I switched from pennzoil (0-38k miles)to liquimoly (38k-72k miles). Noticeably quieter, oil came out a bit lighter at each change. My dash says I gained about 1mpg and so did my overall range but people will attack you on that claim lol.
As an avid user of AMSOIL, it’s a noticeable difference, amsoil is the king
With Amsoil even if it's not signature series I trust it more than any other 0w8.
I run Amsoil and my oil change interval is 25k so the answer is it depends.
I only use Amsoil Signature Series in my B58.
Liqui Molly!
I just did mine, German sports car, $160 for Liqui Moly and service
Liqui Moly is a fine oil that meets European specifications and comes in attractive packaging
I've used only LiquiMoly for 10+ years. Runs nice and smooth with zero complaints. Used in both an N52 and B58 engine.
Got a call this morning from him and he said that the gasket/seal for the oil filter housing where it connects to block is leaking oil.
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