When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Wouldnt hurt to try.
My buddy tried it on his 330i e90, he said his exhaust (aftermarket) got a little bit louder??? and car felt a little bit better.
Also, take a look at ELF or Motul oils.