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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 03-30-2013, 02:25 PM
rmeltz rmeltz is offline
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2010 335d Service Engine light is a $3,000 repair ?

My 2010 335d with 54,000 miles (90% highway) had not a lick of problems for 3 years until it lit up the Service Engine Soon light last week. Everything still ran normally. I brought it in to the dealership after 3 days and they found fault code 46F9. Apparently the active urea exhaust / reducing agent tank sensor was the problem. This is the tank in the engine compartment (not the one in the rear where the refill port is). Service advisor said this is almost a $3,000 repair. Luckily, it was covered under the emissions warranty. Now, I suspect this is mostly labor but I am curious if anyone can vouch for why it would be so costly? BTW - I was given a brand new 328i for two days and what a huge difference in ride & steering. I didn't know the 328's and 335's were so different. I was, however, impressed with the newer display and iDrive functions. BMW still has among the best in-cabin technologies.
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  #2  
Old 03-30-2013, 02:27 PM
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raleedy raleedy is offline
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The only way to know for sure how much it would "cost" would be if you had to pay for it yourself.
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  #3  
Old 03-30-2013, 03:10 PM
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BMNW service cost is a freaken night mare
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  #4  
Old 03-30-2013, 05:12 PM
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So are they replacing the tank or just the sensor?
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  #5  
Old 03-30-2013, 10:38 PM
anE934fun anE934fun is offline
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Originally Posted by 3ismagic# View Post
So are they replacing the tank or just the sensor?
OP - how does the '$3,000' cost break down? Enquiring minds want to know. Sounds more like the tank and related plumbing. Sensor by itself wouldn't get anywhere near 3 large.
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Old 03-30-2013, 11:17 PM
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galahad05 galahad05 is offline
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Replacing the turbo would be cheaper than that bill....
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  #7  
Old 04-01-2013, 02:09 PM
nothappy335d nothappy335d is offline
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Mine failed two years ago around 35k all highway mi. Now my metering valve clogged up at 75k! So be prepared to pay some serious repair money! 335d has lots of emission problems!
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Old 04-01-2013, 03:51 PM
unrealii unrealii is offline
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Shouldn't all of that be covered under the emissions warranty?
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Old 04-01-2013, 03:52 PM
unrealii unrealii is offline
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Opps, didn't read the whole post.
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  #10  
Old 04-01-2013, 09:51 PM
nothappy335d nothappy335d is offline
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I thought it would be! But dealer refused and I contacted BMW and spent two hours on phone but they did not cover the cleaning of meter valve! Even though I have extended maintenance plan!
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Old 04-01-2013, 10:29 PM
anE934fun anE934fun is offline
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I thought it would be! But dealer refused and I contacted BMW and spent two hours on phone but they did not cover the cleaning of meter valve! Even though I have extended maintenance plan!
Perhaps you should have had a call with your regional representative of the U.S. Environmental Protection Agency? If U.S. EPA rules the repair is covered by the emissions warranty, BMW NA will make the repair at no charge to you. One thing they won't do is mess with the Feds. Even with sequestration.
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Old 04-02-2013, 04:48 AM
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Orient330iNYC Orient330iNYC is offline
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Originally Posted by anE934fun View Post
Perhaps you should have had a call with your regional representative of the U.S. Environmental Protection Agency? If U.S. EPA rules the repair is covered by the emissions warranty, BMW NA will make the repair at no charge to you. One thing they won't do is mess with the Feds. Even with sequestration.
you should see his other thread in the F30 forum to understand the train wreck...
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  #13  
Old 04-02-2013, 05:55 AM
nothappy335d nothappy335d is offline
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AnE943fun!
That's a good suggestions! My goal is to open a case w gov. Agencies so as more people start having same issues, force BMWNA to cover or start cleaning the metering valve as the extended maintenance plan!
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  #14  
Old 04-02-2013, 06:17 AM
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3ismagic# 3ismagic# is offline
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I think it will be hard to convince BMW that cleaning the metering valve should be covered under the extended Maintenance plan. It's not something that is a wear and tear item. At least theoretically it shouldn't be. However, it should absolutely be covered under the emissions warranty.

I think the only way to get the EPA involved would be if the crusted up EGR valve starts to cause cars to fail emissions tests.

And if it's going to keep getting all crusted then it's poorly engineered and BMW should deal with it like they have with the HPFP.

If you could convince them to do so it would be great but I wouldn't hold my breath. Good luck.
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  #15  
Old 04-02-2013, 06:51 AM
anE934fun anE934fun is offline
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you should see his other thread in the F30 forum to understand the train wreck...
Just skimmed it. Thanks for the heads up. Moving on in 3, 2, 1....
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  #16  
Old 01-23-2016, 12:14 PM
Zingo06 Zingo06 is offline
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2011 335 D Reducing Agent Active Res 48AC

Need some help here. My 2011 335 D has 90,000 miles. It has never made it through normal service interval to refill DEF active reservoir. Minor inconvenience. At 88,000 miles I got a service engine soon message. Error code 48AC Reducing Agent Active Tank Fill level sensor. Went to dealership. Yup, "you need a new active reservoir tank that contains the sensor". $1400. The parts people told me they have replaced several. Anyone else had this experience and did BMW help? Thanks
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  #17  
Old 01-23-2016, 12:35 PM
BimmaTech BimmaTech is offline
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It's a common failure on both the diesel e70s and e90s. The fill level and/or temp sensors go bad and can't be ordered or replaced without doing the whole tank. On an E90, the passive and active tanks are one assembly. On an X5 they are separate.
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  #18  
Old 01-25-2016, 06:55 PM
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floydarogers floydarogers is offline
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Quote:
Originally Posted by Zingo06 View Post
Need some help here. My 2011 335 D has 90,000 miles. It has never made it through normal service interval to refill DEF active reservoir. Minor inconvenience. At 88,000 miles I got a service engine soon message. Error code 48AC Reducing Agent Active Tank Fill level sensor. Went to dealership. Yup, "you need a new active reservoir tank that contains the sensor". $1400. The parts people told me they have replaced several. Anyone else had this experience and did BMW help? Thanks
BMW probably won't help. These tanks are apparently back-ordered, so many parts on them fail.

OTOH, it's not affecting the operation of the motor in any sense. It's only that the car doesn't know how much DEF is in the tank, it's an emissions-related part, so it has to throw an SES. I personally would just keep track of when you last re-filled the DEF and top it off every 10K-15K miles. You can try resetting the SES; might not come back for a while. If it does, and you have the 48ac, just ignore it. That's why I (and other members) have gone and bought code readers; to know if the code is "bad", or can be ignored.
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  #19  
Old 01-26-2016, 07:44 AM
Zingo06 Zingo06 is offline
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48AC code Reducing Agent Active Primary 335D

Thanks, that is exactly how I am handling the problem. Best
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  #20  
Old 02-08-2016, 08:06 AM
nothappy335d nothappy335d is offline
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I have been driving my 335d with last 40k mile my SES light on!!!! No problem at all! Just put a black electrical tape on it and forget it!



I took the tank out, cleaned it and try everything, and finally realized just leave it alone until everything drops off! At 149k driving flawless.
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