Aluminum Coolant Expansion Tank Reservoir【Direct Fit】for BMW G30 G For Sale
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Aluminum Coolant Expansion Tank Reservoir【Direct Fit】for BMW G30 G
OEM Part Number: 17138742975, 17139487210, 17139884859
Date First Available: September 24, 2025
Premium Aluminum Construction vs. Plastic: Upgrade from failure-prone OEM plastic tanks. Our heat resistant coolant tank is crafted from high-strength, ASTM B 85-03 384 Aluminum, making it a corrosion resistant coolant bottle that eliminates cracking, swelling, and leaking common with plastic reservoirs.
Superior Durability & Leak-Proof Performance: This leak proof coolant tank is rigorously tested to endure 200,000 pressure cycles at 35 PSI with a 100 PSI burst pressure rating. It offers exceptional resistance to extreme under-hood temperatures, preventing coolant boiling and engine overheating.
Easy DIY Installation: Engineered for a hassle-free direct fit, this diy coolant reservoir replacement requires no modifications. Simply remove the old tank, disconnect hoses, install the new bmw coolant reservoir, and reconnect. Complete the job quickly with basic tools.
Complete Kit & 60-Month Warranty: This complete kit coolant reservoir includes 1x Aluminum Coolant Reservoir and 1x Cap. Every tank undergoes strict pressure and leak tests. Backed by our 60-month warranty a cost-effective, durable alternative for your BMW's cooling system.
