Same thing, we educate customers on our products, its not a cure all but it does in fact help your vehicle. Also im sorry but your information is completely incorrect. Amsoil OE and XL ARE API certified. The Euro oils are certified for BMW and other European manufacturers. The only oil that is not API certified is the signature because Al feels thats a waste of good money. They certified the others so nay sayers would have 1 less argument. Amsoil has been extensively tested in house as well as 3rd party labs and has proven itself. Do some research on Amsoil, no complaints against the company (there was a situation involving Toyota but Amsoil offered to pay for the fixes, alot were found to be user error). Honestly man, if you have not used Amsoil then I feel you are in no position to comment on its quality, ive been using for 15 years, my dads been using since 1986, never had any engine/oil related issues.

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Do your car and move up to Amsoil.