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BMW 3-Series (E90 E92) Forum
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Carbon Build Up Stats Thread
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12-15-2013, 08:00 PM | #90 |
Oil Burner
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Drives: 2009 335d Barbera Red Metallic
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Location: Columbus, Ohio
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2009
335d Ecotune remap 40800 28.9 avg MPG 30.8 avg SPEED 5% Biodiesel Blend & Power Service additive - BP franchise. Cetane: 50 Drive type 4 67% City, 33% Highway No carbon build up issues that I know of. Bought with 32,300 miles in 4/2013. One previous owner in Texas. |
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12-16-2013, 03:23 AM | #91 |
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Year: 2011
Model: 335d Miles: 33k Average mpg: 21.5 Average speed: not sure Fuel: 76 sometimes chevron Drive type: 3 Highway/City: 30/70 Carbon build up: Yes Additional info: Bought the the at 9k was a dealer loaner and had build up at 26k I believe |
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12-16-2013, 10:16 AM | #92 |
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Drives: 2011 335d, M-Sport
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for the sake of this thread, how are we defining "experienced the carbon buildup issue"? Throwing a CEL? Loss of MPGs? or just visible signs upon disassembly?
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12-16-2013, 10:44 AM | #93 |
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I assumed it was the latter, but I suppose the OP needs to define it.
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2021 X3 M40i: M Sport Differential, Adaptive M Suspension.
Previous BMWs: 1971 BMW 2002, 1973 BMW R75/5, and 2011 BMW 335d Previous Other Vehicles: '67 Cougar, '70 911e, '86 Jetta Diesel, '05 and '12 Foresters, et al. |
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12-16-2013, 02:07 PM | #94 |
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12-16-2013, 03:04 PM | #96 |
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12-16-2013, 11:44 PM | #97 |
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12-16-2013, 11:50 PM | #98 |
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12-17-2013, 09:05 AM | #99 |
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Redesign of the CCV was what I was told...and it's cheaper for BMW to replace the parts...get the old ones, clean themselves and put back in rotation.
Again maybe lines I was fed. |
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12-20-2013, 09:10 AM | #100 |
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Year: 2011 (build date 7/11 - post EGR fix)
Model: 335d Miles: 45k Average mpg: 34.5 Average speed: 42 mph Fuel: Shell diesel Highway/City: 80/20 Carbon build up: No problem (might be there but no SES) |
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02-23-2014, 05:56 AM | #101 |
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Drives: 2011 335d
Join Date: Feb 2014
Location: Southwest Ohio
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2011 335d
Almost 50,000 Miles 27.3 mpg, 35 mph (both averages of my typical drive) Normally fill up at Speedway, don't know cetane On a scale of 1 to 5 how hard do you drive? 2 or 3 depending on traffic Highway/City Mix: 50/50 Carbon build up issue yes or no? YES Additional Info: Started to get limp mode about 43000 miles. Repair history: 1) thermal sensor was replaced (fall, 2013). 2) Limp mode again Jan 27, got car back Feb 25--REmoved cylinder head and sent out to remove carbon buildup. 3) SES came on 15 miles later, we'll see what they say now... I'll post the codes when I get the car back. |
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02-24-2014, 08:35 AM | #102 |
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Look, Ma! No more carbon!
Hey everyone.
It's been just over a year since my last carbon-related SES. My 2009 335D is just about to hit 70k miles. I truly believe my last trip to the dealer for carbon was due to extremely low fuel quality. After my first buildup post, I stopped using convenience store fuels (WaWa here in eastern PA, Cumberland Farms etc. up in New England) and stuck instead with Shell and Sunoco mostly. Due to some particularly poor planning on my part, I found myself outside of my normal haunts and in need of fuel not once, but twice in a row! First time I grabbed a tank of WaWa diesel and when that ran out, I tried a Volero station. Not 200 miles after the Valero stop I got the SES. The corresponding trip to the Dealer resulted in a new manifold and several sensors. I posted the details of that trip last January (2013). Since then, I have stuck to my Shell/Sunoco routine. I have also started adding Power Service 03080-60 Cetane Boost and Diesel Cleaner to the tank at fill-ups (http://www.amazon.com/dp/B001JT1FJ6?tag=deadt-20). My Mileage has remained about the same, power feels better and no carbon buildup for a full year of heavy (30k miles) driving. Hope that helps. Happy motoring. |
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02-24-2014, 07:51 PM | #103 |
DIESEL POWER
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Model year
2011 335d 33,000 miles 23 mpg Avg. 25 mph Avg. Shell 40 Cetane 3 to 5 All City No Carbon build up and no check engine lights! Mixture of Power Service Diesel Kleen Cetane Boost and LUCAS fuel injector cleaner at every fill up. May be switching to Opti-Lube. Co-worker with the same car just ordered it after reading good reviews and will be testing it out.
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Michelin Pilot Super Sports 235/35R19 & 265/30R19 Black kindneys & black 335d w/ 35% tint Titanium Silver painted Carbon-fiber trunk lid |
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02-27-2014, 11:47 PM | #104 |
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Drives: 335D
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Location: USA, West Palm Beach, FL
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Model: 2011 335d (Build Date: 01/2011)
(EGR Fix at 18,249 Miles) Own for 8,249 miles at that point. Current Mileage 46k Average MPG - 30 MIX of everything + Biodiesel or Opti-Lube on most fills Driving style 4.5 50/50 Highway City CBU - None Been good to me for about two years now. |
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03-04-2014, 07:09 PM | #105 |
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2011 (2/2011 build date)
335D Mileage: 44,600 Just purchased, so I have no information on fuel and driving style. Carbon build up issue yes or no? Yes. Additional Info: I just purchased the car and took it to the dealer with an SES light and the common "red hose" oil leak. They found carbon buildup and are replacing the intake manifold under warranty as we speak. I'll update this post with all the repairs done when I pick the car up. |
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12-19-2015, 03:16 PM | #106 |
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2009 335d Engine M57N2
'09 335d USA model
Purchased used 71,500 mi. Current Millage 85,500 mi. MPG. 26.7 AVG Speed 32 Fuel: Propel Diesel HPR (High Performance Renewable) consists of 98.5% NExBTC renewable diesel Carbon build up issues: Yes Current Code reading: 4D01 Exhaust Backpresssure sensor 4CF3 Exhaust Backpressure sensor, Signal 4D03 Exhaust Backpressure sensor Even with the service engine soon light on the car drive with the above MPG fine. Current maintenance to turn light off: Replaced DPF, Had codes read again as SEC light is still on. One fault code showing. Replacing Metering Unit with hopes this resolves issue. |
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12-19-2015, 11:21 PM | #107 |
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Year: 2010 335d
Miles: 32,500 @ purchase and currently @ 81,000 Average mpg: 34.1 Fuel: varies Highway/City: 70/30 Carbon build up: None as of yet. Only a few months left of CPO. So needs to happen soon if going to do it. |
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12-22-2015, 03:17 PM | #109 |
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2011, 81,000 miles. 75:25 highway to city ratio and I like to step on it when I can.
Usually fill up with Shell or BP diesel, especially after I had read the advice on the forums regarding high turnover stations with name brand fuel. Having said that, here in the Upper Midwest I think the diesel only comes from a couple of different refineries. CBU cleaned out of intake per the pertinent SIB last week after SES light came on for MAF and NOx sensors. Got the car back yesterday and drove 65 highway miles home; no further codes for now and got 39 mpg on the trip. |
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12-23-2015, 11:20 PM | #110 | |
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Quote:
2011 335d 79,000 28mpg 60miles per day Various types of fuel 3 driving style 70highway/30streets Yes to carbon and emissions problems too |
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