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  1. E46 General
    Ive smoked test the engine and fixed my secondary air pump hose as if was broke. Now there are no evap leaks that I see. I have also checked my O2 fuses and replaced one as it was broken. Cant figure out why its still throwing codes after I clear the codes. Sometimes it will be one, sometimes it...
  2. E46 General
    Hi ! Today I went for a little drive around my town with my e46 323i 99, the big problem with this car is, that it always jerks at exactly 2000rpm, in every gear, somethimes even at 1500, dont know why, but it always does it. But today, when I went for a ride, it got waaay worse, it started...
  3. Driveline, Performance, Tuning
    So, finally finished my manual swap and my long tube headers install and so I have driven it for a bit now 🥳. But I live in NH so for inspection we require a plug in for emissions to pass. So I was wondering with the inpa,NCSEXPERT if I could modify the allowable values for it to not come up as...
  4. E46 General
    i recently swapped the engine in my 1999 323i. i used all the old intake and valve cover and i have replaced most seals and gaskets. i did not have any trouble with these codes before and it is the only thing i have left to fix before i can take it to inspection. Here is a list of what i have...
  5. Europe
    Hello can you help? The check engine light on the car recently came on. After doing the diagnostics, I got the following results: ( I attached a photo). I don’t even know where to start. Where should I watch and pay attention. after deleting the errors, the check does not light up if the car is...
  6. E46 General
    Hi there, How do I get the my E46 out of the permanent LIMP mode after I have fixed ignition problem? Background: My 2002 BMW325ci started working rough including in idle and within few days went into permanent LIMP mode (service engine light, little gear with exclamation mark next to...
  7. E46 General
    Hello guys, soo ive been constanly having battery issues with my car for the last year. Soo now whenever i stop driving the car for a while I disconnect the negative terminal to stop the battery from draining. Now my check engine light is on. And i read my codes and it is a P1515 code. I also...
  8. E46 General
    I have a 2000 328ci with 160,000 miles and The recent symptoms of my car in the past month are: -Stuck in fourth gear a few times along with CEL (now use steptronic daily to prevent this) -stalled out at a traffic light the other day when I let off the brake to start driving -rough idle and RPMs...
  9. E46 General
    Hey I have a 2004 BMW 330ci . Recently I realized my vehicle has been having rough idle and hesitation. Took it to the shop and they replaced the plugs , fuel filter and maf sensor . They also smoked the vehicle and it has no vacuum leaks on it . It has 110,000 miles . A chrck engine light came...
  10. E46 General
    First post Car 2002 330ci convertible 130k miles After having trouble with my car loosing lots of oil I went through an omnibus fixing spree spree to try to fix just about anywhere oil could be leaking as well as do some suggested replacement of parts. After fixing I ran into a new problem that...
  11. E46 General
    Let me start by saying I drive a 2000 BMW 323i. So while I'm driving my check engine light sometimes turns on, and after no more than a minute will turn off. It's very inconsistent, sometimes it'll be right on the start, sometimes it'll happen 6 or 7 times in a day, and sometimes it won't go on...
  12. DIY: Do It Yourself
    Hello Guys I've been using this site for years for all my problem solving etc. Its finally come to the point were I'm facing a new problem. I've just done the m54b30 manifold swap into my m52tu, all went well pretty straight forward. On start up for the first time I had a rough idle and vacuum...
  13. E46 General
    Hello, I've been having the following issue with my '05 325i for a about 4 or 5 months now and I'm looking for some suggestions before I start replacing more things. Car Info 2005 325i M54 153,XXX Miles Problem Starting the car when it has been sitting for more than an hour, it shakes...
  14. E46 M3
    So in the past few months I bought my first bmw, Canadian model SMG m3, and I love it so far. Everything seems to be mechanically intact buuuuuuuut, some different variations of warning lights come on periodically. Check engine light has been on and some times off since I got it, but as far as...
  15. E46 General
    I impulsively bought my 2003 325i last fall because it looked great and was priced right. It ran great for the last ten months and 4,000 miles. Check engine light came on after I fueled the last time however. (had difficulty twisting gas cap off) I assumed the gas cap wasn't sealing but...
  16. E46 General
    So I had to replace my oil separator and hoses . I replaced all my spark plugs & coils & O2 sensor. And it's still misfiring and SEL light is on.. Can some one please help I've spent a lot and I need some piece in mind and help me figure this out..please and thank you..
  17. E46 General
    Hey peoples ! I gots a question for everyone. I just picked up a 325i for a friend of mine and Im trying to diagnose the last check engine light that has popped up and I thought some people might have encountered this. "Fuel Tank, Gross Leak Detected" Fuel cap is on snug and seal is good...
  18. E46 General
    So I've read numerous threads and utilized the tips but i STILL have my check engine light since AUGUST on 2012! I FINALLY think i may have the solution, hopfully. Here's the facts: 2001 BMW 325ci (m54) I had the infamous check engine codes: p0313 Misfire Detection with Low Fuel level p0174...
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