Mishimoto Performance S55 Heat Exchanger / Charge Cooler Radiator for BMW M3 F80, M4 F82/F83, M2 Competition F87 - Dual-Pass Aluminum, Direct-Fit - MMHE-F80-15

BMW F80 F82 F83 F87 S55 Low Temperature Radiator by Mishimoto — Part No. MMHE-F80-15

Keep intake air temperatures under control and stop heat soak before it robs power. This Mishimoto low-temp front radiator is built for the S55 water-to-air charge cooling circuit on the M3, M4 and M2 Competition. The dual-pass, full aluminium design increases fluid volume and surface area for consistent, repeatable performance on fast road, track days and spirited driving. We run this upgrade on our own builds and our customers love the stability it brings to IATs lap after lap.

Search-friendly terms: S55 low temp radiator, intercooler water radiator, auxiliary radiator for charge air system, CAC radiator, LTR upgrade, charge air cooler water radiator, front mount coolant radiator for intercooler, pre-radiator for water-to-air system, BMW M3 M4 M2C cooling mod, track cooling upgrade for F80 F82 F83 F87, performance cooling for tuned S55 engines.

Why enthusiasts choose this cooling upgrade

• Proven 6°C drop in global intercooler coolant temperatures compared to the factory unit for steadier intake temps under load
• 60% increase in core volume and 180% more external fin area to maximise heat rejection
• Dual-pass core for longer coolant path and improved thermal efficiency
• Increases coolant capacity by 2.3 litres to help resist heat soak on back-to-back pulls
• Full aluminium construction with TIG-welded end tanks for strength and longevity
• Lower 12 rows use a variable fin pitch that helps airflow reach the DCT transmission cooler behind it
• Includes an optional steel mesh stone guard to protect the core from road debris
• Backed by Mishimoto’s Lifetime Warranty

Fitment — S55-powered BMW models

Direct-fit replacement for the OE auxiliary radiator in the charge cooling circuit.

• BMW M3 Saloon F80 — 2015 to 2018
• BMW M4 Coupé F82 — 2015 to 2020
• BMW M4 Convertible F83 — 2015 to 2020
• BMW M4 GTS Coupé — 2016
• BMW M4 CS Coupé — 2019 to 2020
• BMW M2 Competition F87 — 2019 to 2020

Engine: S55

Technical details

• Material: Aluminium
• Rows: 1
• Coolant capacity increase: 2.3 litres
• Dual pass: Yes

Real-world benefits

• More stable intake temperatures on hot days and during extended sessions
• Improved consistency for tuned cars and repeated pulls
• Supports reliable performance without changing the factory charge cooler

What you receive

• Mishimoto S55 low-temp radiator — Part number MMHE-F80-15
• Optional stone guard for added protection
• Lifetime Warranty from Mishimoto

Installation and support

Designed as a direct replacement for the stock front heat exchanger in the charge cooling circuit. For professional fitting, book with MJ Modifications in Warwickshire — request a quote: info@mjmodifications.co.uk.

Compatibility check

We verify fitment before dispatch. Add your UK registration number or the last 7 digits of your VIN at checkout and we will confirm compatibility for your vehicle.

Part number

MMHE-F80-15

Manufacturer and warranty

Brand: Mishimoto

Warranty: Mishimoto Lifetime Warranty

Extra search terms customers use

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