Bimmerfest - BMW Forums - View Single Post - signs of F30 N20/N26 timing chain issue, and OCI to the rescue?
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Old 04-22-2017, 09:38 PM
namelessman namelessman is offline
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The issue probably is related to turbo instead of N20/N26 I4, e.g. the foreman also said they are seeing N55 issues(e.g. bad rod bearing). My wild guess is the N20/N26 timing chain was spec'ed for I4, which stress the chain with its intermittent I6 power.

The good old M54 I6 N/A surely has high rev engine that keeps pulling with zero issues. It is unfortunate that BMW has not honestly applied the N63 "customer care package" lessons and have to keep using customers as real-life test cases.

At a minimum BMW needs to step up and take care of its customers, esp. when the issue is with BMW's bread and butter engine tech.

Last edited by namelessman; 04-23-2017 at 08:44 AM.
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