BMW 4.0i V8 Tuning

Supported in 2 BMW models, 2006+.

BMW

4 supported 4.0i V8 applications

Models With the BMW 4.0i V8

All Supported BMW 4.0i V8 Tunes

Supported BMW 4.0i V8 applications
3-serie2008+E90-LCI420 hpECU Siemens MSS60AutoTuner
3-serie2008+E90-LCI420 hpTCU Temic DKG436 Gen1AutoTuner
M32006+E92420 hpECU Siemens MSS60AutoTuner
M32006+E92420 hpTCU Temic DKG436 Gen1AutoTuner

About BMW 4.0i V8 tuning

We tune the BMW 4.0i V8 in 4 applications across the 3-serie, M3, from 2006+, in gasoline form, with stock outputs of 420 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.

This engine runs on: Siemens MSS60, Temic DKG436 Gen1.

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.