Hey guys I just change crankshaft and camshaft position sensor and oil separator (CCV) on my 97 e39 528i I took it for a quick test drive around the block, the car was running great, after 15min all of the sudden my breaks went all spongy, I had to really pump it to stop, pedal was going almost...

My X3 has 115K+ miles on it. I saw posts elsewhere that the PCV-like part for BMW is known to get clogged and blow valve cover seals. Trying to get ahead of the game and do 'preventive maintenance'. lol Has anyone had to replace their oil separator valve on their X3? Anyone know of a good...