STEINBAUER application

BMW Z4 M40i

3.0L B58 EUR6

STEINBAUER performance module for the BMW Z4 M40i 3.0L B58 EUR6, designed to provide increased power and torque while retaining the original ECU programming and factory engine safeguards.

Key benefits

  • Up to +25% power and torque increase, depending on application.
  • No ECU software overwrite — the STEINBAUER system works alongside the original engine management.
  • Injection duration module developed to add performance without generic one-size-fits-all mapping.
  • Removable solution that can be removed if required.
  • Application-specific development for the individual engine and vehicle or machine application.
STEINBAUER Performance comparison
Power (BHP)
1,000 2,000 3,000 4,000 5,000 BHP Engine speed (RPM)
Illustrative car engine-speed curve
Standard 335 BHP
STEINBAUER 402 BHP
+67 BHP
Torque (Nm)
1,000 2,000 3,000 4,000 5,000 Nm Engine speed (RPM)
Illustrative car engine-speed curve
Standard 500 Nm
STEINBAUER 600 Nm
+100 Nm

STEINBAUER Technology

  • External ECU technology — Works alongside the original engine management system without permanently rewriting the factory ECU software.
  • Load-dependent performance — Additional power and torque are delivered progressively as engine demand increases.
  • Application-specific calibration — Developed specifically for the individual engine and application rather than using a generic universal setting.

Illustrative simulated performance graphic based on published application data. Curves are illustrative and are not measured dyno traces.

Vehicle specification

Vehicle details

Manufacturer
BMW
Model
Z4 M40i
Engine
3.0L B58 EUR6
Displacement
2,998 cc
Steinbauer specification

STEINBAUER Module details

Part number
240037
Installation
Plug-in
Availability
Available
Engine management
Factory ECU retained
Module Warranty (3 years upon registration)
1 year

Installation guides

Installation instructions for STEINBAUER part number 240037 .

Login required. Installation guides are available to registered STEINBAUER customers, dealers and administrators.
240037 PDF installation guide · EN Login to download
Power and torque upgrade

BMW Z4 M40i tuning and power increase

The STEINBAUER Power Module is designed for drivers and operators looking for a BMW Z4 M40i power increase without replacing the factory ECU software. The module works alongside the original engine management system and can be removed to return the vehicle or machine to its standard configuration.

For this application, published performance data shows power increasing from 335 BHP to 402 BHP, with torque increasing from 500 Nm to 600 Nm.

If you are searching for a BMW Z4 M40i tuning module, this page contains the compatible STEINBAUER part number, installation information, performance figures and available accessories for this exact application.

Explore more

Related BMW applications

View all Z4 M40i applications →
Part 230039 BMW 114d F20 1.5L EUR6 (Past-2019) 94 → 113 BHP View application → Part 220696 BMW 114d F20 1.6L 94 → 113 BHP View application → Part 220696 BMW 114d F21 1.6L 94 → 113 BHP View application → Part 220591 BMW 114i F20 1.6L 101 → 121 BHP View application → Part 220591 BMW 114i F21 1.6L 101 → 121 BHP View application → Part 220002 BMW 116d E81 2.0L 114 → 137 BHP View application →
Why choose STEINBAUER?

Intelligent performance technology

More power

Increased performance where applicable for stronger acceleration and improved working capability.

More torque

Improved pulling power throughout the usable engine speed range.

Safe and reliable

Original ECU programming and factory engine safety parameters remain active.

Removable installation

The vehicle or machine can be returned to its original factory configuration.