these pistons utilize aircraft-grade steel

Check out below videos of some awesome S54 setups

S model versions of the inline 6-cylinder engines found in E34/E36 chassis

2010-2012     F25     X3 xDrive28i [Non-Turbo]

BMW B58 Gen1 Camshaft Set | Kelford Performance Cams F85 these pistons utilize aircraft-grade steelBMW B58 Gen1 Camshaft Set by Kelford Cams BMW has released these engines in several revisions. To simplify, the Kelford team has named these revisions Gen 1, Gen 1. 5 & Gen 2. Please review B58 Engine Compatibility Here. If you are unsure of which generation your engine is, please contact our sales team & they will ensure you get the correct camshafts Please note: All camshafts must be installed by a professional engine builder, using the provided