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

In rare cases

THREAD SEALER

Custom Age 625+

as broken springs can lead to dropped valves

Radium Engineering Fuel Surge Tank Install Kit, BMW E46 17518053321 The upgraded components are designedCOMPATIBILITY99 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