I'm sorta embarassed to ask BUT....
I have a M42 (91 318i) and its having a little trouble idling.. (did I spell that right?). Its fine when I first start it up, but when I slow to a stop the RPMs drop really low and the car shudders. I doesn't do it everytime, but its getting more frequent. And when we had the snow for two days it dropped so low (even while driving - think, in between shifting) it would die.
Here's what I'm thinking: about 6 months ago I cracked the 4th exhaust valve on the head (this is what they told me...;) ) - took it to get re-machined at Mike O'Hara's BMW and its never been the same since. When I bought the car it didn't leak a drop of oil and now I have a little puddle in my parking spot where it piddles. Also, last weekend when I was under there changing the oil there was all kinds of black gooey stuff - maybe the block and head (I think I'm using the right words...) aren't totally flush with each other? Maybe that's causing the idling issue?
Any ideas? I have one year parts and labor on the work Mike Ohara did - but if its unrelated I don't want to take it back to him. Any help would be appreciated. K thx bai.
I have a M42 (91 318i) and its having a little trouble idling.. (did I spell that right?). Its fine when I first start it up, but when I slow to a stop the RPMs drop really low and the car shudders. I doesn't do it everytime, but its getting more frequent. And when we had the snow for two days it dropped so low (even while driving - think, in between shifting) it would die.
Here's what I'm thinking: about 6 months ago I cracked the 4th exhaust valve on the head (this is what they told me...;) ) - took it to get re-machined at Mike O'Hara's BMW and its never been the same since. When I bought the car it didn't leak a drop of oil and now I have a little puddle in my parking spot where it piddles. Also, last weekend when I was under there changing the oil there was all kinds of black gooey stuff - maybe the block and head (I think I'm using the right words...) aren't totally flush with each other? Maybe that's causing the idling issue?
Any ideas? I have one year parts and labor on the work Mike Ohara did - but if its unrelated I don't want to take it back to him. Any help would be appreciated. K thx bai.
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