It would only be for curiosity sake to define what was the miscommunication, there are usually two common gaskets, one if no machining was done and one of there was machining done. As the math above shows, the thicker one looks like about perfect.

The point in the thicker gasket is to not throw off the geometry of the inside of the cylinder: eg without it you will increase your compression and bring the pistons closer to the valves.

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)