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Old 12-12-2011, 06:42 PM
radelow radelow is offline
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Join Date: Jun 2008
Location: San Diego, CA
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Unless any of you are engineer's that work in the field of internal combustion engines everything you say is based on your best guess and has no basis in the real world.

As I am NOT an engineer I am not going to opine on cylinder pressures, engine speed, or any of the other factors that impact the longevity of an internal combustion engine. All I will say is this, I had the 4.4i V8 X5 before I have the diesel now and I much prefer the diesel for day to day driving. The torque arrives sooner, the power is more than enough and the fuel mileage is heads and tails better. BMW has been building diesel engines for almost thirty years...and have been using turbocharging since the beginning. It is a tried and tested technology and overall diesel engines have been shown to last longer than equivalent gas engines.
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Radelow
2011 X5 35d
2011 335d
2007 F150 5.4 4x4
Factory Five Cobra
----------former vehicles----------
2008 E60 M5 ... 2005 X5 4.4i ... 2004 E46 M3 ... 1999 F250 Diesel ... 1998 M3/4 ... 1995 M3
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