COOLING SYSTEM O-RING KIT: Cooling system hose sealing gaskets are made of high-quality fluororubber (FKM) or hydrogenated nitrile rubber (HNBR) materials, which are resistant to high temperatures, wear, good elasticity, not easy to crack and have good sealing performance. You will receive 20pcs of diversified O-rings to meet your needs. Cooling system o-ring kits can still return to their original shape after long-term compression, avoiding permanent deformation and sealing failure. GOOD SEALING PERFORMANCE: Cooling system o-ring kit is designed for BMW E46 equipped with M52 and M54 series engines including 320i, 323i, 325i, 328i, 330i and other models. The leakproof cooling system o-ring hose seal gasket kit covers the o-rings at each key connection point of the upper and lower radiator hoses of the cooling system, ensuring that the coolant will not leak under high pressure and high temperature environment and maintain the optimal operating temperature of the engine. COMPATIBLE MODELS: Cooling system hose sealing gasket kit fit for BMW E46 M52 M54 320i 323i 325i 328i 330i. Cooling system hose o-ring kit fits 1997-2006 BMW E46 crimp and clamp hose connections with M54 and M52 engines, 320, 323i, 325i, 328i, 330i sedan, wagon, convertible, automatic or manual. Also fits European models 316, 318, 320. Replacement Parts: 13621743299, 17111711987, 11537802638, 11537545278, 11517514942. Before ordering, please check if the model number matches. EASY INSTALLATION: Cooling system O-ring kit is easy to install. First, drain the coolant and ensure that the system is pressure-free before operation. Secondly, remove the old seal ring and clean the interface stains and glue marks. You can consider applying silicone grease to improve the sealing and extend the life of the o-ring. Then, align the card slot to install the new o-ring, press gently to avoid twisting. Finally, fill the coolant test and check if there is no leakage. INTIMATE SERVICE: Fit for BMW E46 M52 M54 engine series cooling system O-ring kit has a smooth surface and no seams. O-rings of different colors and sizes are easy to identify and replace. E46 series engine cooling system O-ring kit ensures that the cooling system works efficiently and reliably. Before ordering, please check whether it matches your equipment model so as to bring you a good use experience. If you have any questions during use, please feel free to contact us.

PROFESSIONAL UPGRADE, E46 FULL SERIES ENGINE COOLING SYSTEM O-RING KIT - PRECISE SEALING, LONG-LASTING PROTECTION!

Cooling system O-ring kit is designed for BMW E46 equipped with M52 and M54 series engines (including 320i, 323i, 325i, 328i, 330i and other models).

The cooling system O-ring kit covers the O-rings at various key connection points of the cooling system, ensuring that the coolant does not leak under high pressure and high temperature environments and maintaining the optimal operating temperature of the engine.

PRODUCT FEATURES:

1. The cooling system O-ring kit is made of high-quality high-elastic rubber material, which is resistant to high temperature, wear, corrosion, good sealing performance and not easy to deform.

2. The cooling system O-ring kit has a smooth surface and no seams to avoid scratches or flipping during installation.

3. The cooling system O-ring kit is marked with different colors and sizes to facilitate your installation and use.

4. The accessories are complete, including the O-rings required for all key sealing points of the cooling system: water tank inlet and outlet joints, expansion tank connections, upper and lower radiator hoses, etc.

COMPATIBLE MODELS:

Fit for 1997-2006 BMW E46 M52 M54 320i 323i 325i 328i 330i sedan, wagon, convertible, automatic or manual.. 

Also fits European models 316, 318, 320. 

Replacement Parts: 13621743299, 17111711987, 11537802638, 11537545278, 11517514942. 

INSTALLATION STEPS:

1. Drain the coolant: make sure the system is pressure-free before operation.

2. Remove the old seal: clean the interface for residual dirt or glue marks.

3. Apply silicone grease (optional): improve the sealing and extend the life of the O-ring.

4. Install the new ring: align the card slot and press evenly to avoid twisting.

5. Liquid filling test: start the engine after filling the coolant, and check if there is no leakage.