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7 Series - E65 / E66 (2002 - 2008)
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Old 11-03-2014, 07:59 AM
Bimmer252 Bimmer252 is offline
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Location: Tampa
Join Date: Aug 2012
Posts: 10
Mein Auto: 745Li
Just had an oil change, now getting a PO128

I just had my oil changed late last week and now my 2004 745Li is throwing a PO128 code. Any ideas?
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Old 11-03-2014, 09:10 AM
HATTRICK11 HATTRICK11 is offline
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Location: VA
Join Date: Dec 2013
Posts: 28
Mein Auto: Porsche 997S, 750Li Sport
Check your coolant level or the thermostat might be on it's way out. Clear code and see if it comes back......
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Old 11-03-2014, 09:10 AM
chamilun chamilun is offline
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Location: TN
Join Date: Jul 2009
Posts: 45
Mein Auto: 530i 06
probably unrelated to oil change and more to do with weather conditions changing.

Time for a new thermostat I believe. I'd check connections first just in case
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oil change, po128

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