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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

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  #1  
Old 04-18-2017, 11:54 PM
M33ro M33ro is offline
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e46 no crank no star

Hello fellow BMW fans, i have an E46 2003 BMW, Coupe.
Suddenly it doesn't crank nor start, the ligths turn on normally, battery is not flat, i changed the fuses in the small black fuses box in the motor, still no joy.

Any recommendations please ??
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  #2  
Old 04-19-2017, 05:35 AM
marcozandrini marcozandrini is offline
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Try another key. The security system (EWS in BMWeze) prevents electrical power from going to the starter if the key code doesn't match the code expected by the EWS.
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Old 04-23-2017, 08:53 PM
M33ro M33ro is offline
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try another key

I tried a different key, still not working
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Old 04-23-2017, 08:54 PM
M33ro M33ro is offline
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i also tried with a jumper start, still not working
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Old 04-23-2017, 11:07 PM
533-3.8 533-3.8 is offline
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wiggle the key as you turn it, the ignition switch could be bad inside.
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Old 04-23-2017, 11:13 PM
M33ro M33ro is offline
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i turn the key and i can hear the feul pump and lights turn on normally, i dont think its a key thing, in the last click where the car should start, i can hear a like something in turning on, and when i turn the key to the off position, the sound stops.
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Old 04-25-2017, 12:02 AM
scottjoh scottjoh is offline
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Bad starter or bad EWS in the key. To determine if the EWS in the key bad, try another key. If you only have one key I highly suggest buying another key from the dealer even if it's just the valet key (service key in BMW speak). Or use a BMW code reader like INPA to read the fault codes from the EWS module.


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Old 04-25-2017, 12:33 AM
M33ro M33ro is offline
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Thank you for your reply, i tried another key already, nothing different happens.i have read about the EWS, but how can i confirm where is the fault exactly, i have been advised to tap on the starter motor, which i cant even reach, because it is kinda under the motor.
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Old 04-25-2017, 10:12 AM
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If the car is a stick, try bump-starting it....
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Old Yesterday, 01:18 PM
scottjoh scottjoh is offline
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Quote:
Originally Posted by M33ro View Post
Thank you for your reply, i tried another key already, nothing different happens.i have read about the EWS, but how can i confirm where is the fault exactly, i have been advised to tap on the starter motor, which i cant even reach, because it is kinda under the motor.
Okay. That's a good sign that the EWS is okay, but, it wouldn't hurt to check the Fault code in the EWS and DME for issues. Also check that the starter is getting power. Check the positive post under the hood to make sure it's tight and has power. Otherwise try push starting if it's manual transmission.
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