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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > Software update



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      07-02-2020, 02:03 AM   #1
Blackdog76
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Software update

I have a 2011 335d and smog is due. I had an appointment to bring it in and as luck would have it my check engine light came on. The car doesn’t like going to the doctor I guess...the two reoccurring codes are 3FF1 “mass air flow sensor” and 4AD5 “fuel adaptation”. The 3FF1 I’m assuming can be fixed by coding or a software update, as the MAF is a new OEM Bosch unit. The fuel adaptation codes are defiantly fixed by a software update, as there are BMW service bulletins regarding them. My question is, what are my options for a software update aside from getting charged $300 in labor by the dealer for a DDE update?
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      07-02-2020, 11:55 AM   #2
335dlci
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Do it yourself.
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      07-02-2020, 03:59 PM   #3
Blackdog76
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Originally Posted by 335dlci View Post
Do it yourself.
How?
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      07-02-2020, 04:42 PM   #4
Tambohamilton
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WinKFP and NCSexpert. Learning curve is steep and confusing, but there are plenty of diys around. Take your time and get it right.
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      07-03-2020, 07:55 AM   #5
Blackdog76
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Quote:
Originally Posted by Tambohamilton View Post
WinKFP and NCSexpert. Learning curve is steep and confusing, but there are plenty of diys around. Take your time and get it right.
That’s a start, thanks.
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      07-03-2020, 09:55 AM   #6
335dlci
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Ista p is easist.
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      07-03-2020, 09:57 AM   #7
335dlci
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Also i dint think a software update will fix it
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      07-03-2020, 03:21 PM   #8
Blackdog76
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Originally Posted by 335dlci View Post
Also i dint think a software update will fix it
Why do you keep posting on my threads with zero useful information. Get a life. There is a factory update for the DDE regarding the 335d to fix a injector bug for adaptation which has not been done. There are multiple threads about it.
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