Genuine BMW M Adapter for Engine Encapsulation Undertray F20 F21 F22 (F2x 1 Series & 2 Series) | Belly Pan/Underbody Splash Guard Bracket | Fits 120i 125i 220d M135i | OEM Part 51758050730

Genuine BMW M Adapter for Engine Encapsulation Undertray F20 F21 F22 (F2x 1 Series & 2 Series) | Belly Pan/Underbody Splash Guard Bracket | Fits 120i 125i 220d M135i | OEM Part 51758050730

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Genuine BMW F20 F21 F22 M Adapter for Engine Encapsulation - OEM Undertray Adapter - Part Number 51758050730

Upgrade and protect your BMW with the Genuine BMW M Adapter for Engine Encapsulation. This OEM adapter is designed to mount the factory engine encapsulation undertray, also known as the engine undertray, underbody shield, belly pan, engine splash guard or engine cover. Perfect for BMW 1 Series F20 F21 and 2 Series F22 models, including 120i, 125i, 220d and M135i variants, this genuine part delivers the correct fit and finish that enthusiasts demand.

If you are fitting or retrofitting the engine encapsulation on your F2x chassis, this M Adapter ensures a precise, secure installation with factory-grade reliability. At Nforcd we have fitted this part across customer F20, F21 and F22 cars and feedback has been consistently positive for build quality and fitment.

Why choose this Genuine BMW adapter

  • OEM quality and exact fit for BMW F20 F21 F22 platforms
  • Designed for the BMW engine encapsulation undertray system
  • Helps protect the engine bay from road debris and spray
  • Supports improved underbody airflow and refinement
  • Durable factory-grade construction and finish
  • Direct replacement part - no guesswork, no compromise

Keywords that matter for your build: BMW F20 undertray, BMW F21 undertray, BMW F22 undertray, engine encapsulation adapter, underbody panel bracket, belly pan adapter, splash shield bracket, OEM engine cover adapter, M135i undertray, 120i 125i 220d engine tray, genuine BMW mounting adapter, F2x engine cover hardware.

Compatibility

This M Adapter for Engine Encapsulation is compatible with the following BMW models:

1 Series

  • 1' F20 (07/2010 - 02/2015)
    • 114d, 114i, 116d, 116i, 118d, 118dx, 118i, 120dx, 125d, 125i, M135i, M135ix
  • 1' F20 LCI (05/2014 - 06/2019)
    • 114d, 116d, 116i, 118i, 120i, 125i, M135i
  • 1' F21 (07/2010 - 02/2015)
    • 114d, 114i, 116d, 116i, 118d, 118dx, 118i, 120dx, 125d, 125i, M135i, M135ix
  • 1' F21 LCI (05/2014 - 06/2019)
    • 114d, 116d, 116i, 118i, 120i, 125i, M135i

2 Series

  • 2' F22 (10/2012 - 10/2014)
    • 220d
  • 2' F22 LCI (09/2016 - 12/2019)
    • 218d

Part number

51758050730

Manufactured by

BMW - Genuine OEM BMW part for the F20 F21 F22 platform

Compatibility check before dispatch

For complete peace of mind, we will verify compatibility prior to dispatch. Provide your UK registration or the last 7 digits of your VIN at checkout and our team will confirm this adapter suits your exact BMW 1 Series or 2 Series.

Fitting and installation

Professional installation recommended. Nforcd offers fitting at our Warwickshire facility. Request a quote at Sales@nforcd.com.

Warranty

Two years manufacturer warranty for UK customers and one year manufacturer warranty for international customers when a valid VIN is provided at checkout on compatible vehicles.

Buy with confidence from Nforcd

We supply genuine BMW performance and maintenance parts for the F2x platform. This OEM engine encapsulation adapter is a proven solution for owners seeking the correct undertray mounting on F20, F21 and F22 models including 120i, 125i, 218d, 220d and M135i. Order now for the right fit, first time.