Genuine BMW Radiator Hose Gasket / Coolant Hose O-Ring E60 E61 E82 E

Restore leak‑free performance in your BMW cooling system with this BMW OE sealing ring for the hose connection. Designed to seat perfectly at the coolant pipe union, it prevents seepage, keeps temperatures stable and protects your engine during hard road use or track work. Ideal for N54 twin‑turbo platforms including 135i, 1M, 335i, 535i, 740i, Z4 35i and X6 35iX. Part number 11537545302.

Whether you are chasing a slight coolant loss or refreshing the cooling circuit, this direct‑fit ring is smart preventative maintenance. We have installed this part extensively on customer cars and our own builds with consistently excellent results. Fit is exact, sealing is spot on and customers report reliable, long‑term performance after replacement.

• BMW original equipment sealing ring for precise factory fit
• Stops weeping at hose unions and restores stable running temperatures
• Perfect during hose, thermostat or water pump replacement
• Proven on N54 platforms across 1 Series, 3 Series, 5 Series, 7 Series, Z4 and X6
• Gives peace of mind against low coolant warnings and hot‑running issues
• Part number 11537545302

Common searches it replaces on your parts list include BMW coolant pipe O ring, hose connector seal, thermostat housing ring, water outlet seal, radiator pipe O ring, E9x cooling system ring, N54 coolant union ring and BMW 11537545302.

Compatibility

Fits the following BMW models and years as applicable:

1 Series

• 1' E88 (11/2006 to 02/2010) - 135i
• 1' E82 (11/2006 to 06/2012) - 135i and 1M Coupe

3 Series

• 3' E90 (03/2006 to 09/2008) - 335i and 335xi
• 3' E90 LCI (07/2007 to 03/2010) - 335i and 335xi
• 3' E91 (03/2006 to 08/2008) - 335i and 335xi
• 3' E91 LCI (07/2007 to 02/2010) - 335i and 335xi
• 3' E92 (06/2005 to 02/2010) - 335i and 335xi
• 3' E92 LCI (07/2009 to 06/2013) - 335is
• 3' E93 (10/2005 to 02/2010) - 335i
• 3' E93 LCI (09/2009 to 10/2013) - 335is

5 Series

• 5' E60 LCI (04/2006 to 12/2009) - 535i and 535xi
• 5' E61 LCI (04/2006 to 03/2010) - 535xi

7 Series

• 7' F01 (09/2007 to 06/2012) - 740i
• 7' F02 (09/2007 to 06/2012) - 740Li

X Series

• X6 E71 (01/2007 to 03/2010) - X6 35iX

Z Series

• Z4 E89 (01/2008 to 08/2016) - Z4 35i and Z4 35is

Part Number

11537545302

Fitting and Support

Professional installation available at MJ Modifications in Warwickshire. For a fitting quote or advice, email info@mjmodifications.co.uk.

Compatibility Check

To ensure correct fitment, we run a compatibility check prior to dispatch. Provide your UK registration number or the last 7 digits of your VIN at checkout.

Manufacturer and Warranty

Manufactured by: BMW

Warranty: Two years manufacturer warranty for UK customers and one year for international customers when a VIN is provided at checkout for compatible vehicles.