Bull Boost Performance
N54 N55 T4 Single Turbo Top Mount Hot Parts Kit 44mm WG For BMW E F Series 135i 335i
N54 N55 T4 Single Turbo Top Mount Hot Parts Kit 44mm WG For BMW E F Series 135i 335i
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T4 Single Turbo Top Mount Hot Parts Kit 44mm WG Port For BMW N54 N55 With Downpipe kit –
*Patent Pending*
Introducing our newly released patent pending T4 Top Mount Turbo Hot Parts Kit designed specifically for BMW N54 and N55 engines. This kit is engineered for enthusiasts upgrading to a single turbo setup, offering superior fitment, durability, and performance gains.
Key Features:
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T4 turbo flange top-mount design for optimal turbo placement and heat management
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Integrated 44mm wastegate port for accurate boost control and easier plumbing
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Compatible with both BMW N54 and N55 platforms
- Dual O2 sensor ports on each side of the manifold for full tuning and monitoring flexibility
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Includes provisions for downpipe connection to simplify installation
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Constructed from high-temperature resistant materials for maximum durability under extreme conditions
This kit is ideal for street, track, or high-horsepower builds seeking a solid foundation for single turbo conversion.

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