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mjhscott1988@gmail.com mjhscott1988@gmail.com is offline
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Posts: 1
Join Date: May 2019
Car: BMW M140i
Default JB4 newbie - help! - 05-24-2019, 08:06 AM

Sorry if this has been posted before (in fact, Iím sure it would have been), but I need some advice re my newly installed JB4. My m140 (ppf) is currently standard albeit I have a K&N panel filter installed. Can someone confirm what map I should be running? Iím currently using map 3 as it seems the most responsive and subsequently delivers the most power increase but I have no way to verify other than feel. Iíve read countless of articles and write ups but nothing is really clear or definitive so hoping you guys can assist before I waste many more hours. I have a few logs from map 0 and map 1 but canít work out how to post the graph from a phone...
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