AIRTEC Motorsport Hot Side Boost Pipes for BMW M3, M4 and M2 Competition
Upgrade the restrictive and failure-prone OEM plastic boost pipes on your BMW M3, M4 or M2 Competition with the AIRTEC Motorsport hot side boost pipes. Designed for the S55 twin turbo engine, these high-flow alloy pipes connect the turbos to the charge cooler (intercooler) and deliver stronger, more reliable boost control on fast road and track-driven cars, as well as mapped Stage 1 and Stage 2 setups.
Why upgrade your S55 hot side boost pipes
- Improved flow: a consistent 57 mm internal diameter from end to end increases airflow and reduces pressure drop.
- Reliability under boost: robust alloy construction eliminates the common cracking and splitting seen on OEM plastic pipes under remap or hybrid turbo boost pressures.
- Smoother power delivery: avoids the OEM pipe’s flattened sections over the engine, helping throttle response and turbo efficiency.
- Meth-ready: each pipe includes a 1/8 NPT port suitable for a methanol injection setup.
Engineered to perform
The AIRTEC Motorsport replacement hot side pipes maintain a true, larger internal diameter throughout their length to maximise flow where the factory items flatten significantly. Precision engineered CNC connectors house the original BMW O-rings for an OE-quality seal, while the durable black powder coat finish looks factory and resists corrosion. The kit includes two silicone joiners, CNC-machined connectors and all required adapters, fixtures and fittings.
Fitment and compatibility
- F87 M2 Competition (S55) from 10/2016
- F80 M3 from 04/2012
- F82/F83 M4 from 02/2013
Note: M2 Competition only. Not suitable for the earlier N55-powered M2.
Installation
Typical fitting time is around 2 hours. The original engine cover can be retained. For a perfect fit, we recommend slightly enlarging the engine cover apertures; this can be done neatly to preserve the OEM look.
Prefer a professional install. Nforcd offers fitting at our Warwickshire workshop. Request a quote via Sales@nforcd.com.
Proven by us and our customers
We have used these AIRTEC Motorsport hot side boost pipes on our own S55 builds with excellent results, and our customers consistently report great fitment, improved reliability and strong performance on both road and track.
Key features
- Consistent 57 mm internal diameter for improved flow
- Strong alloy construction to withstand higher boost pressures
- 1/8 NPT port on each pipe for methanol injection compatibility
- CNC connectors to reuse OEM BMW O-rings
- Includes silicone joiners, adapters, fixtures and fittings
- Durable black powder coat finish
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