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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Boost Leak?



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      04-19-2019, 01:02 PM   #1
Chris1337
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Boost Leak?

https://datazap.me/u/chris1337/e50-w...&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
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      04-19-2019, 04:00 PM   #2
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Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...og=0&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
yes def looks like you have a leak.
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      04-19-2019, 05:55 PM   #3
Chris1337
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Quote:
Originally Posted by Pladi View Post
Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
yes def looks like you have a leak.
I mean I'm leaking half my psi, I feel like I would hear it. you think it could be the boost solenoid or diverter valve?
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      04-19-2019, 08:43 PM   #4
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Originally Posted by Chris1337 View Post
I mean I'm leaking half my psi, I feel like I would hear it. you think it could be the boost solenoid or diverter valve?
its very hard to say
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      04-22-2019, 07:10 AM   #5
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Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...og=0&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
I agree car definitely has a leak. Smoke test it, Or do like i did and take all pipes off (Piping to intercooler), Replace/Check Westgate vacuum line. Hope this helps. Boost leaks are the absolute worst.
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      04-22-2019, 11:36 AM   #6
Chris1337
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Quote:
Originally Posted by DiFFv1 View Post
Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
I agree car definitely has a leak. Smoke test it, Or do like i did and take all pipes off (Piping to intercooler), Replace/Check Westgate vacuum line. Hope this helps. Boost leaks are the absolute worst.
did a smoke test, tiny bit of smoke coming from turbo area. Going to check it out soon
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      04-22-2019, 03:30 PM   #7
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Quote:
Originally Posted by Chris1337 View Post
did a smoke test, tiny bit of smoke coming from turbo area. Going to check it out soon
Check turbo outlet pipe for a crack
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      06-17-2019, 11:11 AM   #8
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Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...og=0&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
Let us know what was the fix im having same issue i have a appointment this wed.
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      06-17-2019, 07:25 PM   #9
Chris1337
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Quote:
Originally Posted by xavier1228 View Post
Quote:
Originally Posted by Chris1337 View Post
https://datazap.me/u/chris1337/e50-w...&data=4-19

wot in 3rd gear. normally makes like 21 psi. getting a tune for full e85 currently. any ideas? no codes
Let us know what was the fix im having same issue i have a appointment this wed.
Boost solenoid, no codes with mhd just little boost
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