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BMW Diesel Owners / Enthusiasts
Do you own a diesel powered BMW? Maybe a 335d or a BMW x35d? Come and talk about what makes your car great!

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  #1  
Old 07-12-2013, 01:32 PM
rmeltz rmeltz is offline
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Mein Auto: E63, C300 and 335d
Unhappy My 2010 335d emissions falling to pieces

In the last 3 months, my 335d's emissions system has stated to unravel...

ME: freeway commuter (72 miles a day)
My CAR: 62,000 miles and 3.5 years old. Perfectly maintained and 90% highway miles. Not a single problem until until:

3/27/13 56,985
--Service Engine Soon (fault code 46F9 "Reducing Agent Tank Sensor")
--Dealer replaced entire DEF tank under extended emissions warranty (a $2,000 repair bill avoided).

5/20/13 59,939
--Service Engine Soon (code indicated "Exhaust Temp Sensor faults & Mass AirFlow Sensor")
--Dealer found cracks in the flexible air hose which is connect to the air intake. Replaced it. Cost to me was $400.

6/14/13 61,170
--Service Engine Soon again (fault code P0101 "Mass or Volume AirFlow circuit Range/Performance"). SES light goes dark after a couple of days.

6/25/13 61,524
Service Engine Soon (same fault code as before). It came on and went off after a couple days again. Called SA.

7/09/13 62,023
--Service Engine Soon came on again in the morning. Scanned code P0101. At least is has been consistent.
--In the afternoon, I noticed a puddle at the rear of my car. My rear DEF tank has leaked-out all the fluid.
--While driving home, you guessed-it, my "Diesel Exhaust Fluid is on reserve" warning appeared.

7/12/13 24 hours after drop-off, SA called: A new rear DEF tank is needed. ETA 3 WEEKS! (coming from Germany). "Go ahead and stay in the loaner car." His tech did not research the P0101 codes so that is still an open item.

Is there something more systemic to the diesel emission system here or just really bad luck? Other than the MAF sensor errors and DEF failures, the car has been flawless.

Rob
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  #2  
Old 07-12-2013, 02:04 PM
UncleJ UncleJ is offline
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I want to write "other than that Mrs Lincoln, how was the play" -- but of course I won't. The good news is you are covered by the extended emissions warranty -- even longer in CA (and some other states). There does seem to be a recurring thread of problems with the DEF system/tank/etc. that perhaps has yet to work it self out. Otherwise a seriously great engine is in danger of being knobbled by accessory problems IMHO. Right now I would have to think long and hard about getting a new diesel (and I really want one!) just because of this DEF system problem.
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  #3  
Old 07-12-2013, 03:57 PM
135i_vs_ 135i_vs_ is offline
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Quote:
Originally Posted by rmeltz View Post
In the last 3 months, my 335d's emissions system has stated to ....
What year is your 335d?
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  #4  
Old 07-12-2013, 05:07 PM
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bayoucity bayoucity is offline
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Originally Posted by 135i_vs_ View Post
What year is your 335d?


Are you serious ?

hint: read the title again.
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  #5  
Old 07-12-2013, 05:12 PM
135i_vs_ 135i_vs_ is offline
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Quote:
Originally Posted by bayoucity View Post


Are you serious ?

hint: read the title again.
Lol! Thanks. Long drive back from the DOR event at Atco. Going to sleep. Zzzz..
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  #6  
Old 07-13-2013, 06:17 AM
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Flyingman Flyingman is offline
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My 335D is in a similar situation as the OP.

2010, 60k miles, 3 1/2 years old, commuter, 72 miles each day.

Most of my issues have been related to the DEF system as well. So for sure the emissions crap on these cars is the achilles heel, no doubt.

Reason I did the extended warranty. If I were to keep this car beyond 100k I would seriously look at having much of that crap removed/bypassed.

Fortunately my out of pocket has been zero beyond the cost of the warranty plan, of course. Think of it as "prepaid"!
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  #7  
Old 07-13-2013, 07:44 AM
BMWTurboDzl BMWTurboDzl is offline
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Quote:
Originally Posted by Flyingman View Post
My 335D is in a similar situation as the OP.

2010, 60k miles, 3 1/2 years old, commuter, 72 miles each day.

Most of my issues have been related to the DEF system as well. So for sure the emissions crap on these cars is the achilles heel, no doubt.

Reason I did the extended warranty. If I were to keep this car beyond 100k I would seriously look at having much of that crap removed/bypassed.

Fortunately my out of pocket has been zero beyond the cost of the warranty plan, of course. Think of it as "prepaid"!
Perhaps the new parts are upgrades over those which were replaced? It's times like these were I wish I had a 4 post lift and a 3-bay garage
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  #8  
Old 07-13-2013, 09:19 AM
Diesel Power Diesel Power is offline
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My 2010 335d emissions falling to pieces

The SES light on my 2011 335d just illuminated yesterday for the first time at the 51,200 mile mark. Curious to find out what triggered it. So far, no performance impact.

Fortunately, I have the BMW extended warranty.

Will post outcome after diagnosis of problem.


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  #9  
Old 07-13-2013, 09:42 AM
GreekboyD GreekboyD is offline
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I have two payments left ($667.44) on my D and the car is officially mine after August. I still have extended warranty on it and I'm only at 37,000 kms (23,000 miles) but I will be looking at DPF delete/EGR removal and SCR/DEF removal in the future. I intend on having the car for a very long time and all of the above will be trouble without a doubt in my mind at some point. Even with extended warranty this emissions stuff will get old REAL fast IMO.

Our cars were guinea pigs with this system and we will all pay the price at some point.

Last edited by GreekboyD; 07-13-2013 at 09:44 AM.
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  #10  
Old 07-15-2013, 09:35 AM
Diesel Power Diesel Power is offline
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Quote:
Originally Posted by Diesel Power View Post
The SES light on my 2011 335d just illuminated yesterday for the first time at the 51,200 mile mark. Curious to find out what triggered it. So far, no performance impact.

Fortunately, I have the BMW extended warranty.

Will post outcome after diagnosis of problem.


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Turns out the culprit was a faulty injector. The injector in cylinder 1 was replaced.
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  #11  
Old 07-15-2013, 09:45 AM
Alpine300ZHP Alpine300ZHP is offline
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I hate to say it, but the problems others have reported was a strong deciding factor in getting rid of my 335d and passing on an x5d. My particular car was flawless, but it only had 22k miles when I traded it. I knew trouble lurked down the road and that values would drop when the new 328d came out. I sold it in Decembe 2012 for about 2k less than my payoff (with it needing 4 new tires). I saw that as a break even point and unloaded it. I would love a new diesel, but I refuse to buy one until these components have withstood the test of time and have proven to be reliable.
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  #12  
Old 07-15-2013, 03:30 PM
135i_vs_ 135i_vs_ is offline
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Quote:
Originally Posted by Diesel Power View Post
Turns out the culprit was a faulty injector. The injector in cylinder 1 was replaced.
I hate to say it...I think your SES will be back. Injectors are not the source of the problem.

Keep us posted please.
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  #13  
Old 07-15-2013, 03:50 PM
Diesel Power Diesel Power is offline
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Quote:
Originally Posted by 135i_vs_ View Post
I hate to say it...I think your SES will be back. Injectors are not the source of the problem.

Keep us posted please.
Will do. Time will tell.
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  #14  
Old 07-16-2013, 07:07 AM
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rmorin49 rmorin49 is online now
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Re: My 2010 335d emissions falling to pieces

Quote:
Originally Posted by Alpine300ZHP View Post
I hate to say it, but the problems others have reported was a strong deciding factor in getting rid of my 335d and passing on an x5d. My particular car was flawless, but it only had 22k miles when I traded it. I knew trouble lurked down the road and that values would drop when the new 328d came out. I sold it in Decembe 2012 for about 2k less than my payoff (with it needing 4 new tires). I saw that as a break even point and unloaded it. I would love a new diesel, but I refuse to buy one until these components have withstood the test of time and have proven to be reliable.
Same here. I traded before my 4/50 warranty expired due to fear of massive repair bills. Am watching Audi as I am very interested in a diesel powered A6. My gas powered A6 has been flawless so far.

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  #15  
Old 07-16-2013, 03:36 PM
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Stevarino Stevarino is offline
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Me too

I love the 335d. I have a 2011 with about 21,000 trouble free miles. But all of the "SES" light stuff has convinced me to:

1. Sell the 335d.

2. For the first time in my life, LEASE a car. I ordered a 2014 X3 for lease. I think that is the way to go now that the car makers are stretching technology at the cost of reliability to improve fuel mileage.

3. Why not just buy a Honda and be done with the problem? I think the solution is to lease a BMW and not care about reliability and enjoy the ride.
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Last edited by Stevarino; 07-16-2013 at 03:50 PM.
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  #16  
Old 07-16-2013, 05:57 PM
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Stevarino Stevarino is offline
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My 2010 335d emissions falling to pieces

My purchase of a 2011 335d has changed my mind toward car ownership forever.

I have decided that cars have become like experimental "cell phones".

Just like a phone, you upgrade the contract every few years and get a new phone and forget about reliability and repair costs. Especially when you start to hear about $8-12,000 repair costs outside of warranty.

Forget about it and lease the car. JMHO.


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  #17  
Old 07-16-2013, 06:19 PM
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rmorin49 rmorin49 is online now
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Quote:
Originally Posted by Stevarino View Post
I love the 335d. I have a 2011 with about 21,000 trouble free miles. But all of the "SES" light stuff has convinced me to:

1. Sell the 335d.

2. For the first time in my life, LEASE a car. I ordered a 2014 X3 for lease. I think that is the way to go now that the car makers are stretching technology at the cost of reliability to improve fuel mileage.

3. Why not just buy a Honda and be done with the problem? I think the solution is to lease a BMW and not care about reliability and enjoy the ride.
Interesting as these are my sentiments as well. Now that I am retiring and not commuting 60+ miles a day to work 5 days a week, I am seriously considering leasing as well. Keep my money invested and just rent a car for 3 years and then turn it in and get a new one. Never leased before but may well do it next time I need a new car.
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  #18  
Old 07-17-2013, 01:06 AM
magbarn magbarn is online now
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Ahh. Its threads like this that make me want to dump my car before the 4/50 runs out and depreciation accelerates even faster. Thank you so much CARB, for making our vehicles adapt all this SCR/DEF crap before it was ready!
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  #19  
Old 07-17-2013, 05:07 AM
BMWTurboDzl BMWTurboDzl is offline
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Ahh. Its threads like this that make me want to dump my car before the 4/50 runs out and depreciation accelerates even faster. Thank you so much CARB, for making our vehicles adapt all this SCR/DEF crap before it was ready!
CARB leapfrogged the new Euro rules. Clearly the E90 was not designed for SCR judging from the location for the Urea refill port. DPF has been around for awhile. SCR was new.
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Old 07-18-2013, 03:32 PM
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Re: My 2010 335d emissions falling to pieces

Is VW/Audi experiencing similar issues with their diesel models?

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2013 Audi A4(Ret)
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  #21  
Old 07-19-2013, 08:52 AM
Alpine300ZHP Alpine300ZHP is offline
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My 2010 335d emissions falling to pieces

Quote:
Originally Posted by rmorin49 View Post
Is VW/Audi experiencing similar issues with their diesel models?

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The Jetta TDI has had many issues if you believe the Internet. Prior to clean diesel the VW TDI engines were bulletproof.


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  #22  
Old 07-19-2013, 10:02 AM
Hoooper Hoooper is online now
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im pretty well convinced that clean diesel was conceived to kill off the consumer diesel market, but then again im sure car enthusiasts were saying the same thing in the late 70s/early 80s when gas emissions requirements were new and 5L engines could only muster 150HP
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  #23  
Old 07-19-2013, 11:04 AM
Alpine300ZHP Alpine300ZHP is offline
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My 2010 335d emissions falling to pieces

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Originally Posted by Hoooper View Post
im pretty well convinced that clean diesel was conceived to kill off the consumer diesel market, but then again im sure car enthusiasts were saying the same thing in the late 70s/early 80s when gas emissions requirements were new and 5L engines could only muster 150HP
I am cautiously optimistic that clean diesel and electric vehicles will become reliable, more common and cheaper with time. Until that happens I will remain on the sidelines with my old fashioned ICE powered car. I considered a Tesla, but I am too busy and impatient to be a beta tester.


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  #24  
Old 07-20-2013, 10:52 PM
OILPowered OILPowered is offline
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My 2010 335d emissions falling to pieces

Quote:
Originally Posted by Alpine300ZHP View Post
The Jetta TDI has had many issues if you believe the Internet. Prior to clean diesel the VW TDI engines were bulletproof.


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The VW 2.0 CJAA TDI's biggest concern is the hpfp, which when fails, can grenade and send shrapnel through the fuel system. Completely different set of issues than the U.S. BMW M57 applications. The new Passat has a different set up and pumps (also uses urea where the older Golf and Jetta's set up do not) and from my last scan of the TDI forums, the hpfp may be less of a concern.

This issue makes the carbons build up and emissions issues of the N. American M57 applications (VWs have those too) seem pretty minor. The CP3 fuel hpfp used in our cars is far more robust than the CP4 used in the VWs. I'm not sure which Bosch pump is used in the 320/328d- would be interesting to find out.


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Last edited by OILPowered; 07-20-2013 at 10:54 PM.
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  #25  
Old 07-23-2013, 10:54 AM
Philm35 Philm35 is offline
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To those who are considering dumping their cars before the warranty expires: Keep in mind that for every complaint about a problem that shows up in these forums, there are thousands of other cars that are running just fine. Nobody ever posts to say "I didn't have any problems with my DEF system today".

By the way, I didn't have any problems with my DEF system today.

--Phil
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