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      07-27-2017, 08:46 AM   #68
Mike@N54Tuning.com
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Quote:
Originally Posted by orvillerg View Post
orvillerg 07:07 PM Today
I currently have 09' 535i with active autowerks install. Thinking of getting Jb4 would both work on my car?..
No you would want to remove the AA and install the JB4. Stacking is not a good idea.

You can stack a back end flash that is designed to work with the JB4 but using two separate tunes is not advisable.

Mike
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