Castrol EDGE 5W-30 A3/B4 is an advanced full synthetic engine oil formulated for highly tuned four cylinder and latest technology engines both naturally aspirated or turbocharged. Formulated with Fluid Titanium Technology, this unique formulation’s adaptive strength reduces metal to metal contact across a range of different driving speeds, lowering friction and maximising engine performance.

The unique characteristics of Castrol EDGE 5W-30 A3/B4 ensure that all engine components, from the valve train to the bearings are fully lubricated to provide optimal engine performance and protection. Castrol works closely with leading car manufacturers to co-develop high-performance oils, and for that reason, Castrol EDGE is trusted and recommended by manufacturers including Audi, Jaguar, Land Rover, Volkswagen and Volvo.

Castrol EDGE 5W-30 A3/B4 is formulated for highly tuned four cylinder and latest technology engines for both petrol and diesel (Without DPF) passenger and light commercial vehicles, naturally aspirated or turbocharged and where the manufacturer recommends an ACEA A3/B4, BMW Long-life – 01, VW 502 00/ 505 00, MB Approval 229.3, 229.5 or earlier specification 5W-30 lubricant.