Question about 1999 BMW 323 Series

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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

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  • 48 Answers

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.

Posted on Dec 12, 2012

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Posted on Jan 02, 2017

  • 97 Answers

SOURCE: bmw 323 gives p0340 code. dies at times when

may be time for new spark plugs

Posted on Feb 16, 2010

  • 208 Answers

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

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

  • 39 Answers

SOURCE: I have a 2000 323i. We have error code P1520.

i would not try the crank sensor just yet first off they **** to replace properly and you wont want to do that just yet, make sure it is the same code that has come back on as far as the banks are concerned on that enging the m52 the front 3 cly are bank 1 and the back 3 are bank 2, so unless it is talking about O2 sensors that is irrelivant, are you sure you replaced the correct sensor? it is the on in front on the engine with NO wire tail on it make sure it is plugged in correctly, this car is VERY good at knowing the difference between a cam sensor and a crank sensor the other guy does not know what he is talking about

Posted on Mar 31, 2009

alicantecoli
  • 22095 Answers

SOURCE: 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

Posted on Aug 14, 2009

  • 3 Answers

SOURCE: BMW 323i no power in the car at all, not the battery, not the alt

I had this same problem with my 94 525. Both of my battery chargers indicated battery was fully charged. I took the battery to Autozone and they said it only had 3 volts and they would charge it. They hooked up thier charger and it also said it was fully charged! They concluded the battery was bad and a new one fixed everything.

Posted on Sep 02, 2009

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BMW 323i (2000) yellow dashboard light comes on. it looks like an oil light but I'm not sure. also my car started to make this skunky smell. any ideas?


Two issues:

Yellow dashboard light: If the light is shaped like a triangle with an apostrophe, then there is likely an issue with your Automatic Stability Control or Automatic Braking System.

This can also be caused by a wheel speed sensor. It is highly recommended that you take the vehicle to your dealer as this is a safety related issue.

Regarding the "skunky smell" (sulfur dioxide, rotten eggs):
If not related to the in-dash lights, then I suspect the engine is running too rich. Check the oxygen sensor signal to the ECU to determine if it is switching normally. The engine has to run a while to get the catalytic converter hot enough to function properly. If the O2 sensors on either side of the converter is getting a bad signal, then the engine will burn too rich and eventually clog the converter.

Just about any autoparts store can read the problem code for free so just drop by one and let them give you the code, then let us know what you find.

Please let me know if this helps.

Mar 11, 2010 | 1999 BMW 323 Series

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Help 10 codes on 323i! 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...


These codes will have to be cleared and the car driven through a drive cycle, maybe a couple of times, is the check engine light off? Also you should check your MAF sensor it may need to be cleaned or replaced and makes sure there are no holes in your intake tubing. Hope this helps, let me know.

Dec 15, 2009 | BMW 323 Cars & Trucks

1 Answer

I have a 2000 323i. We have error code P1520. Which is Camshaft postion sensor bank 1 (exhaust). I replaced it and cleared the code. However, I drove it and the check engine light stayed off, until I...


i would not try the crank sensor just yet first off they **** to replace properly and you wont want to do that just yet, make sure it is the same code that has come back on as far as the banks are concerned on that enging the m52 the front 3 cly are bank 1 and the back 3 are bank 2, so unless it is talking about O2 sensors that is irrelivant, are you sure you replaced the correct sensor? it is the on in front on the engine with NO wire tail on it make sure it is plugged in correctly, this car is VERY good at knowing the difference between a cam sensor and a crank sensor the other guy does not know what he is talking about

Mar 30, 2009 | 2000 BMW 3 Series

1 Answer

Engine misfire and some times does not start when cold


Replace the Oxygen sensor. All your trouble codes are downstream of the oxygen sensor, and are related to it.

Once you replace the oxygen sensor (replace with a BOSCH sensor!), remove the positive battery cable, step on your brakes for 10 seconds, then reattach the cable. This will clear the codes from your ECM (Electronic Control Module).

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