Turner Motorsport has everything you need to upgrade your BMW through our stages of performance or to keep your car in peak condition with our range of the latest in proven OEM cooling parts. Upgrade your cooling system and engine performance with the selections below to give your BMW a performance and reliability advantage.
Kelford's performance valve spring and titanium retainer kit is designed to work with the B58B30 straight-6 engine. Made using high-performance PACALOY™, this kit is sure to offer outstanding performance. This kit is specifically engineered to work well with their Stage 1, Stage 2, and Stage 3 camshafts to provide exceptional quality, reliability, and performance. 90lb seat pressure at 36.5 mm installed height; 193lb at 11.0 mm valve lift Spring coil bind height at 23.6 mm
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