M20 Engine Oil Pressure/Temp Sender Adapter


In stock


CNC machined adapter and mount block for adding oil pressure and temperature senders and gauges to your BMW M20 engine block.  It has a large internal bore for maximum oil flow and accurate sender readings.

The adapter is machined from corrosion-resistant 303 stainless steel and is compatible with M20B20, M20B23, M20B25 and M20B27 engines.

The adapter is used in place of the stock oil pressure switch (OE part # 12618611273) on the lower exhaust side of the engine block.  When used with VDO oil pressure sender, part # 360009, it will maintain the factory function of the oil pressure warning light on the dash.

It will also accept VDO oil temperature sender, part # 323057.  It can hold any other VDO oil pressure or temperature senders with appropriate size and 1/8” NPT mounting threads.

Key features:

  • Precision CNC machined from corrosion-resistant 303 stainless steel
  • Makes adding oil senders and gauges to your E30 easy
  • External hex size of 19mm or 3/4 inch
  • Compatible with both M20B25 and M20B27 engines from the E30 chassis (325e and 325i)
  • Replaces OEM oil pressure switch, part number 12618611273
  • External threads of M12x1.5
  • Internal threads for both sender mount holes are 1/8” NPT (tapered thread)
  • 100% designed and manufactured in the USA
  • Clean, professional appearance
  • When used with two-pole VDO oil pressure sender (part number 360009) maintains stock oil pressure warning light functionality. Is compatible with any other VDO pressure sender with 1/8” NPT mounting threads
  • Accepts VDO oil temperature sender (part number 323057)
  • Requires use of one or two M12 copper or aluminum crush washers and PTFE tape on sender threads (crush washers and PTFE tape not included)
  • Installation instructions included

Additional information

Weight 4 kg
Dimensions 15 × 10 × 3 cm

Sidon River Manufacturing, LLC

Precision CNC machined parts with impeccable quality for the BMW 3 series E30 chassis.

We also do custom work!

Visit us at sidonriver.com

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