LEIB OPF Deleter for BMW G29 Z4 M40i B58TU - Plug & Play GPF/OPF Delete Emulator, No Tune, No CEL (2019+) PN 1259212198 E91 335i and the feedback has been

and the feedback has been consistently brilliant

Designed specifically for the AC Schnitzer carbon rear aerofoil on the M4

Notes: Follow your vehicle manufacturer service schedule and oil specification

ACS pedals

LEIB OPF Deleter for BMW G29 Z4 M40i B58TU - Plug & Play GPF/OPF Delete Emulator, No Tune, No CEL (2019+) PN 1259212198 E91 335i and the feedback has beenLEIB Z4 M40i G29 B58TU GPF Bypass Module Unlock the soundtrack and flow you want from your BMW Z4 M40i without touching the factory calibration. The LEIB GPF bypass module is a smart, clip in electronics solution that lets you run a particulate filter free exhaust on the B58TU powered G29 while keeping the engine management light off and drivability stock smooth. No coding, no remap, no wire cutting. Just proven hardware that works. Part number: