Mannol 9950 Ester Petrol Additive 250ml offers high performance protection for petrol engines by delivering advanced lubrication and deposit control. Powered by premium ester technology, this additive enhances fuel lubricity, improves fuel economy, and supports clean combustion. It removes harmful carbon buildup from injectors, intake valves, and combustion chambers while forming a protective film to limit future deposits. Ideal for modern and high mileage petrol engines, it supports cold start reliability, smoother idling, and more responsive acceleration. This additive is fully compatible with all petrol fuel types including ethanol blends and is safe for catalytic converters. To apply, simply add one bottle per full fuel tank. Mannol 9950 helps maintain peak engine efficiency and extend engine life with regular use.