RENNtech ECU Upgrade | E 400 | W212 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276 | MY2014-2016 mercedes-benz-gle-class--167---2021-present--gle-53-amg-esr4846830 For many the BMW M3

For many the BMW M3 is the iconic performance car from the BMW M division

Rated by RENNtech:              714 HP @ 6

the Evolution system dramatically changes the power-to-weight ratio

RENNtech was able to significantly increase the area under the curve

RENNtech ECU Upgrade | E 400 | W212 | 392HP/432LB-FT | 3.0 L BiTurbo V6 | M276 | MY2014-2016 mercedes-benz-gle-class--167---2021-present--gle-53-amg-esr4846830 For many the BMW M3RENNtech ECU Upgrade for 212 E 400 BiTurbo 4 MATIC. Up to 392HP and 432LB FT. Gains: +63HP & +78LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the