BMW F80 M3 & F82/F83 M4 PSM Style Carbon Fiber Front Lip BMW 4-Series throaty sound with the valve

throaty sound with the valve open and a more subtle sound when closed

Porsche Notes

One of the standout features of the VF-Engineering M3 Supercharger is its high-displacement bypass valve

and replace it with these (clips in)

8 KG and is therefore approx

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