Coolant Change Interval?
Does anyone know the specified coolant change interval for the S65?
The owner's literature and also bmwtis.com are non-specific. Also, there is no drain plug(s) on the engine for coolant like previous BMW engines. Just at the radiator.
I'm asking because I am going to add a water temperature gauge, so I will be changing coolant anyway.
Last edited by JonM; 10-06-2008 at 12:04 PM..
Reason: URL mis-spelled.
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