BMW X5 Forum (G05) - View Single Post - Car and Driver Calls the X5 M50i a Beast in Instrumented Test and Review

Multimodal · 02-18-2020, 11:24 PM

The X5 M50i is an N series engine - however both the 50i and M50i have a third generation design versus the original N63.

The M50i has a N63B44M3. The 50i has a N63B44N3. There are hardware differences. The M50i is more built.

02-18-2020, 11:24 PM	#45
Multimodal Lieutenant Colonel 2890 Rep 1,863 Posts Drives: 2019 X5 50i, 2018 911 T Join Date: Oct 2009 Location: Annapolis, MD iTrader: (1)	The X5 M50i is an N series engine - however both the 50i and M50i have a third generation design versus the original N63. The M50i has a N63B44M3. The 50i has a N63B44N3. There are hardware differences. The M50i is more built.
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