Unlike OEM bolts

- Optimized for High Temperatures: Specifically engineered to handle the extreme temperatures produced by high-performance M62 engines

2010-2012     F25     X3 xDrive28i [Non-Turbo]

Multi-layer stainless steel construction for superior durability

so you can easily add fueling without any drilling

Racetech Alloy Rollbar Clamps Rollbar Tube Diameter:1 37/64in (40 mm) Unlike OEM boltsRTB2005C Racetech aluminum clamps for back mounting seats. Precision cut from a 20mm thick 6061 aluminum sheet. Sold as a pair these clamps fix around a rollcage tube and bolt to the RTB2115B or RTB3115B shoulder bracket. This allows you to effectively back mount a Racetech 119, 4200 or 4100 Series seat to the chassis rollcage at the shoulder level. Supplied with 2x M8 bolts and 2x flat washers per clamp. Size Chart: Part Tube Diameter (mm) Tube