The factory cooling hoses on N52-powered BMWs are known to fail over time due to heat cycling, pressure, and brittle plastic connectors. This universal billet hose replacement kit replaces all major OEM plastic fittings and hoses with upgraded components engineered for long-term durability and performance. Each fitting is CNC-machined from 6061-T6 aluminum to precise OEM dimensions and anodized for corrosion resistance. The included high-temp 4-ply silicone hoses are pressure-tested and designed to withstand extreme thermal and mechanical stress. Whether you daily drive, track, or push performance limits, this kit eliminates the most failure-prone areas in the N52 cooling system. Products Fit Manufacturer Name: BMWChassis Codes: E90 / E91 / E92 / E93Models: 323i / 325i / 328i / 330iYear: 2004–2013Engine Type: N52 Kit Includes:115375458901711752471017127531579171275400201712754822417127564478171276185106421695194664219178427 Since this item is shipping direct from MAX Q in Vancouver, Canada, the shipment will incur import tariffs (if shipping to the US) which are due upon receipt of the shipment. Tariff charges are anywhere from $20-$40 depending on the value of the item purchased. Any/all tariff charges are the responsibility of the customer. If you have any questions, please send an email to [email protected] for more information.