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ninefourteener ninefourteener is offline
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Posts: 14
Join Date: Apr 2017
Car: 2016 340i Msport
Default 10-11-2019, 12:43 PM

Terry..... gotta be honest. I just read through every post on this forum..... and every single one of them are people having problems using a JB4 on this platform.... and even unstances of you saying that tuning this platform is complicated.

That concerns me.... a lot.

I never had any problems with my JB4s on my last 2 BMWs..... this has me deeply concerned though.

There's no "success" stories anywhere.

Particularly for only "maybe" 30-40 hp.


2020 X5 M50i - on order. ETA Jan 2020.
2016 340i MPPSK, JB4 - Retired
2014 328i, JB4 - Retired
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