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2011-2017 F25 X3 xDrive35i
the S50B32 engine is a popular choice among European tuners and engine builders
This ensures the harmonious interaction between components for enhanced performance
A line hone is a machining process that can be used to resize and reshape the main bearing bores
BMW M52TU/M54 Valve Springs by SuperTech Custom Age 2011-2017 F25 X3 xDrive35iSupertech 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
