Bro, seriously how many bottle do I need to FULLY clean up the carbon in combustion chamber for car mileage over 15xxxx km? Coz I dont think 1 bottle is enough.
I just bought an adjustable coilovers for my car and plan to install it soon. Its a soft/hard/high/low kit. I have searched, googled & asked around some friends for tips & advice but none of them can give a...