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      01-10-2011, 12:06 PM   #14
F104
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Belgium
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Drives: E92 320D M-sport
Join Date: Apr 2008
Location: belgium

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HighlandPete - my apologies re my EGR thermostat comment. Out of interest I looked up the M47 and you're right, it has a thermostat in the EGR assembly. I now wonder how that works, as on a cold engine you want EGR to heat up the coolant..
I had assumed BMW moved straight from the pneumatic on/off valve on the E46 engine to the pneumatic modulating one on the N47

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