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-   -   35d sounds like I have a bov now??? (https://xoutpost.com/bmw-sav-forums/x5-e70-forum/112938-35d-sounds-like-i-have-bov-now.html)

Grunt 02-11-2021 12:09 PM
35d sounds like I have a bov now???
 
I just did a stage1 DUDMD tune on the wife's 2010 35d. Life was great then the maf sensor died. FCPEuro to the rescue and it runs like a champ now.

Although the car is running better and stronger and with better mileage than it ever has, when I shift at higher rpm's in manual mode now, it sounds like I have little blow off valve. The sound is about 25% of what my Tial bov sounds like in my 335 in noise for comparison. I'm guessing there has to be a leak somewhere. Anyone have this before and can give some guidance on where to start looking before I start tearing everything apart this weekend.

Also, I'm getting zero codes on Protool.

Thanks

deepblonde 09-19-2024 02:27 AM
Quote:
Originally Posted by Grunt (Post 1199669)
I just did a stage1 DUDMD tune on the wife's 2010 35d. Life was great then the maf sensor died. FCPEuro to the rescue and it runs like a champ now.

Although the car is running better and stronger and with better mileage than it ever has, when I shift at higher rpm's in manual mode now, it sounds like I have little blow off valve. The sound is about 25% of what my Tial bov sounds like in my 335 in noise for comparison. I'm guessing there has to be a leak somewhere. Anyone have this before and can give some guidance on where to start looking before I start tearing everything apart this weekend.

Also, I'm getting zero codes on Protool.

Thanks
did you find out what the issue was?


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