I've been into european cars my whole life, but I only relatively recently became a 240 owner ... and I'm in love. What a fantastic car! So I recently changed the air filter on this new-to-me car and of course found that the airbox thermostat was non-functional, and the engine has only been drawing ...

@93Regina - your experiment proves the importance and value of this delete mod! at 32F in hilly terrain your airbox temp was 111F - imagine how crazy scorching hot the airbox temp would be if outside temps were 80 to 90F! i've done the delete to numerous 240s since the original post this mod has bee...