2012 E70 BMW 35d DEF active tank replacement

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How to replace a DEF active tank and resolve the two CEL codes. P203A Reductant level sensor and P205B Reductant tank temperature sensor. Parts from Bosch part number: F01C600251. Cost about $230 plus any DEF fluid.
Please consider taking a look at the following link that was posted in one of my comments to see if applies to your vehicle before you do any work or pay for any parts!!
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16 окт 2024

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Комментарии : 78

@apocalysp 4 месяца назад

Very well done this is the only video I found on def tanks

@WrenchMonkey88 4 года назад

I’ve been waiting for someone to tackle this project. Thank you sir

@thanasisdiydad9200 4 года назад

I'm glad that you found my video helpful. Thanks and don't forget to SUB please.

@WrenchMonkey88 4 года назад

@@thanasisdiydad9200 I'd subbed. Is this the part that puts your car to limp mode if sensor goes bad? I had an Active tank sensor replaced at the dealer and it had cost $4000 CAD! Are you saying you've replaced this for about $230 ?

@thanasisdiydad9200 4 года назад

@@WrenchMonkey88 these errors do NOT put the car in limp mode, you just get the CEL for the two parts. I only changed the part that has the level sensors and the tempurature sensor. This part cost me 230 dollars on Amazon. If you want to buy the entire reservoir it will cost more than 1200 dollars only for the part, and probably close to your quote if you fix at the dealer. Thanks for your support. BTW someone in a previous comment mentioned that this part is covered by dealer for 10 years or 120K so you might want to take a look.

@easyx9mm Год назад

Awesome video, thank you 🙏🏻. Took me 2 hrs and I was done. Engine light gone. Hardest part was to remove/install back front inner fender well 😳 what a pain! Cheers!

@thanasisdiydad9200 Год назад

Thanks for the feedback, I'm glad I could help.

@koven3856 Год назад

Thanks for your video. I changed minɛ today and everything went great. Thanks you

@ggua92722 2 года назад

Hello I’m back. I promised to report back and I have great news. But first, I want to give specials thanks to THANASIS dad for putting out this DIY video and clearing the road for us so we can do this repair. Also, many thanks to Smassey321 from the Bimmerfest forum for suggesting to rent the Fuel Pump Replacement Kit #27160 from Autozone. I did, and it was so easy to remove/install the big plastic nut with the wrench included in the kit. Well guys, I can tell you for sure this part also fixes fault code 49E1 or P209F Reducing-agent active-tank heating. So if you’re having any of these fault codes, buy it, install it yourself and save couple of thousand dollars. I think the BMW dealer on average is charging $2500 for this repair. I bought this part from Autohaus AZ for $260 tax+shipping included. Time it took me? Around 3 hours because I like to take my time. So there you have it and we’re here to help with questions. And yes THANASIS dad, I’ll take my family for a nice dinner with the money saved. $$$$.

@EricMohan-t4t Год назад

Apologies for the late response. I did end up draining the Active tank but I have seen where there was an inner tank within. Anyway, since I could not get a tube within the inner tank without taking the Active tank off the vehicle, I end up draining from the outer tank. I did drain the passive tank from under the vehicle as well which was quite easy. Did the drive test which did not resolve the issue. Left it with my mechanic and went on vacation. Still need to find out what he did. LOL... But he fixed the problem... The DEF I got from Shell but it was not their Shell brand. I used their shell brand a year back and that had no issue.

@daveschafer2555 3 месяца назад

Thanks for confirming this fixes 49E1. I need to order the part now to do this repair.

@chukylento449 8 месяцев назад

Good morning, a question, you only have one tank, I have that problem, the level of both tanks does not go down the same, the level on the driver's side goes down more slowly.

@edgarmanrique9007 Месяц назад

Thank you

@dmccoy03 3 года назад

Thanks for posting..much appreciated!

@evanho8436 Год назад

Hey your video is great!! I have to same problem with the P203A code and I bring it to the dealer and they said it needed a active tank and therefore we go buy the part and DIY. But after replacing the entire Active tank but the code is still on. The p203A, any clue? It’s stressing me out

@thanasisdiydad9200 Год назад

Hello Evan, Happy New year. I would try erasing the codes with an OBD ii reader. That may work. If you changed the entire tank, you should not have a code anymore. Thanks for watching, and please press the subscribe button if you haven't already.

@EricMohan-t4t Год назад

Hi - Great Video!. I need to drain the DEF Fluid from the active tank and wondering if you can confirm if draining the fluid from the outer tank will also get rid of the fluid in the inner tank. I currently have a No Start warning for 100km for Incorrect DEF fluid which I topped up a week ago. Thanks

@thanasisdiydad9200 Год назад

Hello Eric. The X5 uses DEF from the active tank and fills it up from the passive as needed to keep active tank filled. The warning sign comes when the level in the active tank is low (and the passive tank is empty or the transfer pump is not working). Draining the passive tank should take care of all the fluid so you can fill with the right stuff. What kind of fluid did you use and you got an error? I hope this helps, and thank you for the support.

@edgarmanrique9007 Месяц назад

Great ,can you share the part number ?

@thanasisdiydad9200 Месяц назад

Sure, part number is listed in comments, Bosch #F01C600251

@DanielZajic 2 года назад

How many hours would you say this should take an experienced mechanic (non-BMW)? 3-4hrs? This video might be a huge help to me. I called BMW today and they didn't show this recall for my 2012, but my local mechanic said there is one. Maybe my specific VIN isn't covered? If not, I'll buy this part and have my local install it, instead of taking it to BMW. it's 2 hours away, and I think they charge $200/hr or more. I was worried this repair would cost me $3,000 but now it seems like the worst case might be $600 or 700.

@thanasisdiydad9200 2 года назад

Hello Daniel, this should not take an experienced mechanic more than 3 hours. If you can fix it with $600 parts included, go for it. Thanks for your support. Don't forget to subscribe if you have not already.

@easyx9mm Год назад

2 hrs what took me. I haven’t ranched for 5 years, Have 30+ years experience in the field.

@ggua92722 2 года назад

Hey THANASIS dad, I have a question? How did you install the plastic rivets holding the wheel well liner? Do you have the tool to install them? Please let me know. Thank you.

@thanasisdiydad9200 2 года назад

Hello. Yes, these are reusable, and if you don't have all of them, they are available on Amazon, just get the variety pack that has a little of all of them. The special tool is a simple clip removing tool. Like a screwdriver that has a V end on it. Get one, you will use it a lot.

@ggua92722 2 года назад

@@thanasisdiydad9200 I have that tool to remove plastic rivets with the V-end but I don’t have the tool to install them. How do you install new ones? Do you know what tool I needed? Thank you.

@thanasisdiydad9200 2 года назад

@@ggua92722 The plastic ones are easy to install, just have them pulled out, and once installed, push to secure.

@oldyeller7480 2 года назад

do you recommend priming the heater before attaching the pump assembly ?

@thanasisdiydad9200 2 года назад

Hey Bob. Thanks for your input, and thanks for your support. I did not do that. I don't know if that would make any difference. My car works just fine.

@1975lap 2 года назад

Thanks bud! Did you have to do any coding for the vehicle to accept the part. You made one brief mention of it, but in the end you only said you just reset your CEL. Thanks.

@thanasisdiydad9200 2 года назад

Hello, thanks for watching. I did not code my vehicle after completing the work. I just reset the CEL and that's it. Thanks for your support, and please subscribe.

@slobonmyknob-re6rj Год назад

HELP!!!! I have error code 41F9 and I can't figure it out... Can anyone give me any tips?

@acidpork577 2 года назад

In video part# is F01C150224 and in the description F01C600251.... I got mine (2009 BMW X5 E70) and it says F01C1900034.... What is the difference?

@shelldodo12 3 года назад

Hi DIY DAD, I bought the same parts from Bosch and replaced the tank as you did, unfortunately the wrong code do not go away, I use scanner deleted wrong code and the code come back again 2 days later. Do you have any suggestion for me? thanks a lot in advance.

@thanasisdiydad9200 3 года назад

Duo Chen hello, just make sure the codes that we are comparing are the same. 1) code P203A and 2) code P205B. Now if they are the same, and you did the process the way I did it you should not get the codes again. Remember to back track your work and not forget any connectors unplugged. I hope you find the source of your problem without taking it to a mechanic. Best of luck and thanks for subbing.

@shelldodo12 3 года назад

@@thanasisdiydad9200 thank you, now the car runing without issues, but I will track my work as you said

@ggua92722 2 года назад

Hello THANASIS Dad, thank you for another amazing DIY video. I’m all ready to do this job today. I’ve been dealing with CEL with my 2012 X5 diesel. Fault code I’m getting is 49E1 or P209F Reducing-agent active-tank heating. I’m hoping the heating unit seating a the bottom of the tank will be the culprit and this swap will fix it. I’ll report back in a couple of days to let you all know if this part fixes fault code 49E1 or P209F. Please wish me luck. Thank you.

@thanasisdiydad9200 2 года назад

It's not about luck my friend. It's about following my instructions. Be confident and get it done. You got this!! Take your family out for a nice dinner with the money you save!! I'm glad I can offer help to you.

@ggua92722 2 года назад

@@thanasisdiydad9200 , great news, fault code is fixed. Thank you so much for putting out these DIY videos and help us with these repairs. And yes, with the money saved, Ill take the family for a nice dinner. Take care my friend 👍

@shelldodo12 3 года назад

Great! May I know the engine light back or not after replacement active tank? thanks

@thanasisdiydad9200 3 года назад

duo chen hello. First of all, thanks for watching and thanks for your support. After replacing the active tank both CEL's went away. Please sub if you haven't, and I hope this video can help you.

@shelldodo12 3 года назад

@@thanasisdiydad9200 Hi DIY DAD, I bought the same parts and replaced the tank as you did, unfortunately the wrong code do not go away, I use scanner deleted wrong code and the code come back again 2 days later. Do you have any suggestion for me? thanks a lot in advance.

@jackkongnamul1258 5 месяцев назад

Tell me the falut code P 204F reductant performance bank1 2012 e70 X5 35D

@bosssss425 2 года назад

Hi What kind DEF did you use ??? Thanks

@thanasisdiydad9200 2 года назад

Oksana, thanks for reaching out. I used to use the BMW brand, but I am recently using the Valvoline brand. Here is the link: www.amazon.com/gp/product/B01I3ZG1CY/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 Don't forget to push the subscribe button, and thanks you for your support.

@jjb9547 3 года назад

Thank you for this video! Just replaced mine! Thank you, thank you..! I have 3 error codes, initially it was only "4D32: Reducing Agent Active Tank Temp Sensor Plausibility.' Then the following weeks "4D16 DeNox System Efficiency" and "452A: Info-Particulate FIlter System" came out. Is it possible that the last 2 error codes could be caused by the DEF Active Tank Sensor (4D32) error code?

@campfund8724 2 года назад

Did you figure this out? I have the same codes going on right now. Reducing agent active tank heating and particulate filter system. I was just quoted a few grand for the fix. Lol, I’d rather now 😅

@lirives7660 3 года назад

Hello, Thank you for making this video! How long did it take the entire process and also where and how much did the parts cost? Will be helpful if you have the part number! Thank you

@thanasisdiydad9200 3 года назад

Thanks for watching and thanks for your comments. The part number is in the description of the video. Parts from Bosch part number: F01C600251 and you can buy from many suppliers such as Amazon. Just google the part number and choose the best option for you. The process takes about 3 hours if you are an intermediate like me. if you are more knowledgeable, maybe quicker. I hope that helps, let us know what you do. And don't forget to share, like and SUBSCRIBE please.

@lirives7660 3 года назад

@@thanasisdiydad9200 Thank you for your reply. On my X5 I had check engine light on with P205B error code only. Right before I started replacing this part luck me I had an appointment for an oil change and when I took it in they saw the check engine light, I told them the error code I am getting and they told me that it’s covered under e extended warranty on this part from BMW 10 years/120000 miles so they taking care of it free of charge including the diagnostics!😊. They did tell me that the cost would have been around $2600 for this repair if past the warranty, so thank you very much for making this video as it will save people thousands of dollars 🙏. Your video is very detailed and you good at working on cars, next can you tackle on replacing the 3 cab filters? The dealership asked $500 for that!! Thanks again

@thanasisdiydad9200 3 года назад

@@lirives7660 I'm glad that I could help. I may need to do one of those videos as well, yes. Thanks again for your support.

@_Muhammad_Quran 3 года назад

Hi! Thank you for sharing this video. I am considering to buy a BMW E70 3.0 D, 2012 with 103000 km. Approximately when or at which milage/km do you need to replace this unit?

@thanasisdiydad9200 3 года назад

Hello Magomed and happy new year. There is no specific time to change this unit. Only if it fails then you need to replace. The warranty covers this till 120K miles if I am not mistaking. My unit failed after this mileage around 125K. So if it fails before, its better to take it to an authorized dealer to get it fixed under warranty. I hope this helps, and don't forget to Subscribe. Thanks for your support.

@recordshopper 3 года назад

THANASIS DIY DAD what are the symptoms

@oldyeller7480 2 года назад

mine went up at 173000 miles

@mazytes00 2 года назад

Thank you for making this video! My understanding is that the trick to save the money is: instead of replacing the whole active tank (part#: 16197244138), we just need to replace the DEF heater (part#: BC3Z5J225KA) which is part of the tank. And it seems like the genuine heater part is not available, and Bosch part# F01C600251 is a great replacement. Is my understanding correct?

@thanasisdiydad9200 2 года назад

Hello Zhiyao, Bosch part number: F01C600251 is a complete part that contains both, Reductant level sensor and the tank temp sensor. You need to change this whole assembly to make it easy. The part costs only around $250. It will take you approximately 3 hours to do this job. I hope this helps. Please don't forget to subscribe. And thank you for your support.

@mazytes00 2 года назад

@@thanasisdiydad9200 Thanks for your response. I understand that the Bosch part contains both sensors. I was trying to say that the dealership usually replaces the whole active tank which costs 2.5k - 3k, the part itself is around 1.5k - 2k. However, we don't need to replace the whole active tank, but just the heater which attached both sensors.

@thanasisdiydad9200 2 года назад

@@mazytes00 yes that's right. You will save a ton of money this way. Sorry I did not fully understand your thought.

@alevilrincones3981 2 года назад

hi will thi spart works on a 335d 2011?

@thanasisdiydad9200 2 года назад

Hello alevil. I don't see why not. But before you get it, I would check BMW parts and cross check based on your VIN. Thanks for your support.

@kostas_wellknown4519 2 года назад

Τι ακριβώς είναι το active tank στα ελληνικά?

@thanasisdiydad9200 2 года назад

Κωστα, δεν ξερω την ακριβη ορολογεια για το active DEF tank, αλλα διαβασε λίγο για το συστημα: Για να είναι δυνατή η περαιτέρω μείωση των τιμών εκπομπών ρύπων ενός αυτοκινήτου, τροφοδοτείται υγρή αμμωνία (με εμπορική ονομασία AdBlue®) στο σύστημα εξάτμισης των κινητήρων πετρελαίου. Η Επιλεκτική Καταλυτική Αναγωγή (SCR) με AdBlue® μειώνει τα οξείδια του αζώτου μέχρι και κατά 90%. Αυτό που μένει είναι υδρατμοί, άζωτο και CO2. Αυτό που μένει είναι υδρατμοί, άζωτο και CO2. Ευχομαι να σε βοηθισα. Μην ξεχασεις να πατημεισ το κουμακι subscribe.

@kostas_wellknown4519 2 года назад

@@thanasisdiydad9200 νομίζω ότι βοήθησες και με το παραπάνω κείμενο!! Σε ευχαριστώ πολύ!

@Centralcoastwraps831 3 года назад

Od this related with p20ee code??? Any know ?

@thanasisdiydad9200 3 года назад

blackholebralwers thanks for watching. It may be linked, but the best thing you can do is take a look at your connectors and fluid levels before you actually put any effort in it. Or even better, take it to the dealer and get a quote, and they can tell you what you need to do. Thanks again for your support, Please consider sharing, liking and Subbing to my channel.

@challo213 3 года назад

@@thanasisdiydad9200 is repair related to P209F: Reductant Tank Heater control circuit

@thanasisdiydad9200 3 года назад

@@challo213 SCR NOx Catalyst Efficiency Below Threshold Bank 1 is the source of your code. I don't think there is a direct relation to the DEF tank temperature heating element. Thanks for your support, don't forget to subscribe.

@MrSplibb 3 года назад

If you drank a shot of liquor every time you say ummm alcohol poisoning would be inevitable

@thanasisdiydad9200 3 года назад

Mr Splib all I would like you to do so I can continue creating content that my users find helpful is for you to Subscribe, Like and Share this video. Thanks for your input and thanks for watching.

@tonycash4485 3 года назад

Buy a tripod, the camera is all over th place

@thanasisdiydad9200 3 года назад

OK Tony. Thanks for your comment. I want to get close shots sometimes and my son that helps me is not always available. Don't forget to share, like and Subscribe please.

@ryanwilliams3679 2 года назад

Appreciate you trying but damn this video is unorganized and made me dizzy watching cause you can't hold the camera still. Maybe try having someone else hold the camera for you just a thought.

@dmccoy03 3 года назад

Thanks for posting..much appreciated!