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p0300

  1. E90/E91/E92/E93 (2006 - 2013)
    2nd Owner 2008 335i Sedan Twin Turbo HELP I have spent more money fixing this car than what is still owed on it. :mad: Consistently getting error codes P0174, P0305, P0306, P0304, P0300 for the last several months. Vacuum leak? Replace injectors? Replace valve cover gasket? Any thoughtful...
  2. E46 (1999 - 2006)
    Hey everyone, My 2003 325xi beemer has been having rough idle, stalling, and difficulty in acceleration for the past month. Never had any problems before, and in fact, crazy awesome acceleration was my favorite part of the car. The problem just appeared out of nowhere and has stayed the same...
  3. E63 / E64 6 Series (2004 - 2010)
    2005 645Ci Check Engine light is on with a iDrive notification for increased emissions. Used a Bosch OBDO reader and the code that popped was P0300 - Random/Multiple Cylinder Misfire Detected. Confirmed Fixes that show up for that code are: - Replaced Crankcase Pressure Regulating Valve...
  4. E60 / E61 (2004 - 2010)
    Hi, I had a P0305. Since I just hit 100k miles I replaced all spark plugs and coils. After swap I got: P0303 p0304 p0300 P316a B2aaa I took out 3 and for in case i had a bad connection and reinstalled - same problem Swapped 3 and 4 - Same problem Put one of the old working coils...
  5. E90/E91/E92/E93 (2006 - 2013)
    Hey guys, I had SES light on intermittently. So I got my codes read from Autozone and got code P0302, cylinder #2 misfire. There seem to be two main causes: Spark Plugs or Ignition Coils. Since, I'm coming upto a 100k on my BMW, I'm going to replace all the spark plugs and see if the problem...
  6. E46 (1999 - 2006)
    Recently ive had a few things done to my car that include Spark Plugs(NGK Double Plat),Water Pump Replaced, Fuel System Treatment 3 times( 2 Royal Purple Max Clean, 1 Gum Out 2x All in one), Full Synthetic Oil Change 2000 miles ago, SeaFoam. So Far, My vehicle displays p0300- For the misfire...
  7. E46 (1999 - 2006)
    Okay, so I bought a 2001 330i a week ago for $1,200 and it ran fine but one day randomly I started up it idled fine but after 3-5 mins the check engine light popped on and started misfiring. Scanned it and the following codes came up: P0300 - Random/Multiple Cylinder Misfire Detected P1343...
  8. E46 (1999 - 2006)
    I had mycodes scanned and came to the conclusion to replace spark plugs, new maf sensor, new intake cps, and cleaned the disa valve. Its running worse now and I have coes: p1345, p1353, p1349, p0313, p0300, p0102, p0340, p0171. So alot of misfire. And still have the same code for the intake cps...
  9. E60 / E61 (2004 - 2010)
    Hi guys, I've got a 2008 535i that has a rough idle, hesitation, a rattling sound and throws some engine codes. P0171, P0301, P0302, P0303, P0300. After some research on this forum and 5Series, I'm thinking it is this DISA valve. I don't have confidence that I could get this done right in the...
  10. X5 E53 (1999 - 2006)
    So I have a 2002 X5, it's a 3.0 litre (M54) I bought it for my wife a while ago. To make a long story short the MIL light (malfunction indicator light, service engine soon) was on when I bought it. I have worked on cars before, quite a bit, but never a Beemer, so I bought service manual...
  11. E46 (1999 - 2006)
    Recently i replaced my fuel filter and used the removing fuel pump fuse removal and running the car method to empty the fuel lines. after i replaced the fuel filter car runs smoothly but got the SES light on. then i checked the codes with autozone and got the below mentioned codes. and after...
  12. E39 (1997 - 2003)
    I have a 2001 525i with roughly 345k miles. I just bought it (super cheap) and need to get it through emissions. The codes it is throwing now are p0300, p1345, and p1347. I have recently put in a new catalytic converter for bank 1 and replaced both O2 sensors on this cat. MAF and coil...
  13. X5 E53 (1999 - 2006)
    Hi, I have 2003 X5 3.0, its got P0304, P0303, P0300, P0171 & P0174. I recently changed all 6 spark plugs with BOSCH spark plugs and switched Ignition coils of Cylinder 3 & 4 with that of 1 & 2. After clearing the check engine light and ran the X5 for 30 miles or so and now all the same error...
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