Powerflex Road Series Rear Subframe Rear Bush Insert – BMW F20 | F21 1 Series | F22 | F23 2 Series | F30 3 Series | F32 | F33 | F36 4 Series 6 Series (F06) distinctly different from the stock

distinctly different from the stock system

- 10-15% fuel econmoy improvement

This smooth reduction in cross sectional area invokes the Venturi effect where the airflow accelerates whilst maintaining laminar conditions

The first objective was met by enclosing the filter inside a carbon airbox and using the stock seal against the hood to block out the heat soak from the engine

2x Aluminium Cowls for smooth airflow entry

Powerflex Road Series Rear Subframe Rear Bush Insert – BMW F20 | F21 1 Series | F22 | F23 2 Series | F30 3 Series | F32 | F33 | F36 4 Series 6 Series (F06) distinctly different from the stockPrices shown are per bush. 2 bushes are required This is a polyurethane insert that fits into and fills the voids in the original bush to reduce subframe movement. OEM Part Number: 33316792510 Suitable for: M135i M140i M235i M240i 335i 340i 435i 440i