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Mike_L Mike_L is offline
Posts: 2,048
Join Date: Jun 2014
Car: 2021 M550i xDrive
Default 08-21-2021, 06:02 PM

I have NEVER heard of an N63 hydrolocking. Thats a 1st gen N63. Its likely the chain tensioners. They won't help you out because you didn't buy the vehicle new. I had the same situation with my 11 750.

Luckily for you, replacement is nowhere near $40k. N63 prices plummeted. You can pickup a BMW rebuilt long block (short engine), part number 11002296771, for around $3300. Even with labor, you should be comfortably under $8,000.

Mike Levy
2021 Tanzanite Blue II M550 xDrive
2010 Glacier Pearl Nissan Murano SL
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