BMW Engine Coolant Expansion Tank Replacement – OEM Quality Direct Fit
Product Overview:
Designed specifically for BMW engines, this coolant expansion tank replacement 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 direct 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:
Note: Please verify your vehicle model and engine code before purchasing.
Product Features:
OEM Quality – Direct Replacement
Manufactured to strict BMW factory standards. Tank shape, mounting holes, and connector dimensions match original parts for direct installation with no modifications required.
High-Quality Material – Durable & Reliable
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.
Pressure Balance – Prevents Leaks
Built-in precision pressure relief valve automatically regulates cooling system pressure, preventing tank rupture or hose leakage.
Solves Common 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.