BMW Swirl Flap Delete Manifold Cap – 22mm

Serious about protecting your BMW diesel engine? This CNC-machined aluminum PA6 end cap is designed for enthusiasts looking to reliably remove swirl flaps from their intake manifold. It’s a direct-fit, no-nonsense solution for those who want peace of mind and mechanical simplicity in their M47 and M57 powered BMWs.

Fitment

• M47N / M47TU / M47TUD20 110 kW (148 KM) 330 Nm
  • E46 320d/318d (2001-2005)
  • E83 X3 2.0d (until the end of 2006)
• M57 / M57D25 (from 2000) 122 kW (164 KM) 350 Nm
  • E39 525d (2000-2003, automatic transmission only)
• M57 / M57D30 (from 1998) 184 KM (135 kW; 181 KM) 390 Nm
  • E39 530d (automatic transmission only)
  • E46 330d / 330xd (automatic transmission only)
• M57 / M57D30 (from 1998) 184 KM (135 kW; 181 KM) 410 Nm
  • E38 730d (automatic transmission only)
  • E53 X5 3.0d
• M57 / M57D30 (from 1998) 193 KM (142 kW; 190 KM) 410 Nm
  • E38 730d
  • E39 530d

Material & Construction

• CNC-machined from PA6 aluminum

Technical Specifications

• Cap diameter: 22mm
• Mounting hole spacing: 35mm
• Mounting hole diameter: 4.5mm

What’s Included

• One aluminum end cap for swirl flap delete

Installation Notes

• Install in place of factory swirl flaps in the intake manifold
• Does not trigger a check engine light
• General mechanical knowledge required

FAQ

• Will this cap fit both manual and automatic transmission models?
  Some applications are specific to automatic transmissions—check the fitment list above for details.
• Do I need any special tools for installation?
  Standard hand tools and general mechanical skills are sufficient for installation.
• Will removing the swirl flaps cause a check engine light?
  No, installation of this cap does not trigger a check engine light.

BMW Swirl Flap Delete Manifold Cap – 33mm

For BMW owners running later M47 and M57 engines, this CNC-machined PA6 aluminum end cap is engineered to replace the factory swirl flaps in your intake manifold. A must-have for those who want to eliminate a known failure point while keeping the intake sealed and secure.

Fitment

• M47TU2D20 (from 2004) 120 kW (161 KM) 340 Nm
  • E60/E61 520d
  • E87 120d
  • E90/E91 320d
  • E83 X3 2.0d (from 2006)
• M57N / M57TU / M57TUD25 (from 2004) 177 KM (130 kW; 175 KM) 400 Nm
  • E60/E61 525d
• M57N / M57TU / M57TUD30 (from 2002) 204 KM (150 kW; 201 KM) 410 Nm
  • E46 330d / 330Cd / 330xd
  • E83 X3 3.0d
• M57N / M57TU / M57TUD30 (from 2002) 218 KM (160 kW; 215 KM) 500 Nm
  • E53 X5 3.0d
  • E60/E61 530d / 530xd
  • E65 730d
• M57N / M57TU / M57TUD30 (from 2002) 272 KM (200 kW; 268 KM) 560 Nm
  • E60/E61 535d
• M57N / M57TU / M57TUD30 (from 2002) 231 KM (170 kW; 228 KM) 500 Nm
  • E90 / E90LCI / E91 / E91LCI / E92 / E93 335d
• M57N / M57TU / M57TUD30 (from 2002) 286 KM (210 kW; 282 KM) 580 Nm
  • E90 / E90LCI / E91 / E91LCI / E92 / E93 335d
• M57TU2D30 (from 2007) 197 KM (145 kW; 194 KM) 400 Nm
  • E90 / E91 / E92 325d
  • E60 / E61 525d / 525xd
• M57TU2D30 (from 2007) 231 KM (170 kW; 228 KM) 500 Nm
  • E65 730d
  • E90 / E91 325d
  • E90 / E91 330d / 330xd
• M57TU2D30 (from 2007) 235 KM (173 kW; 232 KM) 500 Nm
  • E60 / E61 / E70 / E71
• M57TU2D30 (from 2007) 286 KM (210 kW; 282 KM) 580 Nm
  • E60/E61 535d
  • E70 X5 3.0sd
  • E71 X6 xDrive35d
  • E83 X3 3.0sd
  • E90/E91 335d

Material & Construction

• CNC-machined from PA6 aluminum

Technical Specifications

• Cap diameter: 33mm
• Mounting hole spacing: 35mm
• Mounting hole diameter: 4.5mm

What’s Included

• One aluminum end cap for swirl flap delete

Installation Notes

• Install in place of factory swirl flaps in the intake manifold
• Does not trigger a check engine light
• General mechanical knowledge required

FAQ

• How do I know if I need the 33mm or 22mm cap?
  Generally, 33mm caps fit cars manufactured from 2004 onward, but there are exceptions—check your specific engine and year.
• Is this a direct replacement for the factory swirl flap?
  Yes, it is designed to be installed in place of the original swirl flap.
• Will this cause any fault codes or check engine lights?
  No, installation does not trigger a check engine light.