Castrol Magnatec 5W-30 a3/B4 intelligent molecules cling to critical engine parts to provide an extra layer of protection. With up to 75a of engine wear happening whilst your engine's warming up, Castrol Magnatec's molecules are always there, always ready, drastically reducing* engine wear during this critical start-up and warm-up period.
Castrol Magnatec 5W-30 a3/B4 combining Intelligent Molecules and fully synthetic technology:
- Clings to your engine forming an extra layer that protects during warm-up and beyond
- Bonds to metal surfaces making engine parts more resistant to wear
- Combine with synthetic technology to provide increased protection in high and low temperature applications
- Provide continuous protection for all driving conditions, styles and temperatures
- Provides superior performance under extreme cold start up conditions
- aPI SL/CF
- aCEa a3/B4
- BMW Longlife-01
- MB-approval 229.3kg
- RENaULT RN0700
- Meets FIaT 9.55535-G1
*as tested against the industry Sequence IVa wear test.