![M60 swap eliminating EWS for 404 ECU/DME](https://www.rtsauto.com/wp-content/uploads/2014/07/pin-66-404-ECU-M60-swap.jpg)
One essential part of the M60B40 swap into an E30 or otherwise is to eliminate EWS if you got an engine from an EWS car. EWS is a security system meant to prevent your car from being stolen and subsequently started. The reason the 404 DME (0261200404) is used is because it does not...
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