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      02-05-2019, 12:53 AM   #10
DuSh
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Drives: F15 X5 50i
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Quote:
Originally Posted by turboawd View Post
Yeah the n63tu is better than the previous n63. However there have been a few on here with some problems. At least one needed a new engine, other injectors. I'd be curious to see how the v8 does above 100k miles.
We 50i guys share injectors with x5m x6m s63tu and they have a bit higher demand in terms of fuel pressure - and yet no common issues so far (knock on wood). I mean of course there always will be some outliers, but it's not a trend. I'll calculate later how much engines in total were produced by BMW n63tu and s63tu and it's a pretty substantial number. I'm talking about production across the world since 2013 for various models from f01, f07... F10, F15, F16, f85, f86 - it's for sure several hundred thousands (might be close to million) of n63tu/s63tu for all models worldwide for almost 6 years now.

Just for fun: Toyota failures are about 0.58% on average (which is one of the lowest in industry). So if we take same reliability and apply it to n63tu/s63tu - considering lets'say very conservative all time production numbers of 300k engines produced - we'll get about 1800 engine failures. And yet I highly doubt there are 1800 n63tu failures. i mean I've heard maybe 2-3 (1 of them was tuned) and maybe another 2-3 on facebook forum. let's add some more worldwide lol - maybe 10-20 and we have still way less than 1800. So n63tu is several folds more reliable than Toyota on average .
Just kidding, but jokes aside - it's probably one of the most reliable V8 German engines ever created so far.

Last edited by DuSh; 02-05-2019 at 01:07 AM..
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