piston rings

Hello, I own a 2007 MK2 Cupra 2.0L TFSI. I have had a misfire on Cylinder 2 for a while now. Changed Coilpacks, spark plugs but still misfires. It is not the fuel injector. Had it checked out by my garage and been told it is the piston and piston ring. He called his guy who does engine rebuilds...

Greetings, does anyone know are piston rings under number 06H198151B correct one for MK2 cupra? My local car shop site states it is, but it has been tossed around that Cupra,S3 and similar cars with forged pistons have improved pistons and rings compared to lets say BWA engines,but sites that...

Hello! So I have made this post last year. Then I did a compression test. It turns out that piston 4 is very bad. Here are the results the service gave me: 1 - 13.4 Bar 2 - 11.4 Bar 3 - 12.0 Bar 4 - 7.2 Bar I do not know how much it will cost to change piston rings but it is easier for me...