER 535i Charge Pipe w/ 2 Meth Injection Bungs
Tial Q BOV (Blue)

Also I already have an MHD tuner



Some of my questions are

1. Will the non-Xdrive parts work for an Xi? Specifically the Charge pipe and Intercooler

2. Are there any other options for the Downpipes? It's not that I necessarly don't want the VRSF ones, it's that I like having options. The hard part is finding ones that fit the x-drive model.

3. I plan to use Meth Injection in the future, which is why I'm getting a downpipe with 2 Bungs. How should I plug those up for the time being?

4. I don't plan on upgrading my turbos. Other than Meth Injection and a Custom Tune, what other engine modifications can I do?


Thank you in advance!
 

RTA

Private
Jun 17, 2020
41
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I actually agree with all the answers.
There is also a lot of info to be found on most of the BMW related forums.

PS: if they tell you about the stickers, trust me, been there, done it, it's not true.
 

KClemente

Sergeant
Nov 26, 2019
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E90 335i
We have an E61 535xi here and as far as I'm aware, the best downpipe to buy would be that vrsf one with the literal chopped bend :laughing: In regards to question 3, I assume you meant chargepipe with 2 bungs.

Answer to that is that 99% of chargepipes out there already come with 1/8 npt plugs installed.

If you're gonna use methanol as a fuel additive, it's highly recommended to go port meth as cyl 1 and 6 will get an uneven distribution with charge pipe injection. Unless you route the bungs all the way down by the intercooler.
 

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