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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Downpipes and Gaskets?



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      07-07-2014, 07:54 AM   #1
Glopez5
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Downpipes and Gaskets?

So i did my downpipes few weeks ago and decided to try and use stock gaskets. why, because they looked in good shape

Since i'm going to replace the gaskets does it matter which ones I go with? I was considering the BMS Gaskets and bolts kit.


Also, when looking up a diagram I see that BMW puts a stock gasket between the downpipes and the turbos see below Part #3. Wondering if anyone put one of these between theirs? I've never seen this brought up before.

Part #3
preconverter gasket SEDAN, WAGON, 3.0 LITER W/BI TURBO, front

Another link of what it looks like:
http://www.ecstuning.com/ES2530479/
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      07-07-2014, 08:06 AM   #2
335scott
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I did my DP's about a month ago and went with BMS's gasket kit. They have worked great and I haven't had any leaks. As far as the end that connects w/ turbos, i don't remeber seeing any gaskets there. There is a V-band clamp w/ rubber inside of that. I did not replace the v-band clamp, they can be re-used
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      07-07-2014, 08:21 AM   #3
Mike@N54Tuning.com
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Quote:
Originally Posted by 335scott View Post
I did my DP's about a month ago and went with BMS's gasket kit. They have worked great and I haven't had any leaks. As far as the end that connects w/ turbos, i don't remeber seeing any gaskets there. There is a V-band clamp w/ rubber inside of that. I did not replace the v-band clamp, they can be re-used
+1

V-band is re-used and gaskets go on the exhaust side. New gaskets should be used EVERY time.

Mike
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      07-07-2014, 09:37 AM   #4
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just placed my order for some BMS ones, I'm sure I wont get them in until next week so i'll try and take some comparison pictures.
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