Durable Coolant Expansion Tank for BMW – OEM Quality Direct Replacement

Product Overview:
Designed specifically for BMW vehicles, this durable coolant expansion tank is manufactured from premium heat-resistant and aging-resistant materials, strictly following OEM standards. It stores coolant and maintains cooling system pressure balance, serving as a reliable replacement for aged original tanks.

Vehicle Compatibility:

BMW 1 Series: E81 / E82 / E87 / E88 / F20 / F21
BMW 3 Series: E46 / E90 / E91 / E92 / E93 / F30 / F31 / F34
BMW 5 Series: E39 / E60 / E61 / F10 / F11
BMW 7 Series: E65 / E66 / F01 / F02
BMW X Series: X3 E83 / F25 / X5 E53 / E70 / F15 / X6 E71 / F16 / X1 E84 / F48

Compatible Engines:

• M52 / M54 / N52 / N54 / N55 / N63 / S63 / B48 / B58

Note: Please verify your vehicle model and engine code before purchasing.

Product Features:

Durable Material – Long-Lasting Performance
Made from high-quality reinforced PP plastic – heat-resistant, corrosion-resistant, and aging-resistant. Uniform wall thickness with high strength – resists cracking and deformation over long-term use.

OEM Specifications – Precise Fit
Manufactured to strict BMW factory standards. Tank shape, mounting holes, connector dimensions, and sensor ports match original parts for direct replacement with no modifications required.

Pressure Stability – Safe & Reliable
Built-in precision pressure relief valve automatically regulates cooling system pressure, preventing tank rupture and ensuring safe cooling system operation.

Solves Leak Issues
Perfect replacement for aged original tanks. Resolves common BMW issues including tank cracking, coolant leaks, and engine overheating.

1-Year Warranty – Peace of Mind
Backed by a 1-year unlimited mileage warranty. Contact us with any quality or fitment concerns.