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N51 vs N52 on a 2010 328i, any actual reliability and performence data?
Is there any actual data based comparison of the two in terms of reliability and performance?
All reliability opinions are M56 vs M54 based, on e46 experience. Is there any e90 data?
Performance wise BMW is not saying anything. I read about the 3 stage intake on the N51 being better, but are there actual confirmed dyno results of an N51 and comparison to a N52?
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