Poll: Your best engine oil + any additives

[nmclogandci]

on the 1.5 dCi engine from Renault I have not had good results with Castrol magnatec's 10W40 A3 / B4

[xathanatosx]

I was on my 159 defappata use the eni 5W40 with the addition of sintoflon (3 bottles) and the panther purrs

[maku1977]

and one of my prederenza....motoul all of life

[xathanatosx]

anyway, the thing that I do not disgarba is also the bardhal, I also used the stylus and it was a wonder. Cold starts are excellent, and the noise lowered.