JB4 programmer – map 8 – BMW 135i

Watch this review of the JB4 programmer using map 8. My BMW 135 gets amazing miles per gallon in this video. Subscribe to my channel! I will upload more reviews of the different maps of this programmer!!

By | 2016-09-25T11:04:40+00:00 September 25th, 2016|Categories: BMW 8 Series|0 Comments

Leave A Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.