Standard Size is 30

Size (mm) and weight(g) 131x112x32

The upgraded components are designed for precise fitment in BMW S54 engines

as broken springs can lead to dropped valves

5150 bearings have demonstrated superior longevity and performance compared to other options available in the market

Radium Engineering Fuel Surge Tank Install Kit, BMW E46 17518053321 Standard Size is 30COMPATIBILITY99 06 BMW E46 ModelsNOTE: NOT compatible with convertibles This comprehensive installation kit includes everything needed to install a Radium fuel surge tank. The base price is for the installation kit ONLY. Fuel surge tank (FST) sold separately. Install kit locates the FST in a collision safe area of the trunk behind the rear seat. The bolt on aluminum mounting bracket features rubber isolating grommets to reduce fuel pump noise. Also