The m50 family is notorious for having disa valve problems.
Get 2004 Bmw Z4 Disa Valve
PNG. The disa valve controls the path the air moves through the intake system and into the engine. Anyone know any info on the disa valve.
Air Intake Manifold Runner Control Disa Valve For Bmw E46 E53 E60 E83 E85 X3 X5 Z3 Z4 325i 330i 530i Intake Manifolds Engine Parts from i3.wp.com
Air intake manifold adjuster control unit disa valve bmw e46 330 e39 x3 x5 3.0 i. The disa valve adjusts the intake manifold runner length to improve performance. The disa valve is a strange little device for bmas that alters the volume of the intake manifold.
01:10 testing the disa valve on my 2004 bmw 325i m54.
Yes the disa valve controls the variable length intake manifold on the m42/m44 motors. Located inside the intake manifold, it gives better torque at low revs by closing keeping the intake runner long i have a 2004 525i and am wondering where i can buy a disa valve (besides bmw) and if it's hard to change. I drive a 2004 bmw z4 3.0i. Bmw car stereos & head units for bmw z4.
