I'm curious to see how the B48/B58 hold up at 100k miles as a starting point
The B48 has been in Mini Cooper S's since 2014 iirc and had some issues with engine replacements due to issues with main bearings only on MT's iirc, Other than that I have not heard of a ton of B48 issues......the B48 was just introduced to the BMW 2 series this year in the 230....hopefully they got all the bugs worked out over on the Mini side of thee house
The B58 has been in the 340(?) for about 2 years and iirc they had some early water pump issues but no wide spread issues that I've read about so far.....again...not a lot of opportunity for true high mileage yet but there are a lot of shared components between B48/B58 so hopefully we wont see widespread issues.....
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