The Shell Helix HX7 Professional AV 5W-30 was designed to meet the specific manufacturer requirements of certain high-performance engines, especially those made by Audi and Volkswagen. Shell Helix HX7 Professional AV 5W-30 provides your vehicle with a bespoke lubricant that offers distinct advantages over the market-proven multipurpose oils. Shell Helix HX7 Professional AV 5W-30: â • Designed to meet the demanding requirements of certain high-performance engines, particularly those made by Audi and Volkswagen, and those requiring ACEA A3. • Has undergone extensive testing to achieve approval in accordance with the VW 502.00 / 505.01 specifications to obtain. Specifications: ACEA C3; VW 502.00 / 505.01