Stage 1 Performance Package

BMW G20 / G21 / G22 M340i & M440i + G42 M240i (B58)

Unlock the true potential of your BMW B58-powered G-series with our Stage 1 Performance Package, engineered to deliver massive gains in power, throttle response, and transmission performance—all in one perfectly matched bundle.

This package combines industry-leading hardware and software for a complete, plug-and-play upgrade path that transforms how your car drives from the first pull.

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🚀 What’s Included

🔧 Evolution M Downpipe (Your Choice)

Choose the setup that best fits your build and local requirements:

• Catless Downpipe – Maximum flow and power

• Catless Downpipe with Heatshield – Added thermal protection

• 200-Cell High-Flow Catted Downpipe with Heatshield – Increased Performance with improved filtering of smell and sound. 

Designed specifically for the BMW B58 engine, the Evolution M downpipe dramatically reduces backpressure, improves turbo spool, and unlocks substantial horsepower and torque gains.

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🧠 MHD Super License (B58)

• Flash custom Stage 1 maps in minutes

• Increased horsepower & torque

• Faster throttle response

• Adjustable burble, cold start, and exhaust settings

• Supports future tuning upgrades

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🔌 MHD Adapter

• Required for flashing MHD and xHP via OBD

• Fast, stable, and reliable connection

• Works seamlessly with the MHD app

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⚙️ xHP Transmission Flash (ZF 8-Speed)

Transform your ZF 8-speed gearbox with:

• Faster, firmer shifts

• Optimized shift logic for tuned power levels

• Improved launch behavior

• Better performance in Sport & Manual modes

This is one of the most noticeable upgrades in daily driving and aggressive runs.

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💰 Bundle & Save

When you purchase this Stage 1 Package, you’ll receive a discount on the Evolution M downpipe compared to buying each component separately—more performance, better value.

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✅ Vehicle Compatibility

• BMW G20 / G21 M340i

• BMW G22 / G23 / G26 M440i

• BMW G42 M240i

• Engine: B58

• Transmission: ZF 8-Speed Automatic

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🔥 Why This Stage 1 Package?

• Proven power gains

• Perfectly matched hardware + software

• Future-ready for Stage 2 upgrades

• No guesswork—everything you need in one box

If you want the best Stage 1 upgrade for your BMW G-series B58, this package delivers performance you can feel every time you hit the throttle.