SKU: 95433875106

BMW Engine Coolant Reservoir Cap

$143.10 $159.00
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  • USA
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19

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Description

BMW Engine Coolant Reservoir CapThe Precision Raceworks Engine Coolant Reservoir Cap is a functional and stunningly stylish way to add a nice touch to any engine bay! This cap come in three color options so there is always a color that will work for you! Black with Billet, Black with Blue, and the Stealth series (all black). Many people don't realize it but the OEM caps have a pressure release valve built into them. Often times aftermarket companies don't know this either or just

The Precision Raceworks Engine Coolant Reservoir Cap is a functional and stunningly stylish way to add a nice touch to any engine bay!

This cap come in three color options so there is always a color that will work for you! Black with Billet, Black with Blue, and the Stealth series (all black).

Many people don't realize it but the OEM caps have a pressure release valve built into them. Often times aftermarket companies don't know this either or just don't care. But our team cares about proper function just as much as we care about the appearance in every product we design. For pressure relief, our caps incorporate the OEM internals, so you get all the functionality of the original caps, ensuring a safe and reliable system in place.

These caps offer superior style and performance-grade components that guarantee a reliable fit every time. Durable billet aluminum construction provides long-lasting protection and dependability that will upgrade your engine bay for years to come.

Other companies make covers that install with adhesive over your factory caps and can come off over time. These caps offer superior style and performance-grade components that replace the factory cap not just cover it up. Durable billet aluminum construction provides long-lasting protection and dependability that will upgrade your engine bay for years to come!

  • Weight: 0.391 lbs
  • Material type: Anodized Aluminum
  • O-Ring Material: Viton
  • Retains OEM Pressure Relief: YES

PLEASE NOTE:

These do require assembly and swapping the pressure relief valves from your old caps to your new billet caps. 

 

Fitment Note

If your primary expansion tank cap looks like this:

You will need to purchase a different coolant expansion tank cap to use as the donor cap. 

BMW Part number 17117639021

          Fitments

          • Bmw 128i 2008 to 2014
          • Bmw 135i 2008 to 2014
          • Bmw 228i 2014 to 2016
          • Bmw 228ix 2015 to 2016
          • Bmw 230i 2017 to 2021
          • Bmw 230ix 2017 to 2021
          • Bmw 320i 2012 to 2019
          • Bmw 320ix 2013 to 2019
          • Bmw 323i 2006 to 2012
          • Bmw 325i 2005 to 2006
          • Bmw 325xi 2006
          • Bmw 328d 2014 to 2018
          • Bmw 328dx 2014 to 2019
          • Bmw 328i 2007 to 2016
          • Bmw 328ix 2013 to 2016
          • Bmw 328xi 2007 to 2013
          • Bmw 330e 2016 to 2019
          • Bmw 330i 2005 to 2019
          • Bmw 330ix 2017 to 2019
          • Bmw 330xi 2006
          • Bmw 335d 2009 to 2011
          • Bmw 335i 2006 to 2015
          • Bmw 335is 2010 to 2013
          • Bmw 335ix 2013 to 2016
          • Bmw 335xi 2007 to 2013
          • Bmw 340i 2016 to 2019
          • Bmw 340ix 2016 to 2019
          • Bmw 428i 2014 to 2016
          • Bmw 428ix 2014 to 2016
          • Bmw 430i 2017 to 2020
          • Bmw 430ix 2017 to 2020
          • Bmw 435i 2014 to 2016
          • Bmw 435ix 2014 to 2016
          • Bmw 440i 2017 to 2020
          • Bmw 440ix 2017 to 2020
          • Bmw 525i 2004 to 2007
          • Bmw 525xi 2005 to 2007
          • Bmw 528i 2007 to 2017
          • Bmw 528ix 2012 to 2017
          • Bmw 528xi 2007 to 2010
          • Bmw 530e 2017 to 2023
          • Bmw 530ex 2017 to 2023
          • Bmw 530i 2004 to 2023
          • Bmw 530ix 2017 to 2023
          • Bmw 530xi 2005 to 2007
          • Bmw 535d 2014 to 2016
          • Bmw 535dx 2014 to 2016
          • Bmw 535i 2007 to 2017
          • Bmw 535ix 2007 to 2017
          • Bmw 540dx 2018
          • Bmw 540i 2017 to 2023
          • Bmw 540ix 2017 to 2023
          • Bmw 545i 2004 to 2005
          • Bmw 550i 2006 to 2013
          • Bmw 550ix 2010 to 2013
          • Bmw 640i 2012 to 2018
          • Bmw 640ix 2013 to 2020
          • Bmw 645ci 2004 to 2005
          • Bmw 650i 2006 to 2012
          • Bmw 650ix 2012
          • Bmw 740ex 2017 to 2018
          • Bmw 740i 2010 to 2022
          • Bmw 740ix 2016 to 2022
          • Bmw 740ldx 2014 to 2015
          • Bmw 740li 2010 to 2015
          • Bmw 740lix 2013 to 2015
          • Bmw 745ex 2019 to 2022
          • Bmw 750i 2009 to 2019
          • Bmw 750ix 2010 to 2022
          • Bmw 750li 2009 to 2012
          • Bmw 750lix 2010 to 2012
          • Bmw 760ix 2023
          • Bmw 760li 2010 to 2014
          • Bmw 840i 2020 to 2023
          • Bmw 840ix 2020 to 2023
          • Bmw Alpina B7 2010 to 2022
          • Bmw Alpina B7l 2010 to 2012
          • Bmw Alpina B7lx 2011 to 2012
          • Bmw Alpina B7x 2011 to 2012
          • Bmw Alpina Xb7 2021 to 2023
          • Bmw Hybrid 3 2013
          • Bmw Hybrid 5 2012 to 2014
          • Bmw Hybrid 7 2010 to 2012
          • Bmw Hybrid 7l 2010 to 2014
          • Bmw Hybrid X6 2010
          • Bmw I8 2015 to 2020
          • Bmw M2 2016 to 2023
          • Bmw M235i 2014 to 2016
          • Bmw M235ix 2015 to 2016
          • Bmw M240i 2017 to 2021
          • Bmw M240ix 2017 to 2021
          • Bmw M3 2008 to 2023
          • Bmw M340i 2019 to 2023
          • Bmw M340ix 2019 to 2023
          • Bmw M4 2014 to 2023
          • Bmw M440i 2021 to 2023
          • Bmw M440ix 2021 to 2023
          • Bmw M5 2006 to 2023
          • Bmw M550ix 2017 to 2023
          • Bmw M6 2006 to 2010
          • Bmw M760ix 2017 to 2022
          • Bmw M8 2020 to 2023
          • Bmw M850ix 2019 to 2023
          • Bmw X1 2011 to 2015
          • Bmw X3 2011 to 2023
          • Bmw X4 2014 to 2023
          • Bmw X5 2009 to 2023
          • Bmw X5 3 0si 2007 to 2010
          • Bmw X5 35i 2014 to 2018
          • Bmw X5 35ix 2010 to 2018
          • Bmw X5 4 8i 2007 to 2010
          • Bmw X5 50ix 2010 to 2020
          • Bmw X5 M 2010 to 2023
          • Bmw X5 M Comp 2022 to 2023
          • Bmw X5 M50ix 2020 to 2023
          • Bmw X5 M60ix 2023
          • Bmw X6 2015 to 2023
          • Bmw X6 35i 2015 to 2019
          • Bmw X6 35ix 2008 to 2019
          • Bmw X6 50ix 2009 to 2014
          • Bmw X6 M 2010 to 2023
          • Bmw X6 M Comp 2022
          • Bmw X6 M50ix 2020 to 2023
          • Bmw X6 M60ix 2023
          • Bmw X7 2019 to 2023
          • Bmw X7 50ix 2019 to 2020
          • Bmw X7 M50ix 2020 to 2022
          • Bmw X7 M60ix 2023
          • Bmw Xm 2023
          • Bmw Z4 2009 to 2023
          • Toyota Supra 2019 to 2023
          Shipping Notes
          • Free Standard Shipping on $100+ Orders to the USA.
          • Except Preorder products are shipped in 48 hours.
          • Delivery to the USA:
          1. Standard Shipping : 3-10 business days
          • If time is of the essence, please consider selecting expedited delivery for faster service.
          Exchange/Return Notes
          • We offer a 30-day return/exchange service after receiving.
          • Final sale items are not eligible for returns or exchanges.
          • To process your return/exchange, please contact us at [email protected]
          • Please click here for more details>>> Return & Exchange Policy
          SKU: 95433875106

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          4.3 ★★★★★
          Based on 9 reviews
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          Product Reviews
          Y
          Verified Purchase
          Yenn
          Chelsea, US
          ★★★★★ 5
          Cute and elevated
          Color: 10-Gold-100
          These are really cute and really elevate our client experience at a minimal investment. We offer a complimentary glass of champagne to our clients and we use these as an addition to serve juice, soda or water. They are durable and pretty think, much better than using a thinner red solo cup and the gold addition the cups really makes them look expensive.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on May 6, 2026
          K
          Verified Purchase
          Kim CALDWELL
          Phoenix, US
          ★★★★★ 5
          Great cups for any occassion!
          Color: 9-Silver-200
          These cups worked great for the rehearsal brunch and we were able to use the rest at one of the beverage stations at the reception. They were very good quality and the silver ring around the top added extra sparkle. Highly recommend!
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on April 27, 2026
          G
          Verified Purchase
          George Anthony
          Phoenix, US
          ★★★★★ 5
          Great Quality and Elegant Look!
          Color: 9-Silver-100
          I ordered these 9 oz silver-trimmed plastic cups for a dinner gathering , and they turned out perfect. The silver rim gives them an upscale, classy look great for parties or more formal events like weddings. They’re sturdy and don’t feel flimsy at all, even when filled with ice and drinks. Guests complimented them several times, thinking they were real glass! Cleanup was easy since they’re disposable, but honestly, they’re durable enough to rinse and reuse if you want. Highly recommend for anyone looking to elevate their party setup without spending a lot.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on October 10, 2025
          M
          Verified Purchase
          M
          Battle Creek, US
          ★★★★★ 5
          Good quality choice
          Color: 9-Gold-200
          Very good quality for a wedding. Used for wine with a larger size for beer. Great match and not flimsy or thin quality. Can be washed and used again as the gold band doesn't wash off easily and they still look new after one use, or toss.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on April 24, 2026
          S
          Verified Purchase
          Scottie
          Fort Morgan, US
          ★★★★★ 4
          Perfect for any event
          Color: 9-Gold-100, Color: 9-Gold-100
          Perfect for any event. A little flimsy but sturdy enough for cocktails. Color matched my decor perfectly
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on November 30, 2025

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