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      09-28-2020, 05:47 PM   #70
Tim2189
Russian in a Bimmer
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Drives: X5 M50i
Join Date: Jul 2008
Location: Brooklyn NY

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Quote:
Originally Posted by 130FeetDeep View Post
I am really starting to wonder if your limit at this point is your stock DP. That adds a lot of back pressure and likely results in higher in cylinder temps. That could explain the timing drops. I am really curious to see the timing after you get the pipes in stalled.

EDIT: One other way to see if the timing drops are knock retard (KR) is to run some ethanol or MS109 through the vehicle. Just a few gallons will work, then log again and see if the timing drops go away.
Have you seen any air Intakes for our cars ?
I'd be interested in that as well
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2013 X6 - retired
2015 X6 - retired
2015 435GC - retired
2018 X5 40e - retired
2020 X5 M50i - Current
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