DIESELR MPVI3 E46 Tune Files (2020-2022 Duramax LM2 3.0L)

Unlock the full potential of your Duramax LM2 3.0L engine with DIESELR MPVI3 E46 Tune Files. This advanced tuning solution requires an E46 ECM unlock service (sold separately) to optimize your vehicle's performance and improve fuel efficiency. Tune your engine with confidence using this trusted product from DIESELR.

• Requires E46 ECM to be unlocked (sold separately)
• Requires 6 HP Tuners Universal Credits (sold separately)
• Levels 1, 2 or 3