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Old 02-10-2011, 06:55 PM
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JCL JCL is offline
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325 comparison is overblow, yeah. How about it has the fuel economy of the 325, with the power of the 328, for the cost of the 335i?

Yes, the rpm sweet spot is down (just as it is with the 335i) but I would worry about the peak cylinder pressures as much as the rpm. That is more likely to impact longevity. Those with 300,000 mile 3.0 X5s on this board haven't been shy of using rpms. I don't think running a BMW inline six up through the rev range compromises its reliability.
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