I agree with ya bud!!! I mean you know I changed the front suspension with karlyn and URo only to replace it 4 months later. So yeah they suck. Ended up going meyle and Lemforder. Your
Logic on the tank makes sense as well. You wouldn't know. Am manufactures aren't tight on tolerances. So if the od on the ports are off a few .01 then it
Is going to leak. By the time you fit a new Oe tank, the job would have cost ~$130 instead of $90.

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2011 E70 50i M Sport