C43, C450, E43, E450 AMG, C400, E400 M276 ECU Tune e55

C43, C450, E43, E450 AMG, C400, E400 M276 ECU Tune e55M276 RaceIQ ECU tune. Compatible with most all cars with the M276 engine: C43 AMG, C450 AMG, E43 AMG, E450 AMG, C400, E400 Dyno tested Better throttle response Customized to your vehicles modifications Instant power gains Top speed governor removed Optimized timing and fuel maps Gains about 39hp & 59ft lbs tq on stock engine

Designed to stop the slipping of the belt under boost pressure to maintain maximum boost under full throttle and brace the weak factory double idlers

High quality Nachi bearings are used and only double bearings seals are used to protect bearings from heat and dirt

or E class with AMG rear bumper

The quicker shifting also benefits the transmission because there's a lot less slippage shifting between gears

Prevents loss of boost under full throttle

By decreasing the size of the pulley

Flash tune in the comfort of your own garage via the OBDII diagnostic port of your vehicle using My Genius handheld programmer

suitable for daily driving

2003-2008 M113K AMG E55

Firmer shifts

the higher horsepower

Customized to your vehicle's modifications