BMW N57 N57N N57Z 3.0D Swirl Flap Delete / Swirl Valve Block Off - Billet Aluminium Intake Manifold Blanking Bung Plug Kit (Runner Flap Delete) 30d 35d 40d 50d F10 F11 F30 F31 F32 F15 F16 F25 F26 F06 F12 F13 F01 F02 X3 X4 X5 X6

Protect Your BMW 3.0 Diesel From Swirl Failure With A Precision Alloy Manifold Bung

Eliminate a well known weak point on BMW straight six diesels. This high quality billet alloy intake bung replaces the fragile manifold swirl hardware found on N57N and N57Z engines, stopping loose components from being pulled into the cylinders and giving you long term reliability and peace of mind. Ideal as a manifold swirl valve removal solution for enthusiasts who want dependable performance on daily drivers and tuned builds alike.

Common search terms: intake manifold bung, manifold swirl valve blank, intake runner flap removal kit, inlet port blanking plug, swirl valve blanking kit, runner flap delete plug, BMW 3.0d 30d 35d 40d 50d diesel reliability upgrade, F-series diesel intake blank.

Why Enthusiasts Choose This Kit

• Precision CNC cut from solid billet aluminium for a robust, OE style fit
• Seals the original intake aperture securely for a boost tight, leak free finish
• Retains the original actuator cover to secure the bung neatly in place
• Supplied with fresh inlet gaskets for a complete, ready to install solution
• Proven on our own cars and customer vehicles with excellent feedback on fit and longevity

What You Receive

• 1 x Billet alloy intake manifold bung
• 6 x Inlet port seal gaskets

Compatibility

Engines: N57N, N57Z 3.0 straight six turbodiesel

BMW platforms: F01N, F02N, F06, F06N, F07, F07N, F10, F10N, F11, F11N, F12, F12N, F13, F13N, F15, F16, F25, F26, F30, F30N, F31, F31N, F32, F32N, F33, F33N, F34, F34N, F36, F36N

Typical models covered: 3 Series F30 F31, 4 Series F32 F33 F36, 5 Series F10 F11, 5 GT F07, 6 Series F06 F12 F13, 7 Series F01 F02, X3 F25, X4 F26, X5 F15, X6 F16 with 30d, 35d, 40d and related N57 variants.

Benefits At A Glance

• Removes a common intake failure point on BMW diesel engines
• Clean, tidy installation using the factory actuator housing
• Durable materials designed to withstand heat and boost pressure
• Great upgrade while the intake manifold is off for maintenance

Fitting Service

Professional installation is recommended. MJ Modifications offers expert fitting at our Warwickshire workshop. For a quote or to book in, email info@mjmodifications.co.uk.

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BMW diesel intake blank, manifold runner valve blanking plug, swirl valve block off, inlet manifold blank kit, BMW N57 intake plug, BMW 3.0d reliability upgrade, runner flap blanking kit, intake manifold port bung, performance diesel preventative maintenance.