Specialty Engine Oil Additive Targeted at the BMW Vanos System Size:1.25 Ounces API SN/SM and ILSAC GF-5

API SN/SM and ILSAC GF-5 references represent performance targets against which Cermax is formulated — Cermax does not currently carry specific API SP

✅ Dual-Phase Engine Protection Technology

and visually and physically confirm the chamber is empty before any disassembly

Cerma STM-3 Engine Treatment — one-time ceramic engine treatment for comprehensive engine internal protection

Not recommended for: performance turbo applications (aftermarket turbos

Specialty Engine Oil Additive Targeted at the BMW Vanos System Size:1.25 Ounces API SN/SM and ILSAC GF-5Specialty Engine Oil Additive Targeted at the BMW Vanos System Cerma STM 3 Vanos Treatment is a specialty engine oil additive formulated specifically for BMW vehicles equipped with the Vanos variable valve timing system. Pour the treatment directly into the engine oil; it circulates through the lubrication system that feeds the Vanos solenoid valve passages, supporting Vanos system function with the same STM 3 SiC ceramic technology used across the