In Reply to: Coolant in e30.. posted by Sanjubooty on August 12, 2001 at 09:42:05:
(posted from: nabinc-cp.nabi.com (12.21.17.2))
for that reason, phosphate free. Those white deposits are a result of the phosphate. I think "Al. head safe" just means that it will not eat your head. The deposits reduce the heat transfer.