Quote:
Originally Posted by Lehan
Hey everyone I am new to this forum. I have a few questions I didn’t understand.
I understand I can tune my 323i to 325i but do I have to do the disa upgrade?
Also would a disa upgrade without a tune make any difference on my 323i?
Thanks!
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I don't think you would feel much difference without a tune and one or both DISA may not even open/close without a tune (not 100% sure on that). Also you are adding two more things that can break on your car (DISA's) for not much gain. If you aren't doing the tune, you are better off retrofitting the N54 manifold since it doesn't have the DISA's.
