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RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15 bentley-bentayga-speed--2019-present--6-0l-twinturbo-w12-esr6746698 0 TFSI (4M8)

RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15 bentley-bentayga-speed--2019-present--6-0l-twinturbo-w12-esr6746698 0 TFSI (4M8)

SKU: 7830735257

4.3

USD1230.00 USD1257.00

Pay in 4 interest-free payments of $307.50 Learn more

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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

Live Spec

RENNtech Intermediate ECU Upgrade | X166 | GL63 AMG | SUV | 638 HP / 695 LB-FT | M157 | 5.5L V8 BiTurbo | MY2013-15 bentley-bentayga-speed--2019-present--6-0l-twinturbo-w12-esr6746698 0 TFSI (4M8)Intermediate ECU Upgrade Up to 638HP 695LB FT Gains: +64HP & +72LB FT RENNtech M157 Biturbo ECU+ Upgrades are TV approved! Our proprietary ECU+ upgrade for the Mercedes M157 Biturbo 4 MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our intermediate level ECU upgrade offers huge gains in performance across the entire RPM range without sacrificing around town

Store: firemistltd.co.uk · Domain: firemistltd.co.uk

Description

0 TFSI (4M8)

Drive longer between cool-down periods

This highly integrated prepreg carbon fiber spoiler compliments the sophisticated and refined CL exterior design language

We have found the M276 engine stock performance numbers vary from the baseline figures claimed by Mercedes-Benz

Exchange/Return Notes