M275 aftermarket gaskets any good?
Intake gaskets? Exhaust manifold to head gaskets? O-rings to seal all the spots they are used?
When any of them fails after a year or two did you save any money?
As always; your car your choice.



"testing" a random no-name gasket to save $30 on a $150+K MSRP car seems quixotic to me. If it fails early, then what? you're taking the charge coolers, air box, ignition modules, rear intercooler piping on one side loose to replace them.... assuming it leaks somewhere visible and doesn't fill up a spark plug well, then wick up into a coil and short it out instead. it's gambling $30 vs hours of work. I'm good.
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Valve stem seals are also Victor Reinz, for example
As they are the only aftermarket option available for these cars, it is quite possible that they are also the oen
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