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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 > how long on bad turbo seals



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      09-07-2012, 05:59 PM   #1
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how long on bad turbo seals

my 07 i went about 1500 miles before replacing held boost the whole time and smokey as hell was about 17lbs, my 08 just started smoking and will have new turbos on by sep 22, but im sitting at 19.5lbs


how long has everyone gone on smoking, bad seals on stockers and how hard were you running them

also any way to temporarily cut down on the smoke
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      09-07-2012, 06:09 PM   #2
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My old 335i began to smoke at 40k miles, I got rid of the smoke by going back to OEM cats. At that time I was beta testing Procede and JB3, boosting 18-19psi.
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      09-07-2012, 06:16 PM   #3
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Quote:
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My old 335i began to smoke at 40k miles, I got rid of the smoke by going back to OEM cats. At that time I was beta testing Procede and JB3, boosting 18-19psi.
how long did you push them at that psi, i will probably only drive about 4-500 miles before i get my new ones on but, if i can leave the boost up and just deal with the smoke til then it be great
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      09-07-2012, 06:17 PM   #4
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7k on smoky's @ 19psi....still pulling hard !!!
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      09-07-2012, 06:23 PM   #5
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Mine have been smokey for over 20k miles now. I just hit 111,000, tuned @ 15psi since 3000. These turbos last a LONG time if taken care of properly...

Single is going on next weekend so anyone looking for some stockers lmk.
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      09-07-2012, 06:26 PM   #6
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word, i can still go to the track on weds...lol
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      09-07-2012, 06:54 PM   #7
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word, i can still go to the track on weds...lol
you should be fine, i am running cobb stg2+ prob 5k miles just keeps smoking haha
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      09-27-2012, 01:45 PM   #8
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Mine smoked as soon as I went kittyless, who knows how long it was smoking prior with the OEM cats just catching everything. I welded in HFCs in my midpipe and the smoking stopped...that was 2k ago.

S'all good though, RB snails are goin in
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      09-27-2012, 02:11 PM   #9
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I have been smoking on catless since day 1. Usually in fall/winter you will see it most. I have used lucas engine fix in very small ammounts with an oil change to reduce smoke. Don't use too much b/c its thick and will pool in the turbo lines. Turbos begin to moan when its cold till car reaches op temp. so pick your poisen... smokey exhaust vs moaning turbos. 103k 18psi since 23k tuned by BMS.
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      09-27-2012, 03:46 PM   #10
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my cure for smokey turbos...



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      09-27-2012, 04:13 PM   #11
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Just check your oil level every now and then if your turbo's are buring oil. The smell is terrible.
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      09-27-2012, 04:20 PM   #12
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Quote:
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Forgive my lack of perception, but what are we looking at that will address the smoking problem?

Thanks.

Neil
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      09-27-2012, 05:42 PM   #13
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25k km after gone completely catless. I was running 15 psi but after meth 19 psi overboost and some 17-18 psi constant. Car still smokes on idle but only from the rear turbo (independent exhaust tubes for each turbo, left exhaust smoking only).

Imageautodetail posted probably his new RB turbos
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      09-28-2012, 04:40 AM   #14
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Quote:
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Forgive my lack of perception, but what are we looking at that will address the smoking problem?

Thanks.

Neil
solution would be replacing over worked oem turbos with new asr gen 2 w/o cooled turbos
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      09-28-2012, 08:04 AM   #15
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Quote:
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solution would be replacing over worked oem turbos with new asr gen 2 w/o cooled turbos
How does the oil drain line on the ASRs compare to that on the RBs?

Neil
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      09-28-2012, 08:44 AM   #16
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Quote:
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How does the oil drain line on the ASRs compare to that on the RBs?

Neil
dont have any knowledge of rbs to compare to
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