A common modification is to delete the ASC from your E36 or E30 24v swap car. When you delete the ASC unit, you will need to swap this intake tube on to make it all work. This boot is longer since you will be deleting the secondary throttle body.
For 2015-2016 BMW 228i xDrive Intake Manifold Original 36193FSNS Intake Manifold
BMW E30 Headlight Intake | Head Light Velocity Stack | Replaces OEM 63121385817
OEM Elring German Made For BMW E46 E39 Intake Manifold Gasket Set 11611436631
For BMW (2019-2023) Intake Manifold Gasket (4) ELRING KLINGER + 1 YEAR WARRANTY