Mosselman Oil Thermostat Titanium GR5 HEX-RACE Bolt Kit (3x M8x25) for BMW N54 N55 S55 – Fits 135i 335i 435i M135i M235i M2 M3 M4
Mosselman Oil Thermostat Titanium GR5 HEX-RACE Bolt Kit (3x M8x25) for BMW N54 N55 S55 – Fits 135i 335i 435i M135i M235i M2 M3 M4
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Mosselman Oil Thermostat Titanium GR5 HEX-RACE Bolt Kit (3x M8x25) for BMW N54 N55 S55 – Fits 135i 335i 435i M135i M235i M2 M3 M4

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Mosselman Oil Thermostat Titanium GR5 HEX-RACE Bolt Set - N54 | N55 | S55

Upgrade your Mosselman Oil Thermostat install with the Mosselman Titanium GR5 Hex-Race Bolt Set. Designed for BMW N54, N55 and S55 engines, these titanium bolts are a high-strength, corrosion-resistant, lightweight improvement over standard OEM hardware, delivering reliable clamping under extreme heat and hard use on road or track.

Why choose the Titanium GR5 HEX-RACE bolts

  • Premium Titanium GR5 construction - strong, light and corrosion resistant
  • HEX-RACE head design for confident tool engagement and clean torque application
  • Consistent clamping for leak-free, long-term reliability
  • Ideal for fast road and track-driven BMW N54, N55 and S55 builds
  • Direct replacement for OEM bolts when fitting the Mosselman Oil Thermostat

What’s included

3 x M8x25 Titanium GR5 HEX-RACE bolts

Compatibility

  • BMW 135i E82 N54
  • BMW 135i E82 N55
  • BMW 1M E82 N54
  • BMW 335i E90/E91/E92 N54
  • BMW 335i E90/E91/E92 N55
  • BMW Z4 35i E89 N54
  • BMW Z4 LCI 35i E89 N54
  • BMW Z4 35is E89 N54
  • BMW M135i F20/F21 N55
  • BMW M235i F22 N55
  • BMW M2 F87 N55
  • BMW 335i F30/F31 N55
  • BMW 335i GT F34 N55
  • BMW 435i F32/F33 N55
  • BMW 435i Gran Coupe F36 N55
  • BMW M2 Competition F87 S55
  • BMW M3 F8x S55
  • BMW M3 Competition F80 S55
  • BMW M3 CS F80 S55
  • BMW M4 F8x S55
  • BMW M4 Competition F82 S55
  • BMW M4 CS F82 S55
  • BMW M4 GTS F82 S55

Fitment and support

These are designed to be used when installing the Mosselman Oil Thermostat on BMW N54, N55 and S55 engines. We recommend professional fitting for best results. For installation by Nforcd in Warwickshire, request a quote at Sales@nforcd.com.

Proven quality

We have installed these Mosselman Titanium GR5 HEX-RACE bolts on multiple N54, N55 and S55 builds and our customers have been extremely happy with the fit, finish and durability. A simple, smart upgrade when you want the best hardware for your Mosselman Oil Thermostat.

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