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Old 06-20-2013, 05:39 AM
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Drewsky Drewsky is offline
Officially Welcomed to the 'Fest
Location: Tampa, FL
 
Join Date: Mar 2002
Posts: 331
Mein Auto: '14 X3 35i-M Space Grey
Quote:
Originally Posted by Masterx5 View Post
Naive question - how do you code F25.....can this be done at home and what is needed.
So to code, basically you need to get a special ethernet cable that hooks up to your laptop network port on one side and your x3 diagnostic port on the other. You then need to acquire the BMW E-Sys software and purchase a token. From there you can enable/disable/modify functions of various parts of the vehicle. there is a huge amount of information out there on e-sys, getting the cable, and the data files so I wont go over all of that here.

Quote:
Originally Posted by aberrant View Post
And, more importantly, does it void your warranty?
it is like any other part of vehicle warranty: the onus is on the manufacturer to prove that what you did caused what the warranty claim is for. If you fail a code writing and brick a module, then likely you will have to pay for it, but if you, say, code to disable the power window "safety" roll-up stop and your transmission blows out, the two are not related and you would still have a valid warranty claim. Hope that makes sense.
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