aFe Power Momentum GT Cold Air Intake for BMW N55 (F20 F21 M135i, F22 M235i, F87 M2, F31 F34 335i, F32 F33 F36 435i) | Pro DRY S 51-76311 / Pro 5R 54-76311

aFe Momentum GT Induction Upgrade for BMW N55 – F20 F21 M135i, F22 M235i, F87 M2, F31 F34 335i, F32 F33 F36 435i

Give your F‑Series N55 the airflow it deserves. The aFe Momentum GT intake is a high flow, sealed induction system that feeds cooler, denser air to the turbo for real performance you can feel. Expect crisper throttle response, quicker spool and a deeper, more purposeful intake note. Tested gains of up to +15 hp and +13 lb‑ft make this one of the most effective bolt‑on upgrades for BMW’s 3.0‑litre turbo six. Perfect for drivers hunting a BMW M135i intake kit, M235i induction upgrade, BMW M2 N55 air intake, 335i performance intake or 435i high flow airbox.

Key reasons it works

• Proven power increase on the N55 turbo engine – up to +15 hp and +13 lb‑ft
• Higher airflow than the factory airbox for sharper response and stronger mid‑range
• Single‑piece sealed housing with an additional air feed to help control intake temps
• Clear viewing window for quick filter checks and a premium under‑bonnet finish
• Carbon fibre trim adds lightweight motorsport style
• CAD‑designed, rotomoulded ducting for smooth, high‑velocity airflow to the compressor
• Integrated filter‑to‑box design maximises filter size while keeping installation simple
• Stainless fixings and quality couplers – straightforward, no‑cut, no‑drill fit

Choose your filter media

Pick the filtration that suits your driving style – both options are washable and reusable.

• Pro DRY S – Part Number 51-76311
  Oil‑free 3‑layer synthetic element for low maintenance, great filtration and everyday convenience.
• Pro 5R – Part Number 54-76311
  Oiled 5‑layer cotton gauze for maximum airflow and performance. Outflows the OE setup by up to 10 percent for enthusiasts chasing peak breathing.

Built to perform

• Sealed airbox with extra air feed to help reduce heat soak
• 2 x 2 twill weave carbon fibre trim, clear coated for a clean, OEM+ look
• Large 7.5 inch inverted‑top 360° radial flow performance filter
• Durable clamps and high quality silicone for a secure, long‑lasting install

Vehicle compatibility – BMW N55 turbo

• BMW 335i 3.0 L – F31 F34 N55 – 2012 to 2015
• BMW 335ix 3.0 L – xDrive F32 F34 N55 – 2012 to 2015
• BMW 435i 3.0 L – F32 F33 F36 N55 – 2014 to 2016
• BMW 435ix 3.0 L – xDrive F32 F33 F36 N55 – 2014 to 2016
• BMW M135i 3.0 L – F20 F21 N55 – 2012 to 2016
• BMW M135ix 3.0 L – xDrive F20 F21 N55 – 2012 to 2016
• BMW M2 3.0 L – F87 N55 – 2016 to 2018
• BMW M235i 3.0 L – F22 N55 – 2014 to 2016

Road feel and feedback

We have installed this aFe Momentum GT on customer N55 builds at MJ Modifications and the feedback is consistently excellent. Sharper pedal response, cleaner turbo whistle, a richer induction tone and a tidy OEM+ engine bay thanks to the sealed housing and carbon fibre accent. It is a proper bolt‑on that delivers from the first drive.

Installation and fitting

Direct replacement using factory mounting points. No cutting or drilling required. Prefer professional installation? Book fitting with MJ Modifications in Warwickshire – request a quote at info@mjmodifications.co.uk.

Part numbers

• Pro DRY S: 51-76311
• Pro 5R: 54-76311

Manufacturer and warranty

Genuine aFe Power product supplied with a 1‑year warranty.

Compliance

Not CARB exempt at this time. Not legal for sale or use in California on pollution‑controlled vehicles.

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