BMW M42 / M42B18 Oil Cooler Cap & External Oil Cooler Adapter

After installing this oil cap, you can run an external oil cooler to help lower oil temperature. Plug-and-play fitment.

Key Features

• CNC machined (made in EU)
• Aluminium PA6 construction
• Direct bolt-on fitment
• AN10 fittings
• 2 × 1/8" NPT ports for external oil temperature/pressure sensors
• Precision machining and alignment for accurate fit
• Suited to turbocharged, drift, and racing-spec builds
• Includes M54-type oil filter and the oil spigots shown in the picture
• Includes a custom mounting bolt (OEM bolt is too short)
• Quality tested

Fitment Notes

• Fits only the aluminium M42B18 oil housing with the top bolt.
• For M44 engines, the oil housing must be changed to the M42 type.
• Does not fit M44 oil housings with a plastic cap.