135i flywheel - 21207590942
1 Series M flywheel - 21207590942
Not sure what part numbers you are looking at...
intake snorkle is the same as well. All same..Latest parts found on >2009 N54 engines
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(FBO) Cobb Stage 2+, AR Downpipes, Injen DCI, AA (Sport) FMIC, ER Chargepipe/Synapse BOV, Carbon fiber bits and Breyton GTS-R Wheels.
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