// frequently asked questions
Frequently asked questions
The answers below cover the questions we get asked most often about our products. For anything else, drop us a line.
Swirl Flaps for 4-Cylinder Engines (BMW M47)
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OEM flaps have the shaft secured with small screws that loosen from heat cycles and end up in the intake tract, destroying the engine. Our design has the flap and shaft as a single piece — there are no screws to come loose.
A mechanic experienced with BMW diesels installs the set in 2–3 hours. It requires removing the intake manifold.
Yes. The kit includes shaft seals for sealing the flap shaft.
Yes, we recommend the Victor Reinz M47 Gasket Set and the EGR gasket.
Yes, as long as the plastic support of the intake manifold is intact.
Yes. Every M47 engine variant (including M47N2) is covered.
Yes, we ship via DHL across Europe.
Romania: 3-4 working days. International: 5-7 working days via DHL.
Swirl Flaps for 6-Cylinder Engines (BMW M57)
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Yes, this kit is specifically for 22mm swirl flaps — check the diameter of your existing flaps before ordering.
Send us your VIN. Alternatively, physically check the bore diameter on the intake manifold.
It depends on the exact variant. Send us your VIN for confirmation.
No. Our flaps are for M47/M57 engines built 1999-2010.
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