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The BMW Range
3 Series
E46
To obtain a spare key
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<blockquote data-quote="jarance" data-source="post: 616491" data-attributes="member: 21"><p>First the security code in the key have to be coded in the chip embedded in the key. Then when the key is inserted into the</p><p>steering key lock, it will read the code by the EWS. If the EWS detect this key is not valid, then the EWS will not tell the DME to </p><p>enable the starter. </p><p></p><p>The EWS can accept about 10 keys (including the 4 previous key). if new key is introduced, the EWS must be program so that the</p><p>new key is valid.</p><p></p><p>Else you can turn the ignition but you wont crank the engine. </p><p></p><p>In addition, you still need to sync the key to the GM5 module to enable the remote operation.</p></blockquote><p></p>
[QUOTE="jarance, post: 616491, member: 21"] First the security code in the key have to be coded in the chip embedded in the key. Then when the key is inserted into the steering key lock, it will read the code by the EWS. If the EWS detect this key is not valid, then the EWS will not tell the DME to enable the starter. The EWS can accept about 10 keys (including the 4 previous key). if new key is introduced, the EWS must be program so that the new key is valid. Else you can turn the ignition but you wont crank the engine. In addition, you still need to sync the key to the GM5 module to enable the remote operation. [/QUOTE]
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The BMW Range
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To obtain a spare key
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