View Single Post
      08-28-2012, 01:33 PM   #3
M3PO's Avatar
Drives: '08 IB E92
Join Date: Sep 2011
Location: OC

Posts: 2,738
iTrader: (7)

If you smell anti-freeze, it may be that the coolant system is overfilled and the overflow bottle is overflowing on particularly hot days (when coolant temps are the highest and the coolant expands the most).

I've never heard a hissing sound after using my AC.
2008 IB E92 M3| BBS | KW | Arkym | Platte Forme A.G. | Active Autowerke | K&N | Fabspeed | Dinan | Evolve-R
M3PO is offline  
Reply With Quote