The car will start but it wont run as the engine isnt yet built for the SC tune, but it throws an EWS code up in the DME read in INPA. I get everything back and im just ready for this car to start. 1 Is there any way I can re-sync another ecu from a different car (different tune but same MSS54) to the EWS. Next after speaking with a BMW tech they said "if you can get the DME programmed outside of the car it should start" so i send off the new DME with the old along with EWS and key to get it matched with the car. i checked all fuses and relays everything is good to make sure it wasn't anything stupid. they attempt to put in the DME and program it to the car and they cannot communicate with it as well. so i send the car to the stealership, purchase a brand new DME unit. end result, unit is no good cannot be repaired. i Send the DME out to get it checked, to verify the unit is bad and if it can be repaired. i get the car scanned and it cannot communicate with DME,but can comm with all other computers just not the DME. Its an 08 535i but has the same DME (MSD81) the car cranks but doesnt start. So here's the story ive looked high and low, everywhere online and spent enough $$ on this thing. im the idiot and thought it was going to be something easy. Car was purchased as a not able to start vehicleīut it cranked.
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