aFe Bladerunner Intercooler Tube

Fits 2015–2017 BMW M3 and M4 with S55 3.0L Twin-Turbo Engine

Part #: 46-20198-B

Overview

The aFe Bladerunner 2-1/4-inch Intercooler Tube is a high-performance upgrade designed for BMW M3 and M4 models equipped with the S55 twin-turbocharged engine. Crafted from mandrel-bent aluminum, this intercooler tube enhances airflow efficiency and supports optimal engine cooling. Its durable construction and high-temp powder coating provide excellent heat insulation and corrosion resistance, making it a reliable choice for enthusiasts seeking improved response and consistent performance under demanding conditions. Whether you're upgrading your stock system or building a custom setup, this intercooler tube helps maximize airflow and maintain charge temperature, contributing to better throttle response and overall engine efficiency.

Key Features

This intercooler tube features a precision mandrel-bent design that ensures smooth airflow transitions, reducing turbulence and pressure loss. It includes stainless steel clamps for a secure, leak-free connection and heavy-duty 5-ply reinforced silicone couplings for added strength and durability. The high-temp powder coating not only provides an attractive finish but also insulates the tubes from engine heat, helping to maintain cooler intake temperatures. The robust construction supports consistent performance and longevity, making it an ideal upgrade for high-performance applications.

Construction & Design

Manufactured from high-quality aluminum, the tube is mandrel-bent to ensure smooth, consistent curves that optimize airflow. The powder-coated finish enhances durability and heat resistance, protecting against corrosion and engine heat transfer. The included stainless steel clamps and reinforced silicone couplings are engineered for a secure fit and long-lasting performance.

Performance & Response

Designed to improve airflow from the turbocharger to the intercooler, this tube helps reduce pressure loss and turbulence, supporting increased horsepower and torque. The high-flow design promotes better charge air cooling, which can lead to more responsive throttle and improved engine efficiency during spirited driving or track use.

Installation & Fitment

This intercooler tube is engineered for a direct bolt-on upgrade for 2015–2017 BMW M3 and M4 models with the S55 engine. Proper installation requires basic tools and mechanical knowledge, with no modifications typically necessary.

What’s Included

The package includes the mandrel-bent aluminum intercooler tube, stainless steel clamps, and reinforced silicone couplings, providing everything needed for a secure and effective upgrade.