Mishimoto BMW N54/N55 Manual Transmission Radiator for 135i 335i E82 E88 E90 E92 E93 | Performance Alloy Aluminum/Aluminium Uprated Replacement | Direct-Fit Plug & Play Dual-Row Core | 1 Series & 3 Series Cooling Upgrade | MMRAD-E90-07

Uprated alloy cooling for BMW 135i and 335i manual models

Push your turbocharged straight six harder with confidence. This Mishimoto alloy radiator is a bolt-on replacement for manual-transmission E8x and E9x cars that transforms cooling performance without cutting or modifying the car. Built with a fully brazed dual-row core and welded aluminium end tanks, it is a tough, efficient solution for spirited road use, tuned N54 and N55 builds and track days where heat soak and rising coolant temps can ruin the fun.

We run this unit on our own projects and many customer cars and it delivers stable temperatures, excellent durability and a factory-quality fit. If you are hunting for a robust BMW 135i or 335i alloy rad that installs using the factory mounts and quick-connect hoses, this is the proven choice.

Why it works

• Engineered for manual E90 E92 E93 335i and E82 E88 135i applications
• Dual-row aluminium core with robotically TIG-welded tanks for strength you can rely on
• CNC machined quick-connects for seamless use with OEM hose couplers
• Approximately 35 percent greater coolant volume for added thermal headroom
• Around 25 percent thicker core for stronger heat rejection under load
• Brushed alloy finish and high-grade materials throughout
• Includes Mishimoto magnetic oil drain plug with dowty seal
• Backed by Mishimoto Lifetime Warranty

Fast facts

• Fits 2006 to 2013 335i and 2007 to 2012 135i manual transmission cars
• Plug and play fitment using the factory mounting points
• OEM style quick-connect inlet and outlet
• All aluminium construction replaces failure-prone plastic tanks
• Ideal for tuned street cars, track day use and performance builds

Technical details

• Overall size: 28.3 in x 14.9 in x 4.1 in
• Core thickness: 1.57 in
• Rows: 2
• Tank wall thickness: 0.08 in
• Connections: OEM style quick-connect
• Drain plug thread: M12 x 1.5

Vehicle fitment

Manual transmission only

• 08 to 12 BMW E82 135i Coupe
• 10 to 12 BMW E82 M Coupe
• 09 to 12 BMW E84 X1 28i, 28ix, 35ix
• 07 to 12 BMW E88 135i
• 11 to 12 BMW E89 Z4 28i
• 09 to 12 BMW E89 Z4 35i
• 06 to 11 BMW E90 335i and 335xi
• 07 to 13 BMW E92 335i, 335xi, 335is
• 07 to 13 BMW E93 335i, 335xi, 335is

Compatibility check

We verify fitment before dispatch. For UK cars supply your registration number, or provide the last 7 of the VIN. Add your details at checkout and our team will confirm suitability.

Installation and support

This is a direct replacement that uses factory hardware and the OEM quick-connect hoses. Professional fitting is recommended.

Want it fitted by specialists? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a quote.

Part number

MMRAD-E90-07

Warranty

Mishimoto Lifetime Warranty.

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