EWS and NON-EWS - BMW Forum

saylee · 06-01-2008, 10:58 PM

i was wondering if it would still be the same if i was to use a non ews ecu on my car....?? the thing is that, if my ecu was a non-ews than the ecu label would red...right..?? please help me out...thanks....

darkhorse737 · 06-01-2008, 11:15 PM

not a wise idea. pin configurations are different fr ECU to ECU; mapping might be different as well.

There's a reason why you have EWS spec on your car. You deviate from that, you run the risk of shorting out other components that are outboard, and then you are screwed!

saylee · 06-01-2008, 11:43 PM

oh snaps...thanks...but then to tell the both apart....the EWS is silver labeled right...?? but does that mean that where the serial number and code label is located should be silver..??

darkhorse737 · 06-02-2008, 12:03 AM

yes.. if you took out a part with a silver label, then change tha part with the silver label as well... just ur luck, there's one on eBay just now with a $49.99 bid item # 1602245453432 ;-)

*best way is to go by the part # that you see on the label... you can't go wrong with that

saylee · 06-02-2008, 04:04 AM

good lookin darkhorse...thanks for your help....i guess mine is a EWS PROTECTED cause its a silver box the the silver serial but, i see other ecu's online and all of them look exactly like mine kind of but they have that sticker there at the bottom left hand corner but i wonder i dont have that..??

eBay Motors: BMW ECU DME 413 GREEN Label E34 525i E36 325i 326IS M3 (item 220240824634 end time Jun-06-08 21:15:00 PDT)

oh yea and also...my ecu has the number on the label as well..its 3 numbers which say 616...but how come the others dont have it?? this confuses me

eBay Motors: BMW 413 SILVER DME motronic ECU E34 525 E36 325 M3 EWS (item 160245453432 end time Jun-04-08 18:49:34 PDT)

darkhorse737 · 06-02-2008, 10:34 AM

The # you should be using is the part # where you have the barcode. Go by the part # and you can't go wrong. all other labels elsewhere would maybe be stickers used for stocking, cataloging, and the like.

*you do know that you need to match your key to the ECU when installing the EWS, right?

** Can I ask why u are replacing ECU? Did it burn?... how?

saylee · 06-03-2008, 01:15 AM

no..im trying to get a chip for my ecu but i didnt know it was an EWS

darkhorse737 · 06-03-2008, 09:38 AM

ahh... chip sellers go by the part # you see on th barcode sticker and color of the label.

Silver color is EWS :-)

saylee · 06-03-2008, 05:48 PM

Quote:

Originally Posted by darkhorse737

ahh... chip sellers go by the part # you see on th barcode sticker and color of the label.

Silver color is EWS :-)

Dude...thank you so much....but i dont understand, how come my 325's a 94 but its a EWS...A lot of people said that EWS is equipped in 95's and over

darkhorse737 · 06-03-2008, 09:34 PM

Quote:

Originally Posted by saylee

Dude...thank you so much....but i dont understand, how come my 325's a 94 but its a EWS...A lot of people said that EWS is equipped in 95's and over

if production date of your bimmer is 06/94 or later... then that is considered '95.

Seriously, if u are in doubt, call a BMW dealer and give them ur VIN. they should be able to tell you whether it is EWS or not ;-) - for free :-D

saylee · 06-06-2008, 05:43 PM

Thanks Dark Horse....