which head gasket should i use?

[Zekarus]

Stock gasket fits exactly 87.5mm. I spoke with my shop and he said it shouldn't be a problem to use the stock gasket. So that's what I'm going to do now. Will update you when the engine is back in the car again.

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[stash1]

no it's 0.64mm and thats around .025" it's part number four

http://de.bmwfans.info/parts-catalog...ttached_parts/

Depending at which point of the HG you measure will, you will get slightly different measurements. Ppl use .030” as the commonly accepted thickness, and a difference of .005” is pretty much inconsequential.

[stash1]

Tried to upload a 2nd pic above, but my phone wouldn’t let me attach it properly...here’s a another measurement from a different place of the HG.

[Randall921]

Stock gasket fits exactly 87.5mm. I spoke with my shop and he said it shouldn't be a problem to use the stock gasket. So that's what I'm going to do now. Will update you when the engine is back in the car again.

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Good to know. I may go OEM as well then. Subscribed for updates.

[Randall921]

Tried to upload a 2nd pic above, but my phone wouldn’t let me attach it properly...here’s a another measurement from a different place of the HG.

Awesome, much appreciated.

[Zekarus]

Depending at which point of the HG you measure will, you will get slightly different measurements. Ppl use .030” as the commonly accepted thickness, and a difference of .005” is pretty much inconsequential.

Yeah I saw that it depends on where you measure but we need a reference or a base number from where we can go thicker and the stock gasket is 0.64mm (wherever this is measured) and from there on cometic is selling thicker gaskets.

https://www.cometic.com/applications/automotive/bmw/s54/s54b32--198ci32l-i6

And 0.005 may be negliable but there is no reason to go thicker if not needed as we all agree by now?