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:banghead
Hello,
I recently purchased a '89 635csi and notice that it is leaking oil from the pan gasket. I would like to replace it but seems as though I need to move the engine up or front crossmember down. Can anyone tell me what the secret is or if this best left to the dealer since it requires some magic.

Newbie,
GMT
 

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Lets see,

Drop the engine cradle.
Pull the steering linkage.

Or:

You will still need to disconnect and remove the oil pump blind.

Not a good DIY unless you have a lift at home.


M30 Oil Pan Removal

The easiest way is to lift up the passenger side of the motor, off of the motor mount. I have the front of the car on ramps and then use a floor jack, raised up on wood under the oil pan, also using wood between the jack and the pan. Then, I lift the motor off of the passenger side mount by jacking up under the oil pan after the motor mount retaining bolts have been removed. Once I have gotten it up a good distance. I got mine so that the head was just touching the firewall. I then put a jack stand under the AC compressor bracket(make sure you put it under the side that does not need to be moved, or remove the part of the bracket that is in the way before starting the jacking). The I lower the motor onto this jack stand. Remember, it will take a little while for the motor to come off the mount because you are basically removing a lot of weight from the front of the car so the suspension will decompress. Once you have done this, then go about removing the oil pan bolts. Once you get all of them out, the pan will drop, but you won't be able to pull it out. You need to reach into the crack between the pan and the block and remove the oil pump from the block and most importantly the sprocket at the front. Once you have done this, the oil pump should drop into the pan. Then you should be able to remove it no problem and accomplish any work you need. To install it, it is the reverse of removal. Make sure you have the pump in the pan and put them up together, because they won't go in separately.

Written by Rob Anderson '01
 
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