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      10-02-2023, 08:24 PM   #4
pbonsalb
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Drives: 18 F90 M5, 99 E36 M3 Turbo
Join Date: Feb 2011
Location: New England

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There is no difference in the motors. Very slight difference in the programming of the ECU operating the motor.

Some say there was a change to the cylinders lining around 2020. No one has said the change has any significance in terms of performance or durability.
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