BMW E84 E90 Cruise Control System Retrofit

This instruction show you guide on how to retrofit cruise control system for BMW E84 E90 vehicle.

Preparations:

2024.08 BMW Rheingold ISTA+ 4.48.40 4.23.14 ISTA-P 3.71 Free Download

NCS Expert BMW Coding Software Download

 

 

Procedures:

Install SZL

Run BMW NCS software add FA

3 series E90 cruise control system retrofit need add code”540”

X1 E89 cruise control system retrofit need add code “544”.(some E89 X1 also use “540” code)

After using NCS software add FA,coding for DSC

Coding for KOMBI

 

Read trouble code by ISTA diagnostic software,it will show “005E50”

Error Code 005E50 – DSC: Steering-angle sensor: serial number; calibration required

 

You need use ISTA to calibrate DSC

Operate–>Service–>02 Chassis

Select “Steering angle sensor”…

Select “ABL” and follow the guide to perform calibration

auto

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