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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > UK > UK Technical Forum > 335d swirl flaps and EGR



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      06-04-2014, 08:23 AM   #23
DieselRacer
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The diesel gas in the USA is crap, probably why are EGR everything gets CBU so bad. Still an awesome car.
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      06-04-2014, 12:03 PM   #24
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How can I post this thread in the diesel forum. Great info here.
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      06-04-2014, 04:05 PM   #25
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Leaks on my swirl flaps caused my car to drop power because a leaking boost, mine were in a slightly better condition than the ops.

I gained back circa 20 bhp.
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      06-04-2015, 07:12 AM   #26
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Hey mate, great post and good job! I have just done the same process of stripping my manifold out, due to oil leak which i also found to be the flaps.
So after cleaning to manifold, literally till it looks like brand new, i then blanked off all the flaps, exactly the same as you, replacing all the seals at the same time.

The only thing which i never done, which i regret is not blanking off the EGR valve!
Whilst doing thr manifold, i had already taken the egr off, an also gave it a clean, even though it was pretty much clean already.

Would you recommend me to go back to step 1 an blank it off?
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      06-04-2015, 07:28 AM   #27
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If the EGR is blanked off, wont that cause problems with the DPF regeneration?

I want rid of mine (and the EGR thermostat is fkd too) but wasnt wanting to remove it as i didnt want to ruin the DPF.
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      06-04-2015, 09:23 AM   #28
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Quote:
Originally Posted by Aragorn30d View Post
If the EGR is blanked off, wont that cause problems with the DPF regeneration?

I want rid of mine (and the EGR thermostat is fkd too) but wasnt wanting to remove it as i didnt want to ruin the DPF.
I have had my dpf off ans delete
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