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  1. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hiya, Ive had a search and come up with some culprits but just wanted a sanity check and order of exploration. Ive a remapped DPF deleted 335d which has been running perfectly for 2 to 3 years since being done. Recently Ive noticed a big puff of black smoke (with rich smell of fuel) when...
  2. General BMW Discussions
    Hi I have a 530d ( E60) 2003 with 180K on clock. The car has recently been giving out black smoke when I accelerate ( common) but although not noticeable when driving , after a long journey the back of the car starts to get covered in black soot, so much that after a few trips, it needs to be...
  3. BMW 6 Series - Tech Talk E24,E63,E64,F12,F13
    Hello everyone! im new to all this forum malarkey so here goes nothing... I have a 1989 BMW E24 635CSi and ive recently had a few engine issues, its running really rich. I've been told it may be the throttle body is dodgy due to the butterfly valve is damaged and maybe an old O2 sensor. The MAF...
  4. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi Guys My 320i decided to rough idle when starting cold last week, it was shaking like a leaf and dropping revs. No dash lights came on. when accelerating it felt sluggish and sounded "bubbly" After 5 mins it felt fine. Later in the day i fired it up again and after 2 mins of badly idling...
  5. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi, I have been a long time browser and have generally always found answers on here without having to actually start a topic of my own (note the 0 post count but 2008 join date - something of a record I guess!) but unfortunately researching this problem shows it to be a common problem with no...
  6. BMW 3 Series Forum - Technical Talk on the BMW E21
    hi basically my bmw is a 1995 320i straight six and the issue ive had since buying the car is really excessive fuel consumption, when starting the car it starts perfectly and idles perfect however its running extremely rich as the smell of unburnt fuel is constant and the mpg is shocking...
  7. BMW 8 Series Forum - Technical Talk on the BMW E31
    Car suffers from storage and lack of use. Starts ok when cold, but once warm suffers from missfire, but runs OK after a few miles. Fuel consumption has increased considerably however and is running rich. One bank lamda sensor has fluctating voltage readings now,but no obvious mannifold leak...
  8. BMW 3 Series Forum - Technical Talk on the BMW E21
    hey everyone, I just got an 89 325i e30 with the M20, I am having trouble with smog due to high hc at idle (running rich) once the idle is brought up to 2500rpm it leans back out and is fine. It also tends to start hard and jus crank for a long time until u give it some gas. I have tried a few...
  9. Introductions
    hey everyone, I just got an 89 325i e30 with the M20, I am having trouble with smog due to high hc at idle (running rich) once the idle is brought up to 2500rpm it leans back out and is fine. It also starts hard once it is hot I have tried a few simple fixes/ probable causes for this issue...
  10. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all as you may have seen my old thread a week ago car broke down and started smoking from engine and the exhaust After having it repaired possibly a pipe burst from the turbo But since having it repaired I've noticed my car has started smoking blue smoke when cold and no smoke after that...
  11. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi! What do you think of those readings, fuel trims arent looking good, what could be the cause? Ive already replaced spark plugs and ignition coil and it was fine but the car started shaking again at idle
  12. BMW 3 Series - Tech Talk For All Gen Of 3 Series
    hi guys!! basically i got this code above, and one the guys briefly explained it to me in other thread, my question is which sensor is it? pre or post? if its not sensor then what other suggestions ? thanks guys car 330i e90 2009
  13. BMW 3 Series Forum - Technical Talk on the BMW E21
    Hi everyone, I'm having rich running problems with my e36 318. You can smell the petrol in the air when it's idling and I'm concerned that it might do some damage in the long run. I have diagnosed it with INPA and there is only one fault code. It says Fuel Trim Limit reached. I have ordered a...
  14. BMW Tuning Forum
    Since getting my LPG conversion done I've chalked up about 2000 miles and in that time the MIL light has come on 3 times. I've used INPA to check and on each time it says: "Lambda control tolerance Bank 2: Deviation rich, Sporadic Error" - @2496rpm "Lambda control tolerance Bank 1: Deviation...
  15. BMW 3 Series Forum - Technical Talk on the BMW E46
    So still fighting to find what's up with the car. So now noticing that there is a good bit of white smoke from the exhaust, uses oil and coolant more so than it should, running rich and lean at the same time, along with the hesitation and misfires etc. it was having before. Noticed spark...
  16. BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey guys, help me before i take a 11lb sledge to the car! Car's running like a bag of s#!t. Splutters, misfires, cuts off cylinders and loss of power rough idle. Pulled codes and got code for: P0160, 02 bank 2 sensor 2 no activity p0174 Bank 2 too lean P1084 Fuel control limit mixture too rich...
  17. BMW 3 Series Forum - Technical Talk on the BMW E46
    It's been a while since I posted. Hope all is well with everyone. My car has been running well, but very rich until reaching operating temperature. In recent weeks, the engine has taken more and more time to get to operating temperature. Correct me if I'm wrong, but is the mixture more rich...
  18. BMW 3 Series Forum - Technical Talk on the BMW E46
    I'll outline the scenario... Noticed a vacuum leak from upper intake boot after changing camshaft sensor, after inspection it was quite a big leak and I clearly made it a lot worse installing the sensor and playing around with the brittle hose. So after this the idle was all over the place. I...
  19. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hello all, I have about 6 weeks ago replaced the vanos seals on my 520. very happy having all my torque back and more power in engine. But in the past 2 weeks i have crazy fuel consumption back. The ltrs per 100kms gauge is going crazy can any body help
  20. BMW Tuning Forum
    Hi Guys, sme weeks ago i changed my vanos seals on the inlet cam of my e39. all was fine have much smoother exceleration and more top end power and driveability as it should when vanos is working correctly. But in the last couple of weeks my fuel consumption had risen up greatly, black exhaust...
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