CSF Cooling - Racing & High Performance Division BMW E82 1M / 08-11 E8X 135i / 07-11 E9X 335i / E89 Z4 (AT) All-Aluminum Radiator 7046
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CSF has over 5 decades of experience manufacturing radiators. So when it comes to keeping your engine cool and your 1M/135i/335i/Z4 running at its best, a CSF High-Performance All-Aluminum Radiator is the obvious choice. Designed to perform on the street or at the track, a performance radiator is a must-have for both high horsepower builds as well as race vehicles which need added cooling performance in motorsports environments. This radiator features a 2-Row core with CSF's exclusive B-Tube Technology: Unlike a regular oval shape "O" type radiator tube, CSF uses a specially engineered tube in the shape of a "B". These "B-tubes" are carefully formed and then brazed over the seam to seal. CSF is able to use thinner and lighter aluminum material (with better cooling efficiency) because this design is actually stronger than normal "O" shape tubes that are welded. The design (inlet in the middle of the tube that is seam brazed) increases the heat transfer surface area of the tubes by approximately 15% over regular tubes - producing the efficiency of two smaller tubes vs. one large tube within the same space criteria. With "B-tubes" you are able to get "dual liquid laminar flow". CSF also uses ultra efficient multi louvered fins that are carefully and precisely aligned to maximize airflow through each radiator core. Fin specifications are carefully measured and calculated for each application, and tested for maximum heat rejection efficiency in our wind-tunnel lab.The CSF 1M/135i/335i/Z4 radiator is a true "Drop-in fit" design requiring no modifications to install. OE style brackets are all CNC machined and welded for the best durability possible. Inlet/Outlet connections are designed to match the OE connections so you can reuse OEM hoses or aftermarket. Trust the cooling experts at CSF for the best performing, highest-quality, and most reliable radiators.Fitment Note: If your E9X is currently equipped with the BMW 17117788903 (2020 Supersession of the BMW 17117547059), you will need to make one of two changes. 1) Plug the transmission cooler inlet on the right side tank below the main radiator hose connection. Contact CSF for the available plug. 2) Convert the cooling system back to the original setup using the BMW Connector 17117548104 + O-Ring 17111711987 + Hose 17127548203.
| Retailer | Base | Shipping | Tax | Availability | Total Price | ||
|---|---|---|---|---|---|---|---|
$639.00 | --- | --- | In Stock | $639.00 |
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