Question about 1999 BMW 323 Series

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2000 BMW 323i Check Engine Light Problem-10 codes!!! Help!

Hello, I recently bought my BMW. The Check engine light came on. I had it tested, it came back with 10 faulty codes. I just replaced my spark plugs and wires. Power seemed to be restored. I went to erase the engine codes and drove around for about 10 minutes and it popped back on again with the same 10 codes as before.. I need some serious help?! My friend that's a mechanic thinks its an o2 sensor or a vacuum leak, maybe both. I also contacted BMW and showed them the codes. They assured me that normal driving will not effect the problem or make it worse.. Is this true?

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  • Anonymous Mar 08, 2009

    Thanks for your response guys, here are the codes...

    p0150
    p0170
    p0300
    p0306
    p0305
    p0304
    p0173
    p1188 - Fuel Control(Bank 2 sensor 1)
    p1188 - Fuel Control(Bank 1 sensor 1)

    It doesn't effect my normal driving, my idle is little bit rough, Also when I replaced the spark plugs there was water corrosion in over the wires. I soaked out the water and replaced the wires and plugs. I found why water was getting into my engine bay, it was because my entire cabin filter assembly was in my cars trunk. I reinstalled it and now it seems to be ok.

  • Anonymous Mar 17, 2009

    it could be the vacum



  • Anonymous Apr 01, 2009

    I have a 1999 323 with the same problem. The person who sold me the car is like a bmw finatic. it is the vaccuum when you crank your car up when it is cold out or you drive it without heating it up, it sucks up that cold air and it gets trapped in the engine which causes the light to come on. even if you started driving for like 5 minutes. it will take a whole days cycle of driving before it will turn off. it does not interfer with the performance of the car. they are just very tempermental cars.

  • rhorlacher Apr 11, 2009

    My issue seams to be very similar to the vacuum error. However, the temperature gauge goes to the red. I can reset it by turning the car off and then on again, but the check engine light stays on. Can anyone tell me if their car does the same? All help is appreciated.

  • mark brown
    mark brown May 11, 2010

    hi, what fault codes did you have? if you list them i may be able to help and get this little problem sorted. regards mark.

  • allinbilly
    allinbilly May 11, 2010

    What codes?

  • Clint Smock
    Clint Smock May 11, 2010

    can you post the codes you are getting?

  • Roger Gantner May 11, 2010

    Wha? BMW told you not to worry bout the codes? Did you buy the car second hand from BMW???

  • Anonymous Mar 30, 2014

    1998 828I runs perfectly for many km's. On stopping then restarting minutes later the engine is difficult to start - misses and runs minus a cylinder or two, won't change gears correctly. On stopping and restarting it may correct itself once again. BMW mechanic says its a faulty sensor but error code does not define which one?

    Help please

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  • BMW Expert
  • 206 Answers

I would first check for a vacuum leak. Common areas of intake leaks are: 1. The crankcase vent valve located under the intake. 2.Check the intake boot at the throttle housing. You will find that there is an elbow where a small hose goes to your idle valve. Using your hand feel in the elbow area for a hole in the rubber. Your tech can use brake cleaner and spray the intake to check for leaks or use a smoke tester. 3.Possible failing Mass Air Meter.At idle, in park, and a/c not on the meter reading should be appr. 18-22 hz

Posted on Mar 11, 2009

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2000 bmw 323i service engine soon light; code = p1188


http://forum.e46fanatics.com/showthr...highlight=1189

P1188- Fuelicon1.png Control Bank 1 Sensor 1
P1189- Fuel Control Bank 2 Sensor 1

1. Check the fuel lines, ASA FPR first.
2. Check all the hoses. Check for leakages.
3. Reset the codes and go test drive.
4. If everything is ok for the next 80~100 miles or so, work on getting a set of Densos.

A misfire doesn't imply you need new sparks right away.


Hope this helps, Good luck.

Mar 25, 2013 | Cars & Trucks

1 Answer

00 bmw 323i chekc engine light is on and it's giving me codes for all 4 O2 sensors i replaced them and light comes on with the same codes when you turn off the car and turn it back on. possible fu


You need to inspect the spark plugs to see i the engine is running lean or rich. I have seen cars set codes or the O2 sensors instead o setting rich/ lean codes.

Dec 12, 2012 | 1999 BMW 323 Series

1 Answer

Had the throttle body unit replaced on my BMW 323i and now the car does not run at all


when check engine light comes on there is a trouble code that needs to be addressed

Sep 30, 2012 | 2000 BMW 3 Series

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How often do i need oil change on a 2000 323i bmw?


Your car holds almost 8 quarts of oil and it doesn't need changing untill you drive 8,000 to 15,000 miles

Dec 24, 2009 | 2000 BMW 3 Series

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Yellow oil symbol kept turning on


this could be due to low oil. you need to check your oil level. if it is full i would do an oil change with a bmw filter. there is a difference in filters. the service engine soon light will have to be diagnosed. meaning pull codes to point you in the right direction. great car though. happy holidays

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2000 bmw 323i service engine soon light code =


you can buy a cheap scanner that will put this light out,i have a mechanic working for me that stands on the roof ,tweeks the radio and has one foot on the brake whilst turning on the lights and he puts out nearly every service light you can think of but he wont show anyone least of all me,but if it its a 99 model iam sure you can put the light out by using a 12v electrical screwdriver with the light inside and a cable comes out the end with a clip .then going across the pins on the special BMW connector block it will go out with the resistance of the bulb across it ,but ??big but ?does it have an OBDII connector or the round BMW type because we dont have OBDII on pre 2005 cars here in spain .Now we do and guess what ??its all encrypted software used ...makes me a dinasaur

Aug 14, 2009 | 1999 BMW 323 Series

1 Answer

2000 bmw 323i


Hello.

I would advise you get the problem code read at a garage asap, to find out what the problem is, this will also tell you how urgent the repairs need to be done.

Oct 17, 2008 | 2000 BMW 3 Series

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