That's right, everytime I pulled out my dipstick it had a bubble on it. It's never done that with any other oil I've used (including M1 synthetic). Should there be any concern? BTW I've only used 10w-30. I am a big M1 fan, but would like to know if this will cause any harm to my car...
P.S. Car is '93 Lexus ES300
P.S. Car is '93 Lexus ES300