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      07-11-2020, 04:25 PM   #1226
N420i
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Drives: 2016 420i lightly modded
Join Date: Nov 2016
Location: Madrid

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Quote:
Originally Posted by 340iNL View Post
Gap the plugs as well to the recommended gap.
Make sure the gastank is nearly empty, mixing fuels won't get the desired results.

I don't know if octane boosters are any good for our engines... Maybe someone can give advice about what to do?
I gapped them this afternoon to .70mm, so about .0275 for our american friends.

According to mission performance that's what's recommended for a normal stage 1 tune. .022 and under for stage 2 and beyond.

Yep I always let the tank run down to well below a quarter before refilling.

I'm gonna go out later tonight and do a few pulls on the different maps to see if anything's different. Should be about 24º ambient temperature at 3AM, which is not optimal for taking logs but damnit, I live in Spain, if the car isn't going to run properly with 24º ambient i'm well screwed for about 8 months out of the whole year.
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