Monday, March 16, 2026 Subscribe
Rult Ideas

Curated stories for the modern intellect

Bmw F30 Coolant Reservoir Cap

By the Editorial Staff

March 16, 2026

BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ...
BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ... Image via shopee.com.my
BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ...
BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ... Image via shopee.com.my

Shop OEM BMW Coolant Reservoir Caps at BMW Parts Deal Up to 30% off Now! We offer factory BMW Coolant Reservoir Caps for all BMW series and models. This part is listed by BMW as BMW part number 17117639020 (17 11 7 639 020) and is described as Coolant Expansion Tank Cap (sometimes called the radiator cap, even though it's actually installed on the expansion tank). This cap is used on many models and chassis, such as the E90/E91/E92/E93 3 Series, E82/E88 1 Series, E84 X3, E70 X5 35d, E89 Z4, F22/F23 2 Series, F30/F31/F34 3 Series, F32/F33.

Engine Coolant Reservoir Tank w/ Cap for BMW F22 F23 F30 F31 F32 F36 ...
Engine Coolant Reservoir Tank w/ Cap for BMW F22 F23 F30 F31 F32 F36 ... Image via www.ebay.com

OE BMW Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 F12 F06 This radiator expansion tank cap is used most BMW's from 2006+. It is a common failure item. When this item fails, it cannot hold pressure which results in your BMW overheating.

17117639020 - OE BMW Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 ...
17117639020 - OE BMW Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 ... Image via www.turnermotorsport.com

If you are overhauling your coolant system, now is the time to consider preventative replacing this cap. Billet Coolant Reservoir Cap - Anodized Clear Upgrade the visual appeal of your engine bay with Vargas Turbo Technologies' Billet Caps! 2X Entries For Our Spin To Win Sweepstakes! 1 Set Engine Coolant Reservoir Water Expansion Tank for BMW F22 F23 F30 F31 F32 F36 230i Coolant Radiator Reservoir Bottle with Cap No.17138677649.

17117639020 - OE BMW Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 ...
17117639020 - OE BMW Coolant Expansion Tank Cap - E90 E92 F30 F32 F10 ... Image via www.turnermotorsport.com

Set of 2 Coolant Expansion Tank Cap For BMW E82 E90 E92 X3 X4 X5 Z4 F10 F30 F32 $19.99 Free shipping. ZOOMKEY Expansion Tank Coolant Cap Compatible With BMW E82 E90 E92 X3 X4 X5 Z4 F30 F10 17117639020 About this item Enhanced Performance: The ZOOMKEY Expansion Tank Coolant Cap is designed specifically for a range of BMW models, ensuring optimum coolant system performance and reliability. This part is listed by BMW as BMW part number 17117639020 (17 11 7 639 020) and is described as Genuine BMW Coolant Expansion Tank Cap (sometimes called the radiator cap, even though it's actually installed on the expansion tank).

(GENUINE BMW PARTS) SCREW CAP FOR COOLANT EXPANSION TANK BMW F10 F20 ...
(GENUINE BMW PARTS) SCREW CAP FOR COOLANT EXPANSION TANK BMW F10 F20 ... Image via shopee.com.my

This cap is used on many models and chassis, such as the E90/E91/E92/E93 3 Series, E82/E88 1 Series, E84 X3, E70 X5 35d, E89 Z4, F22/F23 2 Series, F30/F31/F34 3. Buy Genuine OEM Engine Coolant Reservoir Cap Radiator Inner Brace Main Primary For BMW E70 E84 E89 E90 F01 F02 F06 F10 F13 F15 F16 F22 F25 F26 F30 F87 F90 F98 G01 G05 G07 G12 I12 Twin Turbo M Competition: Automotive. BMW Blue Engine Coolant Reservoir Cap is the perfect upgrade for BMW owners looking to enhance both the performance and appearance of their engine bay.

BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ...
BMW Expansion Tank Cap Sealing Cap Coolant Tank E90 F30 F32 F83 E60 F10 ... Image via shopee.sg

Constructed from high-quality billet aluminum, this cap replaces the flimsy plastic factory cap, offering improved durability and a sleek, high.

Related Articles