BMW N47N/N47S1 Intake Manifold Blanking Plug - Swirl Flap/Swirl Valve Delete Block-Off Bung, Runner Butterfly Inlet Seal Cap for 2.0d Diesel, CNC Billet Aluminium

Intake Manifold Blanking Bung for BMW N47N / N47S1

Protect your BMW diesel from costly damage with this precision block-off plug that seals the aperture left in the inlet manifold once the factory intake runner flap mechanism has been removed. Engineered from billet aluminium and finished to an exceptionally high standard, it delivers a secure, leak-tight seal and long-term reliability for N47N and N47S1 engines.

Why choose this reliability upgrade

• Safeguards the engine by preventing fragments from worn runner flap components entering the cylinders
• Direct fit for the inlet seal carrier on BMW N47N / N47S1 diesel engines
• Precision CNC machined from billet aluminium for strength, accuracy and consistency
• Dual O-rings included for a positive seal and confidence against boost and vacuum leaks
• Corrosion resistant and heat tolerant for dependable performance in harsh conditions
• A proven preventative mod for daily drivers and enthusiast builds alike

What you receive

• 1 x Intake manifold blanking plug
• 2 x O-rings

Tried and trusted by MJ Modifications

We have fitted this blanking bung on numerous N47 variants in-house and it has been a rock-solid solution. Customers consistently report peace of mind, a tidy install and a clean, leak-free seal after removing the intake flap assembly.

Fitting and support

Professional installation is available at MJ Modifications in Warwickshire. For a fitting quote or technical advice, email info@mjmodifications.co.uk.

Engine compatibility

Designed for BMW N47N and N47S1 diesel engines that have had the intake runner flap system removed.

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