Quote:
Originally Posted by HerkHealer
This also happens on the M550. My expansion tank cap was leaking/venting to the point where I had dried coolant (white stuff) everywhere. I took it to the dealer, they did the pressure test, and no drop. I ended up buying a new cap and it seemed to help. I have not seen the white dried up coolant since then.
|
same here, the dealer pressure-tested it about 3 weeks ago and no problems, i may just get a new cap too.