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  1. Help me understand something about ash and soot..

    BMW Diesel Owners & Enthusiasts
    So while I had my NOx sensors replaced two/three weeks ago under BMW's warranty, the technician told me I most likely needed and SCR (not under warranty). He told me take the car, drive and see if the CEL comes back and it did several days later. I cleared the code and forced a regen on the...
  2. 2011 335d @ 200K miles

    E90/E91/E92/E93 (2006 - 2013)
    Hey I've been a long time lurker here but wanted to post some of my experiences now that I broke the 200K mile mark on my 335d and maybe pass along some tips on the common BS that these cars seem to have. I absolutely love this car despite the quirks it has from time to time. 30K miles...
  3. Need help! Mechanic recommends replacing DPF filters, $6300 service!!

    BMW Diesel Owners & Enthusiasts
    Looking for some help from the bimmerfest community! the BMW dealer recommended that I replace my DPF Filters which will cost $6300 (if serviced at dealership)! Below are the notes from the technician. Can you guys/gals help me out with some advice? I read online that cleaning the filters...
  4. P203a = Bad SCR Reservoir

    X5 E70 (2007 - 2013)
    My 2012 X5 35d at about 86,000 miles through a check engine light. Code reader showed P203a. Reset a couple of times just for the same code to come back in a few days. Took it to the dealer, who diagnosed as bad SCR tank. I don't know which tank (active or reserve). Dealer said that it will be...
  5. New OEM NOx sensor 8 518 789

    Parting Out
    SOLD! New BMW OEM NOx sensor p/n 8 518 789 - cable length 415 mm This is the post SCR catalyst sensor for a E70 X5 and several other models. Never installed. First $225 - which includes shipping to the lower 48 states.
  6. 2010 X5 35d Engine Malfunction Reduce Power

    X5 E70 (2007 - 2013)
    Hello everyone, I have not posted for awhile mainly because we have really had no issues with the BMW's in the house. I have a major problem with my wife's X5 35d. I have been on the road for three weeks for work, and she calls me Sunday on the way to church with the kids. What she said was...
  7. SCR Tank fix options

    E90/E91/E92/E93 (2006 - 2013)
    My first post here comes as a jaded car owner and forum user, so I must apologize in advance for the tone I'm sure to use. So, according to the rude guy at the local BMW dealer, my 2010 335d needs a new SCR tank which will run me $2400 for the part and installation. They offered no other...
  8. 2010 335d DDE and SCR/EGR Issues

    BMW Diesel Owners & Enthusiasts
    I'm reposting this portion of a thread I started elsewhere. Here is a transcribed print out from the dealer I recently obtained. Let me know if other 33d owners have similar experiences. Thanks. Highlights - 2 DDE failures - SCR and EGR issues 5/17/2012 (41,032 km) E70 E90 M57...
  9. Diesel Owners: Early DEF Warning??

    E90/E91/E92/E93 (2006 - 2013)
    If so: please POST your experience here or if not a member, please PM me. I am trying to get resolution of this issue.