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Valvetronic Diagnosis | BimmerFest BMW Forum the 5v fault is either integrated supply module (which supplies valvetronic motor with power) or DME bad in some cases wire harness between dme and valvetronic motor
E90 cranks but wont start, no communication with DME Didn't sit right and pricey so towed back home to start investigating ourselves So problem seemed to be that with no communication with DME and no power at fuses 37,38,39 something is wrong in DME relay circuit up so worked through those circuits So we: Replaced battery to brand new BMW battery so that part should be ok
N55 DME failure, common problem? | BimmerFest BMW Forum I have a failed DME on my 2012 X5 35i My local BMW shop told me DME failures are not common for most BMW engines, but they have seen a lot of failures on any model with the N55 engine due to valvetronic solenoid failures shorting the DME Mine didn't fail due to a shorted solenoid Mine
[SOLVED] FEM . DME replacement - BimmerFest BMW Forum The ECU are correctly connecty and responding but cant code the EWS To do this i use the replacement procedure use by BMW, select DME and execute the operation but the engine didnt run stay with "DME data record ; Variant monitoring" So i swap the FME with the new key, engine start but i dont have the right VIN KM and nothing work
Fuel trim bank1 and bank2 error - BimmerFest BMW Forum :cry: My 2001 525i has trim bank errors, I have tested it for intake leaks with brake cleaner Also had a smoke test done and still nothing Shop told me it was my maf He said it was reading 13 kg and it should read 10 kg so I bought a new one and installed it reset the code and it still
ECU DME Swap - BimmerFest BMW Forum easy path to bad dme ecu fix I had success getting just an ECU DME and matching EWS from salvage yard in Phoenix Less than $50 Then I get an uncut EWS key from Ebay for $12 Remove swap out my ESW DME with salvage yard units Swap the transponder remote unit in my BMW key fob with new one from ebay Use AK90+ to program the new transponder
EWS Delete Bypass and no-start problem finally solved. . . A DME would cost about $30 Only problem is, people know this and the on of the very first things that gets snagged is the DME So I constantly searched for a red label DME One day they put a VANOS M50 E34 on the lot I got there the very same day, but the DME was gone I also searched Craig's List I finally found one from a 93 325i and got
Bad DME? - BimmerFest BMW Forum Could be a bad DME, bad wiring, missing supply or ground The answer below the codes states that the valvetronic motor killed the DME output but I don't think that's the case since there is another message stating that the position sensor isn't readable, which is not related to the motor issue Plus the DME outputs are well protected Also no message from instrument cluster is interesting