BMW CAS4 mileage reset via OBD with MINI ACDP

Purpose: BMW CAS4 mileage reset via OBD.

Need:

Yanhua ACDP basic unit + CAS4 module 1

M35xx eeprom adapter

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CAS4 mileage reset method: via OBD

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Procedure:

Part 1: mileage reset in CAS4.

Part 2: modify mileage in dashboard (required)

If only reset mileage in CAS4, not the dashboard, when you start the car, the mileage will restore to the old value.

 

Part 1: mileage reset in CAS4

Mini ACDP software selection

On the home menu, select “BMW”.

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CAS1-4

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CAS4 /CAS4+

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OBD mode.

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IMMO / Mileage.

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Reset Mileage.

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The left job is easy, just follow the Mini ACDP on-screen instruction to complete.

 

Part 2: modify mileage in dashboard.

How to: Dismantle the BMW dashboard, remove the M35XX chip to read the old mileage value, then write new value.

 

Click on “M35XX”.

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The following list are dashboard chip types:

M35080

M35080 V6 / VP

080DOWQ

080DOWT

160DOWQ

160DOWT

M35128

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Here are function menu:

Backup data

Recover data

Modify mileage

Open HEX Editor

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For the newest BMW with 35160WT dashboard, it requires Simulator to reset the mileage.

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Source of Yanhua YH35XX Programmer+ Simulator:

http://www.obdexpress.co.uk/wholesale/yanhua-yh35xx-programmer-simulator-35128wt.html

 

Enjoy

 Source:http://blog.obdexpress.co.uk/2019/12/26/bmw-cas4-mileage-reset-via-obd-with-yanhua-acdp/

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