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MMR Silicone Intake Hose for BMW B58 (M140i / M240i / 340i / 440i)

Regular price £73.50
Sale price £73.50 Regular price
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MMR Silicone Intake Hose for BMW B58 (M140i / M240i / 340i / 440i)

Product Description

Enhance your BMW’s turbo response and under-bonnet aesthetics with the MMR Silicone Intake Hose for BMW B58 — a smart airflow upgrade engineered for enthusiasts who want more than the restrictive OEM plastic bellows hose.

Designed to replace the factory intake hose between the airbox and turbo inlet, this high-quality silicone hose smooths airflow into the turbo for improved induction flow, sharper throttle response and a subtle performance improvement. It removes common restrictions found in the original plastic hose, helping the turbo breathe more efficiently.

Whether fitted on its own or paired with a performance air filter or aftermarket intake system, this silicone intake hose delivers a more responsive driving experience while adding a clean, performance-focused look to the engine bay.

Key Points

  • High-quality smooth-flow silicone construction for enhanced airflow
  • Removes restrictive OEM plastic bellows hose to reduce turbulence
  • Can provide improved throttle response and more consistent airflow
  • Enhances induction and turbo sound under acceleration
  • Reinforced silicone resists heat and engine movement
  • Ideal standalone upgrade or used with performance intake systems
  • Gloss black finish improves engine bay appearance
  • Quick and straightforward installation with basic tools
  • Compatible with OEM and most aftermarket intake setups
  • Designed for long-term durability and daily driving reliability

 

Frequently Asked Questions (FAQs)

Will this silicone intake hose increase power?

On its own, the MMR Silicone Intake Hose offers a small improvement in throttle response and airflow efficiency by removing the restrictive OEM plastic bellows hose. The biggest gains are typically seen when paired with a performance air filter or aftermarket intake system.


Is this a direct replacement for the factory hose?

Yes. This hose is a direct bolt-on replacement for the original BMW plastic intake hose. No cutting, trimming or permanent modifications are required.


Is this compatible with the standard airbox?

Yes. The MMR Silicone Intake Hose works perfectly with the OEM airbox, as well as most aftermarket intake systems designed for BMW B58 engines.


Will it fit my BMW if the car is mapped or tuned?

Absolutely. This hose is ideal for tuned and mapped B58 engines, as it offers improved durability and airflow compared to the factory hose, which can become restrictive under increased boost.


Does it affect engine noise?

Yes — you may notice a slightly enhanced induction and turbo sound, especially under acceleration. This is a popular benefit for enthusiasts and does not make the car excessively loud.


Is installation difficult?

No. Installation is quick and straightforward, typically taking 10–20 minutes with basic hand tools. Professional installation is not required, though always recommended if you are unsure.


Will this trigger engine warning lights or fault codes?

No. When installed correctly, this intake hose does not cause fault codes or warning lights and does not interfere with sensors or ECU operation.


Is the hose reinforced?

Yes. The silicone construction is reinforced to resist heat, pressure and engine movement, ensuring long-term reliability even in demanding driving conditions.


Is this suitable for daily driving?

Yes. The MMR Silicone Intake Hose is designed to maintain OEM-level drivability and comfort, making it perfectly suitable for daily use as well as spirited driving.


Do I need a remap after fitting this hose?

No remap is required. The hose works seamlessly with the factory ECU calibration, though it complements tuning and other airflow upgrades very well.




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