Feature: 1. This aluminum cooler accessory has been designed and manufactured to suit OEM applications with precise tolerances and significantly improved functionality. 2. The coolant flow path through the center of the joint is optimized to maximize the cooling flow. 3. There is no sharp angle on the joint, so the cooler will not be interrupted when passing through. 4. The parts can be replaced directly without modifying any part of the system. 5. Made of high quality aluminum alloy materials for durability. Specification: Condition: 100% Brand New Item Type: Water Hose Fitting Material: Aluminum Alloy Color: As Picture Shown OE: 11537541992 11537544638 Fitment: Fits for 325i, 330i, 525Xi, 528i, 530i, 530xi 2006 – 2010 3.0L Non Turbo N53 Fits for 335i, 335Xi, 135i 3.0L Twin Turbo N54 Fits for X3 N52 Fits for Z4 2.0L Turbo N20. Package List: 1 x Water Hose Fitting1 x Flange Note: Please double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!