I was driving my BMW 323i and it stopped on the turnpike. the check engine light came on and i stopped the car and had it towed. it cranks but will not run and i don't know what to do with it to fix it ? any suggestions
When check engine light comes on there is a trouble code that needs to be addressed
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
SOURCE: battary light on , engine cut off car won't crank
sounds like it's your alternator, your alternator charges your battery and runs car once it is started. if you have a bad alternator your battery light will come on, and shortly after your vehicle will die, unable to restart without a jump. I would take your battery to autozone or an auto shop to have your battery and alternator tested.
SOURCE: My bmw 323i backfired after cleaning the throttle
sounds like you an idle arecontrol valve to me, wich by the way is the only thing that really needs cleaned, make sure the air boot is not torn on the smaller part going to that vlv it tears at the bend you will need a mirror to see if in the car still, also check the plug on the same vlv make sure it is plugged in all the way, also also check the connector on the throttle itself the white arrows must be aligned and touching let me know what you find
SOURCE: My 2000 BMW 323i 2.5
first verify the basics--fuel and spark. If these are present, then timing. It may be your crankshaft position sensor. A scan would help verify but with the car not starting, you would need someone to bring a scanner to the car... Please see my tip at http://www.fixya.com/cars/r5821173-doesnt_car_start_gasoline_engines . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me with model, year and engine info.
SOURCE: i have a 1999 bmw
The error shows as a "Turbo Charger Bypass Valve Control Circuit High" error. Let me guess, you don't have turbo, right?
Possiblities:
Did you recently "top off" your last gas fill? If so the error might go away on its own.
Is there a lot of moisture where you live? Ignition contact might have gotten wet.
Possibly a piece of carbon blew out of the manifold.
Does the car stall when you stop or while taking turns slowly? Might be cam position sensors.
Sorry for the vagueness but without using a Peake analyzer tool to isolate the problem it makes it difficult to give you the exact reason.
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