603-334 Engine Coolant Reservoir Radiator Expansion Tank with Level Sensor Cap for BMW 330i 335i X1 Z4 E82 E88 E90 E91 E92 E93 17137607482 17137567462 17137640514 Item Description ?OE#17137640514. Replace OE#17137607482, 17137567462. Compatible with: For BMW: 08-13 128i?08-10 135i?06-11 323i?07-13 328i?09-13 328i XDrive?07-08 328xi?07-10 335i?09-10 335i XDrive?11-13 335is?07-08 335xi?12-15 X1?09-16 Z4 3.0L?13-16 Z4 2.0L. Please check the second main picture to confirm coolant reservoir whether compatible with your car. ?Function: The coolant tank contains coolant fluid that is discharged from the cooling system attached to the engine. Pressure builds up and released when the coolant is hot and expanding through the radiator and when the engine cools down, the excess fluid flows back into the radiator from the coolant tank of your vehicle. If you are experiencing leaks, low level of coolant and overheating engine then you may have a problem with your coolant reservoir tank. ?High-quality: The coolant reservoir expansion recovery tank with cap is made from high quality plastic materials can withstand excessive heat and vibration, light and durable. While this is not a genuine OEM part, it is a direct replacement and good value. ?Package Included: 1x coolant reservoir + 1x surge cap. (Notice: instruction is not included. Recommended you install under the guidance of professionals.) ?After-Sales Service: We offer 24 hours customer service and 1 year product service, If you are encounter product installation, product quality and other problems, please feel free to contact us. ? See more product details For BMW: 08-13 128i?08-10 135i?06-11 323i?07-13 328i?09-13 328i XDrive?07-08 328xi?07-10 335i?09-10 335i XDrive?11-13 335is?07-08 335xi?12-15 X1?09-16 Z4 3.0L?13-16 Z4 2.0L. Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.