Coolant Hose Flange Fitting Water Hose Fitting For BMW X1 X3 X4 X5 X6 Z4 E85 E86
1x Billet Aluminum Coolant Port Flange Fitting. The N54 engine sees failure at the plastic cylinder head outlet adapter connecting the cylinder head to the thermostat hose. For N20 (2.0L turbo) Z4 2013 & up.