Mishimoto BMW N54 and N55 Performance Aluminium Radiator - Manual 135i and 335i
Upgrade your BMW N54 or N55 cooling system with the Mishimoto Performance Aluminium Radiator for manual E8x and E9x models. This direct-fit BMW 135i and 335i performance radiator replaces the fragile factory plastic radiator with a fully brazed, TIG-welded aluminium core and end tanks for stronger, more reliable cooling on road and track. Ideal for tuned N54 and N55 engines, fast road driving and track days, this BMW 335i radiator upgrade improves heat dissipation, increases coolant capacity and enhances long-term reliability.
We have fitted and used this Mishimoto radiator on our own builds and customer cars, and feedback has been excellent for temperature control and durability. If you are searching for a BMW N54 radiator, BMW N55 radiator, E90 335i radiator upgrade or E82 135i aluminium radiator, this is the proven, drop-in solution.
Why choose this BMW 135i and 335i radiator upgrade
- Direct fit for manual BMW E90 E92 E93 335i and E82 E88 135i models
- Fully brazed two-row aluminium core with robotically TIG-welded end tanks for strength and reliability
- Precision CNC-machined OEM-style quick-disconnect fittings for plug-and-play installation with stock hoses
- 35 percent increase in coolant capacity for improved thermal headroom
- 25 percent increase in core thickness for better heat rejection
- High-quality aircraft-grade aluminium with a smart brushed finish
- Includes Mishimoto Magnetic Oil Drain Plug with dowty seal
- Mishimoto Lifetime Warranty for peace of mind
Features at a glance
- Fits 2006–2013 BMW 335i and 2007–2012 BMW 135i - manual transmission only
- No modification necessary - works with all stock equipment
- Quick-disconnect inlet and outlet mate perfectly with OEM hoses
- Stronger, all-aluminium construction compared to stock plastic tanks
- Great for spirited driving, track use and performance builds
Specifications
- 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
- Inlet and outlet: OEM-style quick-disconnect
- Drain plug thread size: M12 x 1.5
Vehicle compatibility
Manual cars only
- 08–12 BMW E82 135i Coupe
- 10–12 BMW E82 M Coupe
- 09–12 BMW E84 X1 28i and 28ix and 35ix
- 07–12 BMW E88 135i
- 11–12 BMW E89 Z4 28i
- 09–12 BMW E89 Z4 35i
- 06–11 BMW E90 335i and 335xi
- 07–13 BMW E92 335i and 335xi and 335is
- 07–13 BMW E93 335i and 335xi and 335is
Compatibility check
To ensure the part you order fits your vehicle, we run a compatibility check prior to dispatch. We can do this using your registration number for UK cars or the last 7 digits of your VIN. Simply enter your car details at checkout.
Fitting and installation
This is a true drop-in radiator upgrade that uses the factory mounting points and OEM quick-disconnect hoses. Professional installation is recommended.
Want it fitted by experts? Book installation with Nforcd in Warwickshire. Email Sales@nforcd.com for a fitting quote.
Part number
MMRAD-E90-07
Warranty
Mishimoto Lifetime Warranty.
Photos and videos
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