Thread: JB4 Tuning
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      08-24-2016, 07:26 PM   #31
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Quote:
Originally Posted by Bee Pee View Post
Fsociety

Map 1 is additive whereas maps 5 and 7 are both absolute - your note may be misread by others thought best to clear it up.

At present map 1 is all that's recommended and upping boost cap beyond 18psi needs to be done do knowing that m2 charge pipe is the same as m235i. Some have failed on m235i at 17-18psi hence my words of caution for m2 users.

BP
Correct , that was my initial post in page #1 but agree thank you for re-affirming so others dont get confused!

Quote:
Originally Posted by Bee Pee View Post
For additive maps - jb4 would stack up on the over boost function hence why BMS are saying stay with map 1 for the time being. I think map5 auto tune current SW will struggle with overboost as I think I read that jb4 was defaulting to map 4 during testing.

BMS m2 FW will no doubt allow jb4 to address overboost
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