OB1 in n54 & n55

Naz 235

Member
howsit bud,

I have been running OB1 for years on many of my cars including my N54 and never had any issues, when last were your plugs changed? have you run any other additives in the past?

I hope you get it sorted soon
Changed the plugs 2 months ago when I did the tune, had the car checked today and everything is fine, maybe a bad batch of OB1 or fuel was in the tank?
 

Jeremy

Well-known member
Changed the plugs 2 months ago when I did the tune, had the car checked today and everything is fine, maybe a bad batch of OB1 or fuel was in the tank?
Yeah maybe, glad you are sorted now, so no more errors after the first one?
 

Rea_Exile

Member
I was doing a bit of research on my side, it was advised that i have to empty the tank, then add the octane boost followed by fuel. Now my question is if you already have fuel in your tank (40L) and you adding (10L) OB1 wont the OB1 mix with the exisiting fuel or do you really need to empty the tank?
 
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