Quote:
Originally Posted by AddyDaddy
I had the Dinan on my 19 m550. It added a solid 45-60hp over stock. My car was not making 600hp like Dinan says period. I have a stage one Evolve tune and still don't have 600hp. Those are funny numbers in my opinion that Dinan uses. I think either piggy back you'll be happy with, but with Dinan they match your warranty. I've had burger units on past BMWs and always liked their products and service.
Both will be close, but I think Dinan would be a little safer for you.
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but the cost on Dinan is so much more