Eliminates timing pull, oxygen sensor miscalibration, check engine lights and tuning headaches associated with high flow exhaust systems. Installs in the ECU area and is compatible with all BMW tunes and chips. Compatible with all N54 twin turbo motors. Not compatible with 2011+ N55 twin power turbo motor.
The JB4 tuning system includes this functionality built in so a DPFIX is not required if you are already running a JB4 Performance Tuner!
By purchasing this product you agree it will not be used to
facilitate the removal or defeat of any emissions control systems. Use
subject to BMS'
terms and conditions.
Not legal for use on pollution controlled vehicles.
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