Intercooler for BMW M3 M4 (2015-2017) 3.0L

High-Efficiency Dual-Pass Top-Mount Intercooler for 2015-2017 BMW M3, M4 (F80 / F82 / F83)

What it Does: The dual-pass top-mount intercooler replaces the leak-prone factory charge air cooler on the 2015-2017 BMW M3 and M4 to lower intake charge temperatures and eliminate boost-induced internal coolant leaks.

The Stock BMW M3,M4 Charge Cooler Failure Point

The factory liquid-to-air charge cooler on the S55 engine suffers from well-documented structural vulnerabilities. Under sustained thermal cycling and elevated boost pressure, the OEM brazed internal core seals deteriorate and rupture. This failure leaks engine coolant directly into the intake tract, leading to misfires, fouled spark plugs, and catastrophic engine hydrolock. Furthermore, the compact OEM core quickly succumbs to heat soak, causing the factory DME to aggressively retard ignition timing and reduce engine output.

The Engineering Solution

This upgraded unit solves OEM limitations by incorporating a custom liquid-to-air core that is 60% larger than factory sizing. Configured with a left-to-right cross-flow, dual-pass layout and two-stage water cooling, it drastically improves thermal dissipation across the fin matrix. Heavy-duty cast aluminum end tanks feature integrated internal air dividers on both the hot and cold sides to optimize charge air distribution and minimize pressure drop. Precision TIG-welded construction eliminates leak paths, while 3D-scanned mounting points guarantee plug-and-play installation.

What's Included

• 1 x Dual-Pass Top-Mount Liquid-to-Air Intercooler

Technical Specifications

Compatibility

• 2015-2017 BMW M3 Sedan (F80) 3.0L S55 Twin Turbo
• 2015-2017 BMW M4 Coupe (F82) 3.0L S55 Twin Turbo
• 2015-2017 BMW M4 Convertible (F83) 3.0L S55 Twin Turbo

Frequently Asked Questions & Fitment Warnings

Does this fit the F80, F82, and F83 M3/M4?

Yes, this is a direct fit for the 2015-2017 BMW M3 and M4 equipped with the S55 3.0L twin-turbo engine.

Do I need to bleed the cooling circuit after installation?

Yes, the secondary low-temperature liquid circuit must be thoroughly vacuum-filled and bled using diagnostic service procedures to prevent air pockets from causing localized hot spots.

The BMW Precision Caliber

Engineered to meet the exact cooling tolerances of European forced-induction platforms, this charge cooler maintains baseline manifold pressures and steady intake air temperatures without triggering check engine lights or requiring bracket modification.