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Rear O2/SAP handling (off-road only)
Launch Control
✅ Power Output: ~380 HP / 390 lb-ft (530 Nm)✅ Optimized fueling
What we change: Throttle mapping
VNT / boost control
06–08 Z4 M S54 MSS70 N/A Tune – Stage 1/2/3 E52 Rear O2/SAP handling (off-road only)BMW Z4 M Coupe Roadster (20062008) custom MSS70 ECU tuning by Poverty Built. Stage 1 (OEM+), Stage 2 (intake exhaust), and Stage 3 (CSL intake + AlphaN) deliver OEMsmooth drivability, sharper throttle response, and conservative, datadriven gains on the S54 for street and track builds. Fits: 20062008 E85 Z4 M Roadster S54B32, MSS70 20062008 E86 Z4 M Coupe S54B32, MSS70 What Poverty Built does for this platform: Poverty Built focuses on smooth
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