BMW M135i N55 F20 Tuning

Engine Tuning

Stage 1 TRS Engine Tune

STG 1 Power increased to 380-400BHP and 620NM of torque when using 99 RON fuel.

Dyno graph featured shows car tuned on 95 RON fuel

*Power figures are climate, fuel quality and vehicle dependant, earlier cars using numatic wastegate control will typically make 15HP less than the later electronic waste gate cars.

*Power figures are real figures we have seen on our dyno, these numbers are sometimes less than seen on other more optimistic dynos.

Stage 2 TRS Engine Tune

STG 2 Power increased to 400 - 420BHP and 620NM of torque when using 99 RON fuel.

*Power figures are climate, fuel quality and vehicle dependant earlier cars using numatic wastegate control will typically make 15HP less than the later electronic waste gate cars.

*Power figures are real figures we have seen on our dyno, these numbers are sometimes less than seen on other more optimistic dynos.

Necessary Hardware upgrades for Stage 2 are:

• Free Flowing Downpipe/Sports-Cat
• Upgraded Intercooler

Features include:

• Enable Overrun in Drive/Sport/Sport+/Manual (Any Mode required)
• Change Overrun Duration
• Change Overrun Aggression
• 95RON, 97RON and 99RON Fuel Quality available. Other's on request
• Linear throttle response in Sports/Sport+ Modes
• Reduced Torque in lower gears to aid traction
• Cold start removal
• Remove vehicle top speed
• Manipulation of Exhaust Valve - Always open in Sports Mode

XHP Gearbox Tuning Packages

Priced at  £300 inc VAT

STG1 Road/Comfort Transmission Tune:

• Added Gear-Display in D-Mode
• Increased Torque Limiters
• Raised Clutch Pressure for in-put torque

STG2 Sport Transmission Tune:

• Added Gear-Display in D-Mode
• Increased Torque Limiters
• Raised Clutch Pressure for in-put torque

STG3 Sport+/Track Transmission Tune:

• Added Gear-Display in D-Mode
• Increased Torque Limiters
• Raised Clutch Pressure for in-put torque
• Reconfigured Logic, similar to M-Car
• Shift-points optimized in D
• Full Manual Mode when in M/Sport+
• DTC off and DSC off activates the fastest shifting routines
• Improved Launch Control