What is the main benefit of this CSF transmission oil cooler?

This CSF transmission oil cooler is lab tested to be approximately 30% more efficient than the OEM unit. It helps keep your transmission temperatures down, especially during demanding driving conditions, to prevent overheating and potential damage.

Does this cooler require modifications to install?

No, this CSF transmission oil cooler is designed as a direct-fit replacement. It accepts all attaching OEM components, including oil-line connections, mounting brackets, and shroud/ducting, meaning no modifications are needed for installation.

What specific BMW models does this cooler fit?

This cooler is designed for various BMW models including the 335i (2007-2013), 335is (2011-2013), 335xi (2007-2008), M3 (2008-2013), and X1 (2013-2015).

CSF Transmission Oil Cooler 8042 - BMW M3 335i

Name: CSF 07-13 BMW M3 (E9X) DCT Oil Cooler
Brand: CSF
SKU: csf-csf-07-13-bmw-m3-e9x-dct-oil-cooler-t14-205310
Price: 449.00 USD
Availability: InStock

CSF 07-13 BMW M3 (E9X) DCT Oil Cooler

$449.00

Only 4 left in stock

CSF Trans/Oil Cooler for 07-13 BMW M3 (E9X) DCT. Lab tested 30% more efficient than OEM.

Key Features

Fits 2007-2013 BMW 335i, 2008-2013 BMW M3, and other models.
Features a 1-row, 22mm wide, 11-channel microtube core using CSF's AC condenser technology.
High-density, multi-louvered fin design increases surface area contact by 20% over OEM.
Dual-pass core design with 11 cooling tubes compared to the OEM 10-tube design.
Lab tested to be approximately 30% more efficient than the OEM cooler.
Designed as a direct-fit replacement, accepting all attaching OEM components.

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Will it fit your car?

Product Details

When you're pushing your BMW M3, 335i, or 135i hard, keeping transmission temperatures in check is crucial. This transmission oil cooler from CSF is designed to help you do just that. It's built using CSF's AC condenser technology, featuring a 1-row, super-high pressure 22mm wide microtube core with an 11-channel design. This setup offers about 30% more cooling efficiency than the stock unit, as confirmed by lab testing, giving you more confidence during spirited driving or track days.

What you get in this kit is a direct-fit replacement for your OEM cooler, meaning it accepts all the original attaching components like oil-line connections, mounting brackets, and ducting, so you won't need to modify your vehicle to install it. The cooler's core has a high-density, multi-louvered fin design that increases surface area contact by 20% compared to the original part. It also features a dual-pass design with 11 cooling tubes, compared to the OEM's 10, further enhancing its ability to dissipate heat.

This CSF transmission oil cooler is a popular choice for owners of E9X M3, 335i, and E8X 135i models looking for improved thermal management. It's designed to be a true plug-and-play solution, replacing OEM part number 17227521376.