XSS 10w40 Currently widely called for, this hi-synthetic engine oil is specifically designed for today's high specification petrol engines. Ref: XSS 10w40 Currently widely called for, this hi-synthetic engine oil is specifically designed for today's high specification petrol engines. Price: £19.68 (Including VAT at 17.5%) Size 1-litre (£4.80) 5-litre (£16.75) Specification API SL/CF ACEA A3,B3 VAG 500.00 Mercedes Benz 229.1 BMW requirement Quantity: