Seal / Gasket for Thermostat Lid BMW 335i, N54, N55, S55 M4 OEM / Interchange Numbers: 11428637821

OEM / Interchange Numbers: 11428637821

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We're talking about a direct swap that uses your OE oil filter

Enhance the aesthetic appeal of your N54 N55 S55 engine bay with these precision-machined aluminum oil thermostat lids and caps

It's the MaLo Racing Valve's knack for maintaining a steady flow of oil to your heat exchanger

Seal / Gasket for Thermostat Lid BMW 335i, N54, N55, S55 M4 OEM / Interchange Numbers: 11428637821Well, my friend, this seal has got your back. Its the perfect match for your oil thermostat lid, forming a tight seal that laughs in the face of oil, chemicals, and heat. So whether you're cruising down the highway or tearing up the track, you can trust that this seal will keep everything running smoothly. With these bad boys in your arsenal, you can switch back and forth between your stock setup and the MaLo Racing Valve without missing a beat. It's