BMW 840i

Custom ECU Tune

$1,399.00

Stage

Stage 1: ECU Tune $1,399.00 Stage 2: ECU Tune $1,499.00

Horsepower 420HP

335 HP +85

FactoryMomentum Tuned →

Torque 447LB-FT

332 LB-FT +115

FactoryMomentum Tuned →

[ Optional Add-Ons ]

Transmission (TCU) Tune Quicker shifts, raised torque limits, removes factory clutch & torque cuts. + $1,399.00

Complete the build

Recommended for your BMW 840i

View all BMW 840i parts →