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      04-21-2013, 10:31 AM   #19
F104
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Drives: E92 320D M-sport
Join Date: Apr 2008
Location: belgium

Posts: 722
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Quote:
Originally Posted by IanS100 View Post
I'm using Torque Pro on a 320d get DPF temp from Catalyst Temp (Bank 1, Sensor 1) - it usually runs around the 200 - 300 degrees but periodically goes up to 600 plus which I guess is a regen - I have an alarm set to go off at 450 degrees which gives me a warning
Indeed. I'm using an OBD reader with alarms since a few years. A complete, uninterupted regen takes 500 or 540 seconds (I still don't know). However it does not take much releasing off the throttle to see the temp dropping to below 450.

Quote:
Originally Posted by o0timbo0o View Post
Ok, kinda goes along with my way of thinking as why it's not available for my car
I don't understand what BMW does here. I had for example intake temp (after intercooler), but then lost it after dealer did s/w update. Not knowing when a regen takes place would not please me.
An alternative (but less reliable) method is seeing if you have access to "Requested EGR %". With ambients above 0 C, and on a 320d, EGR is being requested up to 140 kph / 2400 rpm steady speed. I fear that might be higher on a 335d as it should be load/displacement related. That requested EGR % becomes zero during a regen, so no (unburned) fuel goes thru the EGR system back to the intake. But it is also zero during accelerations..
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