+1 on Pentofrost NF. Been using it forever; never had a problem.
Originally Posted by riverwolf
Not sure if you're asking due to availability or cost.
Pentosin Pentofrost NF appears to be the OEM form of BMW coolant. Available in concentrate form at Advanced Auto, at least here in NC.
Last edited by Jackson42; 02-08-2020 at 06:35 AM.
Reason: Wrong reference to product