1. N55_E92

    N55 Vanos Help

    2012 335i N55 PWG Prod. 4/12 105k miles Hello everyone, so I'm gonna try to explain as much as I can of what I have done and potential reasoning's, I'm the only one to touch and repair anything on it since ownership so all my doings. recently did oil filter housing gasket and oil cooler gasket...
  2. R

    Rough idle after oil change

    Hey guys i need your help on this. I changed my oil yesterday and on the way home the car went in limp mode. Next day cold start really runs rough and got these codes all together. Codes: - 29CC Misfire several cylinders (actually all 6) - 2A7C Variable camshaft timing control, intake, cold...
  3. Jeffman

    Thoughts on VANOS and (Lean?) Spool Strategy

    I think this topic is worthy of a new thread. I've copied the following discussion from a previous thread. My max spool rpm is currently set at 2750 rpm with my Vanos Spool Inlet / Exhaust table values overlapping (equaling) the moving warm VANOS Inlet / Exhaust table values at 2750 rpm. I...
  4. stelvio

    N55' reliable?

    Hello people of SS. I just recently sold my N54 335i and was looking into the N55's due to so many issues that the N54's had. I N54's are known for wastegate rattle, vanos solenoids, cam ledge issues, HPFP, etc, etc...but I'm wondering how much more reliable and/or improved is the N55 engine...