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      03-17-2012, 02:56 AM   #1
First Lieutenant
Laney's Avatar
Drives: E90 330d M Sport auto
Join Date: Dec 2011
Location: Selby, North Yorkshire

Posts: 337
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2006 BMW 330d  [4.00]
2006 330d power and economy issues

Would a faulty thermostat affect the performance as well as economy?

My engine temp doesn't get much above 75c. On the last tank I drove as economically as I could and got 466 miles from 57 litres (37mpg).

I've also had performance issues recently but they seem a little intermittent.

I'm after any ideas on this as its bugging me.

No fault codes are logged.

Thanks in advance

Laney is offline   England
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