BMW E84 E90 Cruise Control System Retrofit

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

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Preparations:

2021 BMW Rheingold ISTA-D 4.31.21 4.23.14 ISTA-P 3.67 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)

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After using NCS software add FA,coding for DSC

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Coding for KOMBI

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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

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