RENNtech ECU Upgrade for S 65 (W221- 670 HP / 840 LB-FT) bentley-bentayga--2016-present--6-0l-twinturbo-w12-esr8256580 Through extensive dyno and road
RENNtech ECU Upgrade for S 65 (W221- 670 HP / 840 LB-FT) bentley-bentayga--2016-present--6-0l-twinturbo-w12-esr8256580 Through extensive dyno and roadRENNtech ECU Upgrade for 221 S 65 AMG. Up to 670HP and 840TQ. Gains: +49HP & +102LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software
USD975.00
USD1005.00
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4