Thread: DPF help
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      03-05-2013, 01:21 PM   #42
Second Lieutenant

Drives: 330d e91 M Sport
Join Date: Apr 2012
Location: cambridgeshire

iTrader: (2)

I'd replace both thermostats just for peace of mind, the pair are about 70 from bmw, the egr thermostat is very easy to change only took me 20 minutes, the main thermostat took about 1/12 to 2 hours as you will have to drain some the coolant out, the bolts are a bit fiddily due to the location but not that difficult if your handy with the spanners!

If it helps I'm sure i've seen a recent write up on changing the main thermostat.