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View Full Version : Larger throttle body on E39?



Overkill
March 19th, 2015, 07:51 AM
Hey guys, anyone have experience with putting a larger throttle body on an E39 equipped vehicle?

The typical ETC scalar is missing, might not be used anymore?

This is to put on another GM application throttle body, where in the E67 and E38s its a simple ETC scalar and Minimum Required Airflow tuning change.