Liquimoly leichtlauf 5w40. Been told it’s a bit better than 5w30 in a 20+ year old engine due to being a bit thicker. Also does better at higher temps and I drive like a dick
Liqui Moly leichtlauf hightech 5w40. Because it matches the BMW LL-01 specification and was formulated to help with the sticky piston rings issue common to many german engines. Noticed lower oil temp under load and a gradual reduction of oil consumption
I run LM 5w-40 as recommended by my tuner.
I just do the liqui moly. Also I change my oil well before the BMW recommended 10k.
I often go for liquymoly or Motul 4t 10-w40 fully synthetic oil for my big machine.
LiquiMoly oil is the best. Top tec 6310 0w30 is what I use for the THP.
I used to have a B8 and kept my oil level OK as per the MMI and only used Liqui Moly oil.
Liqui moly 4210 pricy but dropped my temps 10 degrees 0w30 vw 504 rated..
I always run liqui moly 5w40. It's just thin. Change it every 5k miles.
US manual states 507 can be used, but you might get worse fuel economy... Mine is about 0.3 mpg lower on liquimoly toptec 4200 5w-3p
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