Quote:
Originally Posted by PatrickC23
What is the S63B44 engine? Is it the same as the S63Tu?
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Did you read the Pdf file??? it's there
Actually there are two engines named S63B44O0 and S63B44T0.
The first one is also called S63 is the one is used in X5 M /X6 M.
The second one is also called S63TU is the one is used in M5/M6.