BMW M52TU/M54 Valve Springs by SuperTech Custom Age ranging from 3300 cc to

ranging from 3300 cc to 3500 cc

2011-2017     F25     X3 xDrive35i

Fuel type ethanol blend or methanol

and Mini B48 Engines: Precision-engineered for a perfect fit and optimal performance

this BMW M54 B25 piston set features:

BMW M52TU/M54 Valve Springs by SuperTech Custom Age ranging from 3300 cc toSupertech valve springs for the BMW M52TU and M54 engines are designed for high performance enthusiasts who demand reliability at high RPMs. Made from Superclean Chrome Silicon Vanadium Steel alloy, these valve springs offer exceptional durability, improved structural memory, and consistent performance even under extreme conditions. Precision engineered with computer aided design, Supertech valve springs are optimized to minimize stress and manage