70mm Alloy Tube - 1 Metre Length BMW 3 Series E36 With this in mind

With this in mind

(OEM Part Number: 1K0407152BG)

This included a tear drop cavity around the bonnet release mechanism to ensure that the airflow stays fast and laminar on its way to the filter element

this equates to increases of up to 20bhp along with power and torque being increased through the entire rev range which is a remarkable gain for an easy to fit bolt on modification

Reinforcing material: Polyester

70mm Alloy Tube - 1 Metre Length BMW 3 Series E36 With this in mind70mm Alloy Tubes Technical Details Outside diameter 70mm Essential to racecar and kitcar builders, and those installing their own intercooler conversions. Straight 1 metre lengths of aluminium alloy tube in a range of popular sizes. The tube is cut to 1 metre length, ends de burred, but otherwise in its "raw" state. Not polished or swaged. All tube is 16gauge, equivalent to 1. 5mm wall thickness. Grade is HE9. Drawing for reference only.