bootmod3 N55 Tune – BMW M135i M235i 335i 435i 535i M2 N55 (Non Comp)

The bootmod3 N55 Tune delivers outstanding gains for BMW’s iconic N55 engine found in the M135i, M235i, 335i, 435i, 535i and M2 (non-Competition). Designed to unlock factory limitations, this tune provides big increases in torque and horsepower, sharper throttle response and improved turbo efficiency across the entire rev range.

Key Features

Big Performance Gains

– Dramatically stronger mid-range
– Faster spool and improved throttle feel
– Multiple map options including E30 and full bolt-on setups

Full bootmod3 Control

– Map switching
– Adjustable burbles
– Customisable cold start
– Extensive datalogging and diagnostics

Smooth Power Delivery

– More linear and responsive
– OEM reliability preserved
– Works perfectly with stock or upgraded hardware

Benefits

bootmod3 transforms the N55 into the engine it should’ve been — fast, responsive and aggressively torquey across all driving scenarios.

Fitment

– BMW M135i, M235i
– BMW 335i, 435i, 535i
– BMW M2 (N55, non-Competition)

Installation Notes

– Downpipe/intercooler mods recommended for higher stages
– OBD unlock required on older ECUs