Welcome Guest! If you are already a member of the BMW MOA, please log in to the forum in the upper right hand corner of this page. Check "Remember Me?" if you wish to stay logged in.
We hope you enjoy the excellent technical knowledge, event information and discussions that the BMWMOA forum provides.
Why not take the time to join the club, so you can enjoy posting on
the forum, the club magazine, and all of the discounts and benefits the BMWMOA offers?Want to read the MOA monthly magazine for free? Take a 3-month test ride of the magazine; check here for details.
NOTE. Some content will be hidden from you. If you want to view all content, you must register for the forum if you are not a member, or if a member, you must be logged in.
Most of the time a pump-up test of the radiator is in order. Barring having the real kit, pump sorta looks like a sports ball pump, I have drilled a hole in a (spare) radiator cap any used low pressure to check and listen (gurgling) for the air leakage and where it’s coming from.
All that said, chances are it’s a head gasket especially if the bike had been run hot at one time. Most repairs are going to require some disassembly. Some changes in coolant (anti-freeze) actually helped degrade the head gasket over time.
Let us know how you make out.