BMW Intake Manifold Swirl Flap Delete Plug Set – 33mm

For BMW diesel enthusiasts looking to eliminate swirl flaps in the intake manifold, this CNC-machined aluminum plug set is a robust, reliable solution. Designed for direct installation in place of the factory swirl flaps, these end caps help reduce the risk of flap failure while maintaining a clean, check engine light-free operation. Built for those who value long-term engine reliability and straightforward engineering.

Fitment

• M47N / M47TU / M47TUD20 110 kW (148KM) 330 Nm
  • E46 320d/318d (2001-2005)
  • E83 X3 2.0d (to end of 2006)
• M47TU2D20 (from 2004) 120kW (161KM) 340Nm
  • E60/E61 520d
  • E87 120d
  • E90/E91 320d
  • E83 X3 2.0d (after 2006)
• M57 / M57D25 (from 2000) 122kW (164KM) 350Nm
  • E39 525d (2000-2003, automatic transmission only)
• M57N / M57TU / M57TUD25 (from 2004) 177KM (130kW; 175KM) 400Nm
  • E60/E61 525d
• M57 / M57D30 (from 1998) 184KM (135kW; 181KM) 390Nm
  • E39 530d (automatic transmission only)
  • E46 330d/330xd (automatic transmission only)
• M57 / M57D30 (from 1998) 184KM (135kW; 181KM) 410Nm
  • E38 730d (automatic transmission only)
  • E53 X5 3.0d
• M57 / M57D30 (from 1998) 193KM (142kW; 190KM) 410Nm
  • E38 730d
  • E39 530d
• M57N / M57TU / M57TUD30 (from 2002) 204KM (150kW; 201KM) 410Nm
  • E46 330d/330Cd/330xd
  • E83 X3 3.0d
• M57N / M57TU / M57TUD30 (from 2002) 218KM (160kW; 215KM) 500Nm
  • E53 X5 3.0d
  • E60/E61 530d/530xd
  • E65 730d
• M57N / M57TU / M57TUD30 (from 2002) 272KM (200kW; 268KM) 560Nm
  • E60/E61 535d
• M57N / M57TU / M57TUD30 (from 2002) 231KM (170kW; 228KM) 500Nm
  • E90/E90LCI/E91/E91LCI/E92/E93 335d
• M57N / M57TU / M57TUD30 (from 2002) 286KM (210kW; 282KM) 580Nm
  • E90/E90LCI/E91/E91LCI/E92/E93 335d
• M57TU2D30 (from 2007) 197KM (145kW; 194KM) 400Nm
  • E90/E91/E92 325d
  • E60/E61 525d/525xd
• M57TU2D30 (from 2007) 231KM (170kW; 228KM) 500Nm
  • E65 730d
  • E90/E91 325d
  • E90/E91 330d/330xd
• M57TU2D30 (from 2007) 235KM (173kW; 232KM) 500Nm
  • E60/E61/E70/E71
• M57TU2D30 (from 2007) 286KM (210kW; 282KM) 580Nm
  • E60/E61 535d
  • E70 X5 3.0sd
  • E71 X6 xDrive35d
  • E83 X3 3.0sd
  • E90/E91 335d

Material & Construction

• CNC machined from aluminum PA6

Technical Specifications

• Cap diameter: 33mm
• Hole spacing: 45mm
• Mounting hole diameter: 5mm

What’s Included

• Set of aluminum CNC end caps for intake manifold swirl flap delete

Installation Notes

• Install in place of original swirl flaps in the intake manifold. No check engine light is triggered after installation.

FAQ

• Will installing these end caps trigger a check engine light?
  — No, installation does not cause a check engine error.
• Are these plugs compatible with both pre- and post-2004 BMW diesel engines?
  — 33mm end caps are adapted for cars manufactured from 2004; cars up to 2004 may require 22mm caps, but exceptions exist.
• Do I need special tools for installation?
  — Standard tools for intake manifold removal and installation are required.