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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 > WTF?! Has this happened to anyone?!



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      07-15-2008, 09:15 PM   #1
cstmx_ryder
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WTF?! Has this happened to anyone?!

Here's the shake down......

So I was driving home, doing about 30 mph, about to pass the truck in front of me. Naturally, I signal and while switching lanes, I stepped on her but then......I heard this 'pop' and it sounded like it was my car........

I didn't even get up to 40 before the 'engine malfunction, reduced power' light came on (half engine light).

Tried so step on her but she wouldn't go, seems sluggish (high rev in rpm but not moving as she should) and didn't hear the BOV at all, then I knew something was wrong..........

So I went home and popped the hood, and this is what I saw........

The picture shows the end of the BOV coming off the clamp and connection.........
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      07-15-2008, 09:16 PM   #2
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What is that a picture of?
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      07-15-2008, 09:21 PM   #3
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your BOV popped a seal !?
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      07-15-2008, 09:21 PM   #4
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Quote:
Originally Posted by e90AW335i View Post
What is that a picture of?
My bad......I forgot to mention what we're looking at. It's one end of the BOV and the connection, or lack there of.....
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      07-15-2008, 09:25 PM   #5
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ya. has this happened to anyone?! I KNOW for a fact that the connection was on tight, because I put that BOV in myself.......

I guess I just don't understand how/why it happened?

ANYONE??

Thanks
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      07-15-2008, 09:35 PM   #6
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Welcome to owning a Turbocharged car...

Invest in some T-bolt clamps.
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      07-15-2008, 09:39 PM   #7
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Quote:
Originally Posted by CanadianTSi View Post
Welcome to owning a Turbocharged car...

Invest in some T-bolt clamps.
What does a T-bolt clamp look like? Isn't that it?

It's got a small bolt on the other side and you tighten it by just turning it. It came with the set-up.......
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      07-15-2008, 09:50 PM   #8
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And this is why you dont replace the DVs with a BOV. This car was not designed for a BOV.....

Best of luck taking care of it bud...
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      07-15-2008, 09:57 PM   #9
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I once thought I had the clamps on the forge DV in my A4 on tight enough.. wasn't the case. Hit boost hard and 'POP!' .. heard it bouncing down the street
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      07-15-2008, 10:01 PM   #10
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this happened to me... all i did was just put it back into place and tighten the clamp and haven't had any problems. make sure you clean the oil on the silicone hose or it might pop out again, also you might want to get a catch can looks like there is alot of oil in the pipes.
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      07-15-2008, 10:03 PM   #11
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This has alot to do with oil being in the intake piping....All the amount of tighten will probably not help when there is oil present!!! These cars are just not suitable for a BOV.
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      07-15-2008, 10:07 PM   #12
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i have been using a bov for about six months and have not had any problems after i have tightened the clamp. its not the bov
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      07-15-2008, 10:09 PM   #13
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crappy clamps
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      07-15-2008, 11:40 PM   #14
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T-Bolt clamp:



the clamps you have are NOT t-bolt
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      07-16-2008, 12:41 AM   #15
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It sounds like the blow off valve failed to blow off excess pressure when it needed to...
good thing it wasn't the engine that popped!
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      07-16-2008, 12:53 AM   #16
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you bought a crappy BOV! congrats!
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      07-16-2008, 07:47 AM   #17
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Quote:
Originally Posted by e90AW335i View Post
And this is why you dont replace the DVs with a BOV. This car was not designed for a BOV.....

Best of luck taking care of it bud...

+1
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      07-16-2008, 11:17 AM   #18
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Quote:
Originally Posted by gshb View Post
you bought a crappy BOV! congrats!
Active Autowerke makes CRAPPY BOVs? If they make crappy BOVs, then I don't know who makes good ones...............
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      07-16-2008, 12:51 PM   #19
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Yeah, a BOV made the hose pop off under full throttle acceleration.

Buy some good T-bolt or constant tension clamps. This happens all the time in the world of boosted cars. The BOV had nothing to do with it other than you having to take the stuff apart to put it in.

You might also try a little hairspray on the end of the pipe when you get ready to put it back together. The hairspray works as a lubricant when wet. Then dries to glue to keep the hose on the pipe.
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      07-16-2008, 01:51 PM   #20
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Quote:
Originally Posted by cstmx_ryder View Post
ya. has this happened to anyone?! I KNOW for a fact that the connection was on tight, because I put that BOV in myself.......

I guess I just don't understand how/why it happened?

ANYONE??

Thanks
It probably loosened up after the car was hot. You probably just need to re-tighten the clamp while the car is hot.
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      07-16-2008, 02:40 PM   #21
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Quote:
Originally Posted by hotrod2448 View Post
Yeah, a BOV made the hose pop off under full throttle acceleration....
That's what he "claims" happened.
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      07-16-2008, 03:24 PM   #22
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Quote:
Originally Posted by sambonator View Post
That's what he "claims" happened.
Read it again. At no point does he say the BOV caused the IC piping to come apart. Boost and a crappy clamp is what made it come apart.
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