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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 10-23-2013, 08:52 PM
DaveN007 DaveN007 is offline
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Location: Northern California
 
Join Date: Oct 2013
Posts: 117
Mein Auto: 2011 335d M-Sport
Calling all trouble-free 335d owners with more than 50k miles

WTF?

Did I just make the worst automotive mistake of my lifetime?

I owned a 1999 ML430...considered a terrible car by some. I had a wonderful ownership experience because I stayed a hop and a skip ahead of the known issues with the car and cultivated a great relationship with my SA BEFORE I had a single issue. I went 120k and 10 years with that car before selling it.

Can I do the same and keep this 335d I so dearly love?

I have laid the groundwork for my strategy by telling my SA that I intend to stay ahead of this carbon build up issue. He says he only sees cars that are driven "too gently" with the issue and firmly believes in the "keep it clean with your right foot" strategy.

I have the factory warranty until 4/15 or 50k miles...then the CPO warranty...and will look into an extended plan.

In the meantime, I plan to report symptoms of carbon build up well inside my warranty period to have a record of them saying, "We can't find anything wrong." Then, if it dies at 65k miles, I will be in a better position.

If it doesn't, they can just consider me crazy.

Is this sub-forum just a clearinghouse for the rare bad experience?

Any other advice? I feel like a Doomsday Prepper.
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2011 Alpine White on Brown Dakota 335d M-Sport * Premium* Cold Weather * Harmon Kardon * XM
2012 Carrara White on Black 987R (Porsche Cayman R)


Last edited by DaveN007; 10-23-2013 at 08:54 PM.
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  #2  
Old 10-24-2013, 03:12 AM
zach0726 zach0726 is offline
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Location: Humble, TX
 
Join Date: Oct 2011
Posts: 95
Mein Auto: 2010 335d, April build
I'm at about 60k miles and other than a blown wheel bearing and 1 bad tank of diesel, no problems.

I can verify that on turbo-diesels for boats (Yanmar, Cummins, CAT) that many diesel experts consider it a rule-of-thumb to operate the engine at a minimum of 90% output for at least 5-10 minutes every time the boat goes out. This is, of course, to mitigate carbon build-up.

As you'd imagine that's with the engine actually loaded-up - ie not just spinning up the tach.

My d engine gets a pretty good workout every day. But if worst case I have to drop a few k every 80k miles to clean out carbon, I'm okay with that. That said I don't believe my d is showing any signs of build-up.
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  #3  
Old 10-24-2013, 04:47 AM
KarlB KarlB is offline
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Location: Crockett,tx
 
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Posts: 881
Mein Auto: 11 335d,08 K12GT,10 S1000
little over 54k on our 2011,I do not baby my cars and firmly believe that 2 lane passing is done by getting out and getting back in as quickly as possible so right foot carbon clearing is a daily driving occurance. so far 1 bad wheel bearing and routine maint./recalls did purchase an ext warranty to 6yrs 100k so if carbon build up strikes (or the def system craps out) we are covered.
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  #4  
Old 10-24-2013, 05:28 AM
BMWTurboDzl BMWTurboDzl is online now
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Location: Atlanta
 
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Posts: 974
Mein Auto: 335D
54010 miles.

I just had the active tank of my SCR system replaced due to a bad sensor which was integrated into the tank.

I can't say I have had problems related to carbon buildup.

I did buy OEM extended warranty.
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  #5  
Old 10-24-2013, 07:16 AM
Hoooper Hoooper is offline
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Location: CA
 
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Posts: 242
Mein Auto: 335D
no real signs as of yet, soon to be reaching 68k, had the manifold off around 60k and there was slight carbon but nothing to write home about, if it continues at that pace it might need cleaning at 120k. I would be spending a lot of time in jail if I pushed the D at 90% for 5 minutes every day.
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  #6  
Old 10-24-2013, 07:52 AM
335dFan 335dFan is online now
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Location: Maryland (near Annapolis)
 
Join Date: Nov 2012
Posts: 303
Mein Auto: 2011 335d
Quote:
Originally Posted by Hoooper View Post
no real signs as of yet, soon to be reaching 68k, had the manifold off around 60k and there was slight carbon but nothing to write home about, if it continues at that pace it might need cleaning at 120k. I would be spending a lot of time in jail if I pushed the D at 90% for 5 minutes every day.
Although it's not real fun doing so, a couple of times I thought the solution might be to put it in DS, and then drive around in M3 (as I recall) with the revs up to 4-4.5k for a while. I have done it, and it is a bit annoying, and I can't say as to what the impact is on the system overall.
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Mods, etc: ACS M3 Sports Springs, JRZ RS1 Dmprs, Quaife LSD w/VAC finned diff cvr, M3 Rear SF Bushings, M3 Sways, M3 OEM front and rear Susp Comp Kits (except strut brace), Ground Control Caster/Camber Plates, JBD 100%, Stainless Steel Brake Lines, non-stgrd Apex ARC-8 18" wheels & Michelin PSS tires (for winter OEM 17" wheels and Blizzak LM-25 tires).

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  #7  
Old 10-24-2013, 09:03 AM
ChasR ChasR is offline
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Location: Atlanta
 
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Mein Auto: 335d, E28 M5, Clubman S
70K here on my 2011. Bad steering rack is all I can report.

Last edited by ChasR; 10-24-2013 at 01:10 PM.
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  #8  
Old 10-24-2013, 09:06 AM
quasimodem quasimodem is offline
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Location: N. Cal.
 
Join Date: Nov 2011
Posts: 83
Mein Auto: 2009 335d
I just rolled 100k on the way to Yosemite Friday. No symptoms of problems with carbon buildup in my 09. The car has as much power as it had when I bought it. I do mostly Highway driving, probably average 70 mph. I am in California and my work commute is against traffic so I rarely experience traffic jams.

Last edited by quasimodem; 10-24-2013 at 09:08 AM.
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  #9  
Old 10-24-2013, 07:41 PM
135i_vs_ 135i_vs_ is offline
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Location: NY
 
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Mein Auto: 335d
Quote:
Originally Posted by quasimodem View Post
I just rolled 100k on the way to Yosemite Friday. No symptoms of problems with carbon buildup in my 09. The car has as much power as it had when I bought it. I do mostly Highway driving, probably average 70 mph. I am in California and my work commute is against traffic so I rarely experience traffic jams.
Is it stock or tuned?
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  #10  
Old 10-24-2013, 09:20 PM
quasimodem quasimodem is offline
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Location: N. Cal.
 
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Mein Auto: 2009 335d
Quote:
Originally Posted by 135i_vs_ View Post
Is it stock or tuned?
Not "tuned" just "tunes" from my dual 10-inch sub woofer, sub platform, sub amp, and 4-channel amp in the trunk all wired with 4 gauge so adding an additional 100 lbs in the trunk.

Maybe I am dislodging the carbon buildup with my music since I do like it loud.
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  #11  
Old 10-25-2013, 03:12 AM
335dFan 335dFan is online now
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Location: Maryland (near Annapolis)
 
Join Date: Nov 2012
Posts: 303
Mein Auto: 2011 335d
Quote:
Originally Posted by quasimodem View Post
Not "tuned" just "tunes" from my dual 10-inch sub woofer, sub platform, sub amp, and 4-channel amp in the trunk all wired with 4 gauge so adding an additional 100 lbs in the trunk.

Maybe I am dislodging the carbon buildup with my music since I do like it loud.
Brilliant! It's just like ultrasound treatment at the physical therapist. Thanks for the tip!
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Mods, etc: ACS M3 Sports Springs, JRZ RS1 Dmprs, Quaife LSD w/VAC finned diff cvr, M3 Rear SF Bushings, M3 Sways, M3 OEM front and rear Susp Comp Kits (except strut brace), Ground Control Caster/Camber Plates, JBD 100%, Stainless Steel Brake Lines, non-stgrd Apex ARC-8 18" wheels & Michelin PSS tires (for winter OEM 17" wheels and Blizzak LM-25 tires).

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  #12  
Old 10-25-2013, 03:52 PM
DaveN007 DaveN007 is offline
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Location: Northern California
 
Join Date: Oct 2013
Posts: 117
Mein Auto: 2011 335d M-Sport
I love it. Keep the stories coming.

Can't wit to get home from Mexico to pick up my d and do some driving.
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  #13  
Old 10-25-2013, 07:31 PM
cliffj cliffj is offline
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Location: Birmingham, AL
 
Join Date: Mar 2007
Posts: 51
Mein Auto: 2011 BMW 335d
67K on mine. ONLY problems so far were SAT radio module and iDrive screen, both replaced under warranty. About 70% of my commute is highway miles, average speed of about 78 mph, but occasionally 85 - 95 mph runs when traffic allows. May be why I have seen no signs of carbon buildup yet. Only other "issue" was my avg mpg dropped 2-3 mpg after the EGR recall was accomplished. Never regained the original mpg. I usually get around 32 mpg on my daily commute and 35 mpg on a pure highway trip. Not really a true problem, but probably worth mentioning.

This is the first diesel I have owned, and now I am a believer. The torque is awesome. I had an 08 335i before the d, and like the d better.
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  #14  
Old 10-26-2013, 08:25 AM
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mt3ch mt3ch is offline
Selling my soul to BMW!
Location: Plano, TX
 
Join Date: May 2003
Posts: 107
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Mein Auto: 11 335d, 12 X5d, 13 EVO
Calling all trouble-free 335d owners with more than 50k miles

Drive it like you stole it.


Sent from BimmerApp mobile app
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2011 BMW 335d MSport [Pilot Supersports / no runcraps]
2012 BMW X5 35d [Continental DWS / no runcraps]
2013 Mistubishi Lancer Evolution GSR [Cobb Stg 3]

And a little Burger Tuning for my diesels.
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  #15  
Old 10-29-2013, 09:05 AM
slugdriver slugdriver is offline
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Location: Sterling, VA
 
Join Date: Dec 2005
Posts: 189
Mein Auto: BMW 335d '10
Had my car (55K Miles) in NTB last week to rotate and balance the tires. While it was up on the rack, I did a walk through inspection underneath and noticed the rear differential appeared to be leaking. Sure enough, ran my finger over it and it was diff fluid! I was like WTF?!! I just had the car in for service and inspection last month. I returned to Sterling BMW the next day to advise of the above leak. The SA informed me that the drive shaft input seal was leaking and would need replaced at the cost of approx $1200!!! ($150 in parts and 4.6 hours worth of labor). Whoa!!

I pushed back firmly but respectfully stating that for a $52K car, that was just in for inspection last month, the technicians should have noticed this, moreover with such low mileage shouldn't be experiencing this type of an issue.
I take meticulous care of the car w/all services etc. BMW NA agreed to cover all costs saving $256. Bottom line it's day 2 in the shop, Will keep all posted.
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2010: P/U 2 Dec 09; 335d - Schwarz, Schwarz, ZPP, Navi, Satellite, L7
2006: ED P/U 7 Apr 06; 325i - TiAg, Black, 6Sp, ZPP, ZSP, Xenons, Heated Seats, Sat Prep; Sold 1 Sept 06
1992-1993: 1979 528i (Bought, Driven, Sold in Deutschland)

Last edited by slugdriver; 10-29-2013 at 09:10 AM.
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  #16  
Old 10-29-2013, 12:59 PM
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Flyingman Flyingman is offline
hang up and drive!
Location: Miami
 
Join Date: Sep 2009
Posts: 1,853
Mein Auto: 335d
62K on my 2010. Only issues with DEF system and emission sensors so far. Oh and me running into the back end of other vehicles!

Power and MPG remain as original, so no evidence of carbon build up but I'm not about to go poking around in the intake either.

I drive spiritly, not bashful to use my right foot.

I don't think increasing rpms is a solution to clearing the carbon, it is engine load that you need to "blow" out the carbon with turbo charged air velocity and heat. That means acceleration, or towing a boat!
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  #17  
Old 10-31-2013, 08:06 AM
bmwluvher bmwluvher is offline
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Location: Virginia
 
Join Date: Aug 2007
Posts: 54
Mein Auto: 328i
head replaced twice , 2 EGR replacements, turbos replaced, DEF tank replaced twice, NOX sensors, DPF sensors, all under 50,000 miles. One suggestion to all of you. Tell the BMW tech to cut the exhaust on the back end and use BMW's joints when putting it back on. It makes replacing the DEF tank so much easier.

my X5d: cracked EGR.
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  #18  
Old 10-31-2013, 09:07 AM
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Flyingman Flyingman is offline
hang up and drive!
Location: Miami
 
Join Date: Sep 2009
Posts: 1,853
Mein Auto: 335d
Quote:
Originally Posted by bmwluvher View Post
head replaced twice , 2 EGR replacements, turbos replaced, DEF tank replaced twice, NOX sensors, DPF sensors, all under 50,000 miles. One suggestion to all of you. Tell the BMW tech to cut the exhaust on the back end and use BMW's joints when putting it back on. It makes replacing the DEF tank so much easier.

my X5d: cracked EGR.
And you're still a BMW Luhver!!!
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  #19  
Old 11-06-2013, 08:55 AM
rancur rancur is offline
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Location: Atlanta
 
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Mein Auto: Scion tC yo
has anyone correlated these repairs to geography and average trip distance?

I'm seeing a trend...highway miles...

geography-- southern hot summer might help
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  #20  
Old 11-06-2013, 09:09 AM
DaveN007 DaveN007 is offline
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Mein Auto: 2011 335d M-Sport
Quote:
Originally Posted by rancur View Post
has anyone correlated these repairs to geography and average trip distance?

I'm seeing a trend...highway miles...

geography-- southern hot summer might help
If you do a search on "335d carbon" you will get links to a variety of forums with details from lots of owners. Common thread seems to be that right around 50k miles, cars have built up enough deposits to cause problems and warrant costly cleaning and repairs.

As in $5000 to $15000.

My plan is to establish a service history that should lead BMW to cover the cleaning.

No one would ever buy one of these cars with an understanding that after 50k miles you would need a $5k to $10k service to keep the car running. These are not Ferraris.

Imagine buying a car and having the dealer tell you, "Don't drive this thing on the highway a lot. It will clog up the engine with carbon deposits and you will need a $10,000 cleaning after 50,000 miles."

"Of course that means that you will never get the fuel economy you may be buying the car for in the first place. You have to drive the car in the most inefficient manner possible to keep it from dying after 50,000 miles."

"Oh yeah. And we will charge you a premium over a 335i for all of this nonsense."

"Enjoy your torque while it lasts."

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  #21  
Old 11-06-2013, 09:55 AM
Hoooper Hoooper is offline
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Originally Posted by DaveN007 View Post
Imagine buying a car and having the dealer tell you, "Don't drive this thing on the highway a lot. It will clog up the engine with carbon deposits and you will need a $10,000 cleaning after 50,000 miles."
more often city driving is pointed at than highway. Im thinking everyone that has an issue with deposits come up needs to report it to the NTSB, maybe we can get some .gov pressure if were lucky
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  #22  
Old 11-06-2013, 10:00 AM
DaveN007 DaveN007 is offline
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Originally Posted by Hoooper View Post
more often city driving is pointed at than highway. Im thinking everyone that has an issue with deposits come up needs to report it to the NTSB, maybe we can get some .gov pressure if were lucky
.gov is usually loathe to admit that the things they encourage end up turning into a debacle.

They gave money to people to buy these cars. LOL.

"Use your rebate check to clean your own luxury car engine, you 1 per center."
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  #23  
Old 11-06-2013, 10:34 AM
Hoooper Hoooper is offline
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Originally Posted by DaveN007 View Post
.gov is usually loathe to admit that the things they encourage end up turning into a debacle.

They gave money to people to buy these cars. LOL.

"Use your rebate check to clean your own luxury car engine, you 1 per center."
I know that, but the NTSB is not the EPA, and there is 0 harm in making the effort
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  #24  
Old 11-06-2013, 01:05 PM
BMWTurboDzl BMWTurboDzl is online now
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Originally Posted by Hoooper View Post
more often city driving is pointed at than highway. Im thinking everyone that has an issue with deposits come up needs to report it to the NTSB, maybe we can get some .gov pressure if were lucky
You would have to make it a safety issue.
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  #25  
Old 11-06-2013, 01:08 PM
BMWTurboDzl BMWTurboDzl is online now
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Location: Atlanta
 
Join Date: Jul 2010
Posts: 974
Mein Auto: 335D
Quote:
Originally Posted by DaveN007 View Post
If you do a search on "335d carbon" you will get links to a variety of forums with details from lots of owners. Common thread seems to be that right around 50k miles, cars have built up enough deposits to cause problems and warrant costly cleaning and repairs.

As in $5000 to $15000.

My plan is to establish a service history that should lead BMW to cover the cleaning.

No one would ever buy one of these cars with an understanding that after 50k miles you would need a $5k to $10k service to keep the car running. These are not Ferraris.

Imagine buying a car and having the dealer tell you, "Don't drive this thing on the highway a lot. It will clog up the engine with carbon deposits and you will need a $10,000 cleaning after 50,000 miles."

"Of course that means that you will never get the fuel economy you may be buying the car for in the first place. You have to drive the car in the most inefficient manner possible to keep it from dying after 50,000 miles."

"Oh yeah. And we will charge you a premium over a 335i for all of this nonsense."

"Enjoy your torque while it lasts."

$15k??? No way. Btw...many of these failures are double posts of the same car.
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