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e90n54sjs e90n54sjs is offline
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Posts: 3
Join Date: Sep 2020
Car: 08 e90
Default 09-29-2020, 08:49 AM

Pump gas bef will help as well. I was having minor issues with my 335i untill I got the bef. From what I have read if you have a jb4 and dont have a bef your car hates you. Overall driveability was way better after the bef. just dont forget to go to menu4 selection 2 after you do a bef. if you dont you will rack your brain trying to figure out why you keep going to map 4 haha. Bef flashing licence is 80 bucks. im dcis charge pipe and bov ********* ***. jb4 map2 with pump usa bef.
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