Description:Made of metal and plastic material which is durable and can use for a long time.The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector.This is a non-OEM product, accessory only!Specification:O-Rings Included: Yes, preinstalledOrifice Type: 4 Holes DiscVoltage: DC 12VMaterial: Metal, PlasticColor: BlackOE Number: 7506158, 13537506158Pin Number: 2Dimension: 78x29x20mm / 3.07"x1.14"x0.79"(L*W*H)Flow Rate: Same asFitment:for BMW 116i 118i 120i E87 2003-2011for BMW 316i 318i E46 2001-2005for BMW 316i 318i 320i E90 2004-2012for BMW X3 E83 2005-2011for BMW Z4 E85 2005-2009Package Included:4 Pcs Fuel InjectorInstallation:Step 1. Make sure the engine is cool down. Disconnect the battery.Step 2. Remove the bolts and brackets from the fuel rail.Step 3.
