BMW Cage/Captive Nut 31116768715 – Genuine BMW OEM Clip/Retaining/Square Nut Fastener for Undertray, Splash Guard, Subframe, Body Panels & Brackets – Fits 1 Series E87/E88 (135i), 3 Series E90/E91/E92/E93 (335i), X1 E84, Z4 E89

BMW Captive Cage Nut 31116768715 | Factory Hardware Replacement

Restore rock solid OEM feel with this BMW captive cage nut, part number 31116768715. It is a genuine BMW fixing designed for precise alignment and secure mounting on the vehicles listed below. Perfect when an original square nut in a cage has seized, rounded, gone missing or been damaged during routine work, this replacement delivers the proper fit and durability you expect from factory hardware.

Why this BMW fixing is the right choice

• Authentic BMW hardware engineered to the correct specification for consistent, reliable clamping
• Direct swap for tired or corroded captive nuts to eliminate rattles and play
• Ideal for servicing, restoration, MOT prep and underbody tidy ups
• Proven by our team on our own builds and by happy MJ Modifications customers
• No guesswork. The correct part number makes maintenance straightforward

Applications

Used across multiple factory locations on:

• 1 Series E8x platform including E87 hatch and E88 convertible including 135i
• 3 Series E9x platform including E90 saloon, E91 touring, E92 coupé, E93 cabriolet including 335i
• X1 E84 including 20d EfficientDynamics models
• Z4 E89 including 35is

Typical use cases include underbody panels, shields, brackets and subframe related fixings on the above platforms. If you are unsure where your vehicle uses this captive nut, we will confirm before shipping.

Part number

31116768715

We will verify fitment

Add your UK registration or the last 7 of your VIN at checkout so we can confirm that BMW part 31116768715 suits your vehicle before dispatch.

Professional installation

Want it fitted by specialists in Warwickshire? Choose MJ Modifications for hassle free installation and workshop support. Request a quote at info@mjmodifications.co.uk.

Manufactured by

BMW

Warranty

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

Search terms customers use

BMW captive nut square nut in cage clip nut retaining nut body fixing nut chassis clip subframe captive nut splash guard nut undertray fixing engine tray nut bracket nut shield fastener OEM hardware 31116768715 BMW spare BMW replacement nut E8x E9x E84 E89 BMW fixings 1 Series 3 Series X1 Z4.

Choose genuine BMW hardware for a proper fit and long term peace of mind. This is the straightforward way to replace a worn captive nut and keep your BMW tight, quiet and factory correct.