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Old 09-24-2012, 06:11 AM
sunny5280 sunny5280 is offline
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Location: Denver, CO
Join Date: Feb 2010
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Mein Auto: 2011 X5-M
Originally Posted by thecushion View Post
THX for the above comment,What would be the better engine .....3.0L or 4.4L ? My indy says I will have issues with the 4.4L
I owned a 2000 (85K) and 2001 (126K) 4.4i and they both had rock solid engines. Not sure why people believe the 4.4 is more unreliable than the 3.0. Some have theorized the 4.4's power puts more strain on the drive train. However I've seen no data to suggest failures are higher on the driver train with the 4.4.

It's my opinion the weak points on the E53 are non-engine related and therefore found with either engine. One exception being the oil separator freezing...not sure if the 3.0 has one and therefore prone to that issue.
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