Upgr8 U8911-1 High Performance 4-ply Red Radiator Silicone Hose Kit Applications: 99-06 BMW E46 M3 S54 Engine. 99-06 BMW 325I/325XI/325CI M54/M56 Engine. 99-06 BMW 330I/330XI/330CI M54 Engine. Min temperature: -60 C/-140 F. Max temperature: 220 C/428 F. work pressure: 0.3 to 0.9 MPA. Bursting Pressure: 2MPA. Thickness: 5MM. Size tolerance: +/- 0.5MM.