Description:Made of metal and plastic material which is durable and can use for a long time.The good 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: Black, Silver TonePin Number: 2Dimension: 89.7x29x20mm / 3.53"x1.14"x0.79"(L*W*H)OE Number: 7525721/13647525721Fitment:for BMW X5 4.8L V8 2004-2010for BMW 745Li 4.4L V8 2004-2005for BMW 745i 4.4L V8 2004-2005for BMW 750i 750Li 4.8L V8 2006-2008for BMW 645Ci 4.4L V8 2004-2005for BMW 650i 4.8L V8 2006-2010for BMW 545i 4.4L V8 2004-2005for BMW 550i 4.8L V8 2006-2010for BMW 4.4L N62B44 4.8L N62B48Installation:Step 1. Make sure the engine is cool down.
