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Car Forum / BMW Cars / November 200599m3 coupe...."check engine" light came on???
Does anyone have any ideas what it may be referring to? Car runs okay. No other symptons...except could use a tuneup perhaps. Just wondering if anyone else had this experience. My 528i has had the "check engine" light on for 2 years and nobody knows why. Just that the M3 is expensive to service and don't want to test fate.... The Check Engine Light means there is something wrong with the emission system somewhere between the intake tract and the catalytic converter. The gas cap can cause a Check Engine light as well. Normally it means the O2 Sensor is faulty. The computer throws a code that describes the exact fault. > Does anyone have any ideas what it may be referring to? > [quoted text clipped - 7 lines] > > Just that the M3 is expensive to service and don't want to test fate.... The CE light came on in my '96 328is and the cause ended up being a crack in the portion of the intake tract between the MAFS and throttle body. $36 later, it was fixed! I love it when it's easy! > The Check Engine Light means there is something wrong with the emission > system somewhere between the intake tract and the catalytic converter. The [quoted text clipped - 13 lines] > > > > Just that the M3 is expensive to service and don't want to test fate.... > The Check Engine Light means there is something wrong with the emission > system somewhere between the intake tract and the catalytic converter. The > gas cap can cause a Check Engine light as well. Normally it means the O2 > Sensor is faulty. The computer throws a code that describes the exact fault. Normally, but definitely not always. Get the code checked. Jim > Does anyone have any ideas what it may be referring to? > [quoted text clipped - 7 lines] > > Just that the M3 is expensive to service and don't want to test fate.... My 328i will light the CE on long trips. there is a leak on the rubber gasket on the gas cap. I treated the rubber, and haven't seen the light again. I have a '98 M3. The light is emissions related. My M3 is little more expensive to service than a regular E36 series (I checked), so you may want to check the actual cost. A code will be available to determine the cause. You can decide whether to fix it or not. But, I would find out what it is. This should not cost much. Could be a loose gas gap to something much more serious. Also, if the fault cures itself, the computer will detect this and turn off the light automatically. My M3 once misfired after not starting for a while. The misfire triggered the check engine light. It ran fine after a few moments, and after several days and a few cold restarts, the light turned off, as it is supposed to do. - Phil > Does anyone have any ideas what it may be referring to? > [quoted text clipped - 7 lines] > > Just that the M3 is expensive to service and don't want to test fate.... Given that there's no difference between an M3 3.2 and a 328i, or an M3 3.0 and 325i, how is the service more expensive? Spark plugs are the ONLY difference in the above mentioned comparisons. Brett Anderson KMS www.bmwgears.com > I have a '98 M3. The light is emissions related. My M3 is little more > expensive to service than a regular E36 series (I checked), so you may want [quoted text clipped - 21 lines] > > > > Just that the M3 is expensive to service and don't want to test fate.... Yep, the plugs were pricey at about $75 for 6 here in the San Francisco bay area, where everything is expensive. As you said, all else was pretty much the same as any other E36. - Phil > Given that there's no difference between an M3 3.2 and a 328i, or an M3 3.0 > and 325i, how is the service more expensive? Spark plugs are the ONLY [quoted text clipped - 34 lines] > > > > > > Just that the M3 is expensive to service and don't want to test fate.... Whats a cold restart? And how do you acomplish one? >I have a '98 M3. The light is emissions related. My M3 is little more >expensive to service than a regular E36 series (I checked), so you may want [quoted text clipped - 14 lines] >> >> Just that the M3 is expensive to service and don't want to test fate.... > Does anyone have any ideas what it may be referring to? > [quoted text clipped - 7 lines] > > Just that the M3 is expensive to service and don't want to test fate.... The only cost difference in servicing an E36 M3, over an E39 528i, is the M3's spark plugs are a more expensive. All other costs should be identical, or even cheaper. Brett Anderson KMS www.bmwdiffs.com
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