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Old 01-18-2010, 07:50 PM
Funf Dreisig Funf Dreisig is offline
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Location: USA
Join Date: Mar 2004
Posts: 405
Mein Auto: 77 530i & 09 35d
Originally Posted by cheapdate View Post
My 2010 did it at almost the exact same milage...1690 went off after about 10 miles. Took it in for my tow package and have them checked it. All came up negative. Will let you know.
On a 2010 35d w/ only 1690 miles and a correctly working DEF system, there are only two conditions when this should happen...
1 - The larger 'passive' tank was empty (e.g. it was never filled).
2 - The larger 'passive' tank was frozen.

So unless you were in sub freezing weather (i.e. <-11c for awhile) when the warning came on, 'All did [NOT] come up negative'. You and your dealer just don't know it yet

Funf Dreisig
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