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      12-23-2017, 05:30 PM   #2
floydarogers
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Drives: 2010 335d, 2014 328d
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Location: Bellevue, WA

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Quote:
Originally Posted by anglo View Post
Your thoughts, thanks!
As with any engineering question, the answer is: "it depends"

If you want an engine that doesn't have excess Vibration and Harshness (the VH in NVH), then the I6 is unquestionably better. However:

When it comes to packaging and weight questions, the V6 is "better", although the weight question becomes more of a wash when balance shafts are added to a V6 to solve VH.

More tradeoffs occur when a V6 is turbocharged - exhaust and/or charge pipes are longer (unless hot-V) which causes more lag, and other problems. An I6 is somewhat easier to turbocharge.

The long I6 crankshaft and camshafts may cause more manufacturing/maintenance/reliability problems than the shorter ones in a V6.
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