Upgrade the factory oil thermostat housing components with this precision-machined billet oil thermostat housing plugs and lid cover set. Designed for BMW N54, N55, and S55 engines, this kit replaces the factory pieces with a stronger, more durable aluminum construction while adding a clean, performance-inspired look to the engine bay.

The factory components are prone to wear and discoloration over time due to constant heat cycling. This billet upgrade offers improved durability, corrosion resistance, and a refined appearance, making it ideal for both preventative maintenance and engine bay detailing.

Key Features

• CNC-machined from solid billet aluminum for strength and longevity
• Anodized surface for corrosion resistance and long-term durability
• Precision-machined for an accurate, secure fit
• Enhances engine bay appearance with a clean, performance-focused finish

Specifications

• Condition: New
• Material: Billet aluminum
• Surface Finish: Anodized
• Application: Oil thermostat housing plugs & lid cover
• Replacement Plug Part Number: 11617568552

Important Notes

• Sealing ring is not included (recommended size: Ø38 x Ø2.5)
• Not compatible with 2007–2008 N54 vehicles equipped with oil temperature sensor

Engine Compatibility

• N54
• N55
• S55

Vehicle Fitment

• 2009–2013 E90 / E91 / E92 / E93 335i
• 2009–2010 E60 / E61 535i
• 2009–2013 E82 / E88 135i
• 2011 E82 1 Series M Coupe
• 2012–2013 E82 / E88 135is
• 2009–2016 E89 Z4 sDrive35i / sDrive35is
• 2010–2017 F10 / F11 / F07 535i
• 2010–2017 F25 X3 xDrive35i
• 2011–2015 F30 / F31 / F34 335i
• 2012–2015 E84 X1 xDrive35i
• 2013–2016 F32 / F33 / F36 435i
• 2011–2018 F06 / F12 / F13 640i
• 2012–2016 F20 / F21 M135i
• 2013–2016 F22 / F23 M235i
• 2016–2018 F87 M2
• 2019–2021 F87 M2 Competition
• 2014–2018 F80 M3
• 2014–2020 F82 / F83 M4

This billet oil thermostat housing upgrade is an excellent choice for enthusiasts looking to improve durability, reliability, and under-hood aesthetics on their N54, N55, or S55-powered BMW.