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Originally Posted by x-ricer
Hey all: posted a few questions a while back. Any help would be much appreciated!
I have the ppk and bmw performance exhaust on my 2010 e90 335. I believe the ppk is just a flash tune done by bmw, picked up the car used with it already.
So what happens if I do a COBB flash, do I loose my ppk?
If I reflash back to stock will it be the ppk tune or will I loose it all together and go back to full stock?
Also, does the COBB kill the engine overrun exhaust gurgle that comes along with the ppk tune?
Thanks!
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A few questions. Thanks for any help!