N63 rear crank seal and rear coolant cover plate

 So I started this job and forgot to take pictures before I started,,,this is a N63  the rear seal and rear coolant plate have already been removed,,,,we have found out the rear crank seal and rear coolant cover start to leak,,,,so BMW has us replace both at the same time.  Here is the old and new coolant cover side by side,,,,the new one is nice and shiny billet aluminum piece,,,,you can also noticed the seal on the coolant plate is different. Here the other side of the coolant plate cover,,,,what a nice piece look like it made to fit a hot rod,,,,I think this is the first time for a billet piece of aluminum on a BMW ,,,,,,lol. Here the new coolant plate cover is replaced and the rear crank seal is being replaced,,,you might notice the plastic cap over the rear crank seal,,,that plastic cap comes with the new seal,,,,this plastic cap helps you install the rear seal so you don’t damage the seal during replacement.

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8 Responses to N63 rear crank seal and rear coolant cover plate

  1. rene says:

    is the coolant plate made by AGA ?

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  2. BMWSanDiego says:

    Thanks for the posting. Is there a good way to check this leak? Is it obvious from underbody after removing the cover? It must be a big job as you had to take the engine down?

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    • The oil leak is seen from the transmission bell housing,,,,you have to remove the transmission for the repairs

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      • BMWSanDiego says:

        I finally got this problem as exactly you described. I found the oil leak from the transmission housing in the back. I thought it’s a upper oil pan leaking but turned to be the rear main seal leak. They found it with the scope. It seems that they also replaced coolant plate as well from their repair order. One quick question is that did they just have to refill all the liquid(the engine oil, transmission fluid and the coolant) or totally drain and change?
        Thanks!

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      • The engine and trans oil you don’t drain just topped off the fluid that you loose,,,,the coolant is drained and replaced with new coolant.

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    • BMWSanDiego says:

      Thanks a lot for the reply! By the way, I feel the shake from the steering wheel and the seat on ‘D’ mode on traffic stop. It seems that it’s better(or fine) when it’s neutral position. I haven’t felt this vibration before but just after this repair. I doubt they would diagnose this for me though as the vibration is not really noticeable clearly. It’s like the one only the owner could feel the difference. Probably my butt is to sensitive.

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