[Vehicle Fitment]: Engine Coolant Reservoir Tank for BMW E82/ E88/ E90/ E91/ E92/ E93/ E84/ E89 models from 2006-2016, including 1 Series (128i, 135i, 1M), 3 Series (323i–335i/335is), X1 (sDrive20i), and Z4 roadsters. See the product description for the full fitment list
[Replace OE Numbers]: 17117521071, 17117639020, 17137519368, 17137543026, 17137567462, 17137607482, 17137640514, 376789751, 603-334, EPT0028, FRT1913C, SK603334. Direct replacement with OEM installation positions and no modification required
[Aluminum Alloy]: Our Coolant overflow tank made from high-stability, corrosion-resistant aluminum alloy for exceptional durability and performance. Resistant to high temperatures, cracking, and warping, it effectively reduces oil dilution, cylinder bore wear, and fuel consumption while lowering exhaust emissions and enhancing heating system efficiency
[Premium Quality]: Long life-span matters, that is why our reservoir is crafted from high-quality materials, enables to withstand the stresses of underhood heat, provide long operating life and excellent performance
[Customer Support]: Our coolant tank with a 1-Year Warranty. We manufacture quality products that are tested to meet supreme styling demands of automotive enthusiasts. Any questions, please to message us, we will have a dedicated customer service to serve you