Complete 8HP45 Swap Hardware Kit for BMW E46 with M50, M52, M54 Engines

Looking to upgrade your BMW E46 to the modern and robust 8HP45 automatic transmission? This complete hardware kit includes all the essential components you need to bolt an 8HP45 gearbox to your BMW E46 with an M5X series engine (M50, M52, M54, etc.).

What’s Included

• Starter Motor Adapter – Precisely machined adapter to align your starter motor correctly with the 8HP bellhousing.
• Lightweight Flywheel – Designed to fit perfectly with the 8HP torque converter and M5X crankshaft for smooth and efficient power delivery.
• Transmission Mount Bracket – A custom gearbox mount to position the 8HP45 securely in your E46 chassis.

Key Benefits

• Everything you need in one box for a hassle-free 8HP45 swap
• Direct fit for BMW E46 models with M5X engines
• Premium quality components designed for strength and durability
• No guesswork — engineered to fit together perfectly

Compatibility

• BMW E46 with M50, M52, M54 engines
• Other custom BMW projects using M5X blocks (contact us for details)

Note

This kit covers the complete hardware side of the swap. Additional parts such as wiring, transmission controller (like CANTCU), and driveshaft modifications may be required to complete your project.

All parts included in this kit are also available individually on our webshop. 

Order Now

Get your BMW E46 ready for modern transmission performance! Add this complete 8HP45 swap kit to your cart today or check out the individual parts if you only need specific components.

Questions? Contact our team — we’re happy to help with any technical advice or special requirements.