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2008 335Xi w/JB4 - new member
ALCON,
new member here. I have a 08 335Xi, manual, cold & sports package. Recently purchased and had the following installed: JB4, air intake scoops, and clutch delay valve. I would like to know what map is best to drive. Currently on 5 but reading some of the posts on here - thinking I should be on 2.
I immediately noticed difference with JB4 installed and pleased with it but want to know I am using most advantageous map.
Thank you all - out.
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