VAICO Intake Manifold Module V20-3524 for BMW 1, 3, X1. Item: Intake Manifold. Specification of this Intake Manifold. X1 E84 09-15. BMW 1 E81 06-11. The only way to be 100% sure that the part will fit your vehicle is to check the part number (OEM Number) on your original unit matches one of the above.