Stage 1 BMW 118i F20 MEVD17.2.5 527856 + Pop&Bang ECU Tune | Bosch MED17 | CMD Flash Slave 527856

• Stage 1 Pop&Bang version added with rev-matched crackle on overrun
• Ignition delay logic updated in Sport and Manual drive modes
• Main Stage 1 performance file updated for smoother midrange pull
• Checksum verified with OLS807 — CMD Flash format tested​

This dual-calibration file set includes Stage 1 and Stage 1 + Pop&Bang variants for the BMW 118i 1.6T on MEVD17.2.5.
Stage 1 increases throttle response, torque and boost management.
Stage 1+P&B enables exhaust crackle only in dynamic modes.
Delivered in CMD Flash Slave format with verified OLS807 checksums.​