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      12-10-2012, 04:04 PM   #13
Drives: '08 E90 335i
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Location: Northern NJ

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2008 BMW 335i  [3.75]
Originally Posted by 335ixdrive2009 View Post
My friend who ran catless dps on his 135 with 20k miles and broke a turbo. Do they not cause damage?
1st, smack your friend

2nd, he was prob running an overly aggressive setting or just had a bad turbo. Catless DPs yield the 2nd most HP-gains with bolt on parts (after a tune) and help the turbos breath a lot better (so they're actually less stressful then the OEM catted DPs)
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