The Tappet Menace Uncovering the Hidden Cause of HPFP Issues

The WSM basically just says to replace damaged components as necessary. I see no reason why you could not replace the fuel pump tappet and be on your merry way, ... ... wear item with a longer service interval ... Unlike some issues, a failing high-pressure fuel pump makes itself apparent on the way out. Ive seen too many of these being replaced for wear. If they are wearing out, with a stock pump, you likely have a cam material issue. Its ... Took me about 2 hours and lots of spilled fuel to get those suckers all out and the injectors pulled out. ... behind me after I was 3/4 of the way ... Because the crack went all the way across, after the epoxy it actually is leaking out of the valve opening now. I ordered a new pump. In ... Here is a proper way of replacing BMW 335i E90 E92 E93 High pressure Fuel pump replacement. A step by step guide to a HPFP N54 engine ... With the tappet worn completely through, your fuel pump actuator had to be riding directly on the cam lobe. I find it hard to believe there is no damage. (2) The high-pressure fuel pump supplies insufficient oil to the injector. The reasons are the wear of the plunger coupling, the breakage of the ... Follow eSI procedure under "Engine | Engine Mechanical - 2.0L | Repair Instructions - On Vehicle | Intake Camshaft and Valve Lifter Replacement ... Just replaced my HPFP on Saturday and pulled the cam follower to inspect. Looked great after 40k miles, virtually no evidence of wear.