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John V · 03-01-2021, 09:14 AM

I agree... if "more reliable" is the goal I would not swap a "known" E46 to an unknown E90.

The N52 in non-hi-performance trim is a dud of an engine, even compared to the M54 which is a dud in its own right.

And stuff like the electric water pump and the poor serviceability of the N52 makes me really sour on them.

03-01-2021, 09:14 AM	#4
John V No more BMWs Join Date: Apr 2005 Carmudgeonly Ride: Ram, MS3, CX-5, RX-8 Location: Glenwood, MD Posts: 14,753	I agree... if "more reliable" is the goal I would not swap a "known" E46 to an unknown E90. The N52 in non-hi-performance trim is a dud of an engine, even compared to the M54 which is a dud in its own right. And stuff like the electric water pump and the poor serviceability of the N52 makes me really sour on them.