Vehicle Specific Fit:
for BMW 128i 135i E82 2008-2013
for BMW 228i F22 F23 2014-2016 230i 2017-2021
for BMW 320i 2013-2018 328d 2014-2018 328i 2007-2016 330i 2016-2018
for BMW 335d 2009-2011 335i 2007-2015
for BMW 428i 2014-2016 430i 2017-2020 435i 2014-2016 440i 2017-2020
for BMW 528i 2012-2016 530i 2017-2022 535d 2014-2016 540i 2017-2021
for BMW 640i 650i/Gran Coupe 2012-2018
for BMW M2 2016-2018
for BMW M3 2008-2013
for BMW M5 2020-2022
for BMW X1 2013-2015
for BMW X3 2011-2021
for BMW X4 2015-2022
for BMW X5 2009-2022
for BMW X6 2015-2021
for BMW X7 2019-2021
for BMW Z4 2009-2020

Product Details:
OE Number: 17117521071, 17-11-7-639-020, 17117639020, 17117521071
Material: Plastic
Color: Black
Size: 8.8x4.6cm / 3.46"x1.81"(D*L)

Advantage:
The tank cap would prevent the fluid from leaking out and keep the dirt out of the open filler spout.
Made from quality materials to ensure reliable performance and long service life.
To replace your lost, cracked, or failed old broken cap.
Designed to match the fit and function of the old cap on specified vehicles

Kindly Notes:
This is a non-OEM product, accessory only!

Package Content:
1 Pc Coolant Reservoir Tank Cap