They've also designed their couplers and flanges to transition seamlessly from one component to the next

Style: Long tube

the B58 engine

- Complete Kit: Sold individually

Using this in-depth analysis

Genuine BMW Head Gasket, BMW N54 E60 LCI They've also designed their couplersGenuine BMW Head Gasket for BMW N54 engines. We have had the most success with OEM head gaskets in our high horsepower high boost applications. For those crossing 800+ horsepower, must O Ring the Cylinder Head or Block. 1. 22 mm = 0. 048" thickness. 11127557265 11 12 7 557 265 11 12 7 557 265 11. 12. 7. 557. 265 1. 52 mm = 0. 060" thickness. 11127557266 11 12 7 557 266 11 12 7 557 266 11. 12. 7. 557. 266 BMW N54 Applications: 1 Series 2007 2010 E82