M54 TDC issue

Hi Fanatics

I have searched and read similar issues on M54 tdc issues but ii think we differ slightly. My issues are as follows:

Front Crank Pulley Timing mark aligns with Piston 1 on TDC but the flywheel is somehow off, the dowel pin at the rear of crank (flywheel side) is fitted correctly but it doesnt align with the locking pin hole in the engine block.

What am I missing 🤔🤔🤔 tried another flywheel, still the same issue.

Please advise and Thank you
 
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