Hose Radiator Top Lh (Cooltec) (523 525 530 630i N52 N52N) (BMW 5 Series E60 / 6 Series E63/E64) is a key cooling system component designed for the left-hand side of select BMW models. This radiator hose directs coolant between the engine and radiator, helping maintain optimal engine temperature by facilitating efficient heat exchange.
This part suits BMW 5 Series E60 and 6 Series E63/E64 models equipped with the N52 and N52N engines, specifically fitting versions 523, 525, 530, and 630i. When comparing with your old unit, ensure the hose matches the left-hand side position and compatibility with ‘Cooltec’ cooling systems, which enhances cooling capacity in these engine variants.
The radiator hose is integral to preventing engine overheating and maintaining coolant flow integrity. Replacing a worn or cracked hose like this one helps avoid leaks or bursts that could lead to engine damage. Vehicle owners looking to restore proper cooling function or replace an aging hose should consider this exact part to match the described BMW models and engine configurations.
- Position: Left-hand side radiator hose
- Compatible with BMW 5 Series E60 & 6 Series E63/E64
- Engine fit: N52, N52N variants
If this repair may need matching clips, brackets, lights, panels or more than one part, check more Radiators, Quick Repair Bundle or Request a Part before ordering.





