Stage 2 BMW 335i E90 MSD8x 0044CC0IGD0SIGA7S Stage 1 & 2 ECU Files | Siemens Tricore | CMD Flash Slave SIGA7S

• Stage 1 and Stage 2 calibrations included in one package
• Boost, torque and fuel models refined separately per stage
• Lambda and rail pressure aligned to support intake mods
• Pop&Bang logic excluded — focus on power & smoothness
• Checksums validated with OLS818 for CMD Flash Slave deployment​

A dual-calibration pack for the BMW 335i equipped with Siemens MSD8x ECU.
Stage 1 is designed for completely stock hardware, while Stage 2 supports moderate bolt-ons.
Both files preserve full drivability, diagnostics and OEM-like safety functions.
Checksum integrity verified using OLS818. CMD Flash Slave-ready.​