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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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  #76  
Old 02-21-2012, 06:50 PM
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floydarogers floydarogers is offline
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Location: Renton, WA
 
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Mein Auto: 335d, 328d, Toyota T100
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Originally Posted by dnaer View Post
I thought people from the Pacific NW eat granola, drive Subaru's and only wear Patagonia/NorthFace. You must not be a local
I have a Patagonia fleece coat, 3 pairs of NorthFace Hyvent ski/sb pants. I hate Subies for some reason, and don't eat granola. I *do* wear REI long johns/base wear items, have a 6-digit REI membership number (my wife's # is lower). I have two chain saws and a log splitter.

I was born and raised in WA state - never lived anywhere else!
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  #77  
Old 02-24-2012, 01:15 PM
FlyingLow78 FlyingLow78 is offline
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Location: North Carolina
 
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I've got almost 7K on my 'd and I topped up the DEF this evening. I removed the lower cap on the tank (the one marked with the green label that said "DEF Fill" or something) and, using a funnel, I poured my DEF in very slowly from a 2-gallon jug. After less than 1 gallon, it started spewing fluid. Should I not try to fill the other tank? Am I only adding to the active tank? Seems to me it should have taken a lot more.
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  #78  
Old 02-24-2012, 01:30 PM
listerone listerone is offline
Oil Burners Rule!
Location: Connecticut
 
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Quote:
Originally Posted by FlyingLow78 View Post
I've got almost 7K on my 'd and I topped up the DEF this evening. I removed the lower cap on the tank (the one marked with the green label that said "DEF Fill" or something) and, using a funnel, I poured my DEF in very slowly from a 2-gallon jug. After less than 1 gallon, it started spewing fluid. Should I not try to fill the other tank? Am I only adding to the active tank? Seems to me it should have taken a lot more.
My attitude is to wait for the warning light.That's what I'm doing with my Bluetec...almost 12K miles and no warning yet.I assume that's because 90% of my miles are driven at a steady 70mph.

Do you folks in Blightey have the "free" maintenence like we do here? If you do it seems that waiting for the light or for a routine maintence visit would be the most logical choice.
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Fuelly
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  #79  
Old 02-24-2012, 02:49 PM
dnaer dnaer is offline
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Quote:
Originally Posted by cliffj View Post
I topped off the active tank, and put the remainder of the 2.5 gal in the passive tank. .
Interested in how you filled the passive tank.... was it through the upper port?
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  #80  
Old 02-24-2012, 04:47 PM
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dunderhi dunderhi is offline
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Quote:
Originally Posted by dnaer View Post
Interested in how you filled the passive tank.... was it through the upper port?
Yup
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  #81  
Old 02-25-2012, 11:43 AM
stan01 stan01 is offline
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Will this work?

Buy 1 BMW bottle. Empty into car.

Cut hole in bottom of bottle when empty and fill with cheaper DEF from another source using funnel.
Cover hole with duct tape and empty into car. Repeat as needed.
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Last edited by stan01; 02-25-2012 at 11:44 AM.
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  #82  
Old 02-25-2012, 03:33 PM
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dunderhi dunderhi is offline
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Quote:
Originally Posted by stan01 View Post
Will this work?

Buy 1 BMW bottle. Empty into car.

Cut hole in bottom of bottle when empty and fill with cheaper DEF from another source using funnel.
Cover hole with duct tape and empty into car. Repeat as needed.
Or you can just use the funnel to pour into the car.
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  #83  
Old 02-25-2012, 07:01 PM
listerone listerone is offline
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Quote:
Originally Posted by stan01 View Post
Will this work?

Buy 1 BMW bottle. Empty into car.

Cut hole in bottom of bottle when empty and fill with cheaper DEF from another source using funnel.
Cover hole with duct tape and empty into car. Repeat as needed.
It might work,I've never tried it but some have done so.What I *know* will work is: get a 1/2 gallon bottle (with the special filler) at a VW dealer

Empty it into the DEF tank

Then cut near the crimp area of the blue part of the bottle (the crimp is all that keeps the blue adapter from being removed),the blue part will then easily screw on and off.

Repeatedly refill that bottle from a 2.5 or 5 gallon jug without special adapter (quite cheap).

Success
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Formerly:2011 MB E350 Bluetec / Palladium Silver / Nav / Active Cruise / HarmonKardon Logic7
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Fuelly

Last edited by listerone; 02-25-2012 at 07:04 PM.
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  #84  
Old 02-26-2012, 05:36 PM
cliffj cliffj is offline
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Location: Birmingham, AL
 
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Mein Auto: 2012 X5 xDrive 35d
dnaer - like dunderhi stated "yup". Active tank on the bottom and passive on the top. My understanding is that the active tank is approx. 1.5gal, and Passive approx. 4.5 gal. In BMW's documentation, it states that the active tank will transfer from the passive when approx. 3 liters are used from the active. I had a total of 3 gallons of DEF. 1/2 gal BMW bottle, and 2.5 gal jug from Autozone. The active tank took a little over 1/2 gallon, and I just put the rest in the passive tank. I probably didn't' completely fill both tanks with only 3 gallons. I had about 900 miles remaining on the low DEF warning indicator. I suspect it will take 4-5 gallons to completely fill both at that point.

There are pro's and con's of using a funnel vs. re-using a modified BMW or VW bottle. I have only tried using the 1/2 gal BMW bottle by continually refilling and screwing onto the fill port of the car. The advantage of this method is that it is easy for one person to fill the tanks by supporting the weight of the bottle with your hands so it doesn't stress the connection point. Also, once the tank is full, the bottle will stop draining and you can simply unscrew the bottle adapter and remove without any spillage. The BMW bottle will close the fill port of the bottle when you unscrew it from the connection point. The disadvantage of this method is that it will probably take slightly longer to fill the tanks. Now that I have done it once, it should only take about 15mins to top both off. Not a big deal at all.
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  #85  
Old 02-27-2012, 06:44 AM
dnaer dnaer is offline
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Thanks Cliff.... very helpful. Was going to do it this weekend but went skiing instead; that was an easy decision to make. Bought two 2.5 gallon jugs and will give it a go this coming weekend.
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  #86  
Old 07-16-2014, 06:06 PM
Pierre Louis Pierre Louis is online now
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Location: Savannah
 
Join Date: Oct 2011
Posts: 729
Mein Auto: 2011 335d Sport
Quote:
Originally Posted by DnA Diesel View Post
Sorry about the late reply, guys, but here are pics showing my quick mod to the BMW 1.89L / .5 gal bottle. The bottle is the same as VW, Audi and MB, since Kruse N.A. makes it for all German OEMs here in North America. The local VAG dealer was out of the $12 stuff, so my parents were kind enough to bring one of the $26 bottles from my out-of-town dealer when they came to visit. Thanks Mom & Dad!

Any way, the photos show the bottle, then some in-between pics where I used some diagonal cutters to snip a few 3/16" cuts in the lower lip of the cap, to get the cap off, then trimmed the cap lip to make it nice and neat when (if) I need to fill the car up next time.

The bottle:


Close up of label (note, there is no BMW p/n on the label):


Close up of the locking nibs on the inner lip of the cap: (sorry about the fuzzy pic...forgot to focus...


First few snips to few the cap from the locking lugs:


Cap off, ready to trim:


Cap fully trimmed:


Cap back on the bottle, ready to be filled for next time:


Overall, pretty easy to refill. I'll use the bottle as it, vice cutting it into a funnel, since I don't mind refilling it from a larger jug if needed, and it will probably be a bit neater than a funnel...not that it's difficult or anything.

Honestly, it's as easy if not easier than topping up the engine's oil.

Cheers
D.
This worked for me just now. No drilling holes, just unscrewing the part after undoing the crimps.

Thanks!

PL
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  #87  
Old 07-25-2014, 08:24 AM
dakarm dakarm is offline
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I had to refill the def tank on my 335d recently. So after reading this thread I stopped by the VW dealer and bought the .5gal and 5gal for about $20bucks. I was able to fill the active tank with the .5g bottle but when I went to fill the passive it would fill at all. Probably a clogged vent hole . After some thinking I purchased this from amazon: http://www.amazon.com/gp/product/B00...?ie=UTF8&psc=1

The main advantage I see over a funnel is that I leave the 5gal jug on the ground. It took me about 5 or 6mins to fill the passive. I probably didn't fill it all the way but it was close enough (took about 3.5gal). The low DEF warning light wasn't on.

Now on my X5d, I'll use the .5gal refill method or maybe a ladder to raise the 5gal high enough so I don't have to hold it up.
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Last edited by dakarm; 07-25-2014 at 08:28 AM.
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  #88  
Old 06-19-2015, 03:31 AM
Taojc Taojc is offline
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Location: Allentown, PA
 
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Mein Auto: 335d, 2011
DEF tank refill

Does anyone know what size star bit I need to open the DEF tank for refilling my 2011 335d? Thanks
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  #89  
Old 06-19-2015, 03:43 AM
KeithS KeithS is offline
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Mein Auto: '11 335d, '00 540iT
Quote:
Originally Posted by Taojc View Post
Does anyone know what size star bit I need to open the DEF tank for refilling my 2011 335d? Thanks
The tool to open the filler should be in your trunk in the (very modest sized) tool kit. It's the screwdriver. Take out the metal double ended shaft of the screwdriver and the plastic handle is the tool to open the DEF filler caps.

I purchased on line a plastic fill pipe from Mercedes that (in theory) connects from the 2.5 gallon jug to the filler port. It has an internal vent line as well. Have not used it yet but approaching 18K miles since my last DEF fill it won't be long. My plan is to just dump in one 2.5 jug of DEF into the passive when the warning comes on. In this manner I know it will take at least this amount and not have to worry about overfilling either tank and plugging up the vents. Setting the DEF container on a step stool this looks real easy with gravity doing all the work. Of course looks can be deceiving.

Last edited by KeithS; 06-19-2015 at 03:49 AM.
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  #90  
Old 06-19-2015, 04:13 AM
Taojc Taojc is offline
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Mein Auto: 335d, 2011
I don't have a tool kit in my trunk.
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  #91  
Old 06-19-2015, 04:32 AM
Addicted2Torque Addicted2Torque is offline
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Mein Auto: Depends
What Keith said-location is right rear corner, lift up "bottom" of the "floor" in the side area to expose tools. Area is probably 6" x 10" inside the plastic surround.
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  #92  
Old 06-19-2015, 04:42 AM
Taojc Taojc is offline
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Thanks Keith, found it.
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  #93  
Old 06-19-2015, 05:25 AM
DnA Diesel DnA Diesel is offline
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And the fill cap is even easy enough to remove/replace by hand.

Cheers
D.
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  #94  
Old 06-19-2015, 05:40 AM
KeithS KeithS is offline
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Quote:
Originally Posted by KeithS View Post
I purchased on line a plastic fill pipe from Mercedes that (in theory) connects from the 2.5 gallon jug to the filler port. Setting the DEF container on a step stool this looks real easy with gravity doing all the work. Of course looks can be deceiving.
Yes looks are deceiving. Just picked up a container of DEF from my local truck stop (where I get my diesel). The good news is it was manufactured last week so real fresh. The bad news is the connector on the container is a different size than the special hose I purchased. Think I may need to get one 2.5 gal container from any German car dealer, and use that with the hose (I'll refill it with the less expensive DEF from the truck stop). Actually I have an appointment with the dealer next week, maybe I can get a free empty one from them.
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