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      07-28-2015, 11:06 AM   #26
13M5F10
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Drives: 2013 BMW M5 | MSR Stage 3
Join Date: Jun 2015
Location: Las Colinas, TX

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Quote:
Originally Posted by Mr_M5Guy View Post
So what if you don't have JB3 yet? will i need to purchase the jb3 kit and then upgrade it to JB4? I hope they come up with a complete jb4 kit.
Based on conversations I've had with BMS,you'll need the stage 1 to upgraded to the JB4. Not sure why it's not a complete set. I believe someone has amused them the question and was told they are all sold separately. Stage 1, JB4, and the BMC
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