Why would you not want to buy bmw coolant?eng622 said:Anyone know the correct spec. so as to avoid buying the BMW stuff.
I have some red coloured concentrate long life coolant OAT (organic acid technology) to BS 6580, so is this any good?
+1TitanTim said:For what it costs I would just go with the correct BMW coolant.
Tim.
eng622 said:What interval should the coolant be changed, no mention in the service book schedule?
I see Comma do an approved BMW coolant but not OAT long life, so assume it never had long life when new.