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BMW 3-Series (E90 E92) Forum
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Meth on stock DP's
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05-02-2013, 11:07 AM | #1 |
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Meth on stock DP's
I've been informed that power gains are lost from meth injection in this instance.
I still want to benefit from the protective and cooling aspects of meth, but taking this power issue into consideration. current mods : JB4, BMS DCI, AR FMIC, Oil catch can worth the purchase? please chime in!! anyone Last edited by sherif0203; 05-02-2013 at 11:28 AM.. |
05-02-2013, 11:13 AM | #2 | |
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I added 50-60WHP just adding meth alone on stock downpipes. (Tuning required of course). With having an FMIC already you should see a good 30-40WHP. |
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05-02-2013, 11:23 AM | #4 |
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05-02-2013, 11:26 AM | #5 | |
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The logic was that the extra air needed somewhere to escape and stock DP's are limiting, creating a risk of increased back pressure on the turbos. So you saw 50-60 WHP on just tune and FMIC? This is great knowledge, ive been delaying meth purchase out of confusion on this issue and a refusal to change our beautiful and 'subdued' exhaust tone |
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05-02-2013, 11:48 AM | #6 | |
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There is an increase of back pressure yes, but it does not stop the car from making the power. Intake, Tune, Meth is good for about 400 WHP. With an FMIC you might squeeze a touch more. |
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05-02-2013, 01:44 PM | #7 | |
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thank you |
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05-02-2013, 03:14 PM | #8 |
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05-02-2013, 11:07 PM | #10 |
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