Compression test - how much psi is considered to be a healthy engine?

01-24-2022, 03:33 PM	#1
E90ROXS Captain 225 Rep 676 Posts Drives: E90 Join Date: Feb 2012 Location: SJ iTrader: (1)	Compression test - how much psi is considered to be a healthy engine? I did a compression today. Under dry test the numbers are as follow: Cylinder 1 - 230 Cylinder 2 - 240 Cylinder 3 - 245 Cylinder 4 - 245 Cylinder 5 - 245 Cylinder 6 - 245 Under wet test they are around 270 - 275 psi. Also I see some white smoke coming out from the spark plug hole on cylinder 6 when I did the wet compression test. Is this due to the burning oil?
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