R od bearings are wearing out sooner than expected and their replacement should be considered a required preventative maintenance item before 70 000 miles.
E92 m3 rod bearing upgrade uk.
This problem manifests itself in various types of engine failure but most commonly as connecting rod bearing failure and even crankshaft failure in later models due to a different rod bearing spec.
Rare in the uk but an enthusiast suv in the usa that s commonly supercharged to make some crazy power figures and in.
Here is my take on rod bearings.
E92 m3 conrod bearing shell replacement a very common failure with the s65 engine due to insufficient tolerances from the factory the s65 rod bearings are prone to premature wear leading to a costly rebuild or catastrophic engine failure.
The one question is when i get it replaced with the new style.
Bmw m5 2005 2010 bmw m3 2008 2013 can suffer early bearing failure due to inadequate rod bearing clearance.
I have a 2011 with about 41k miles on it.
Insufficient clearance means insufficient oil flow excessive bearing surface heat and premature wear.
E9x m3 e60 e61 e63 e64 m5 m6 rod bearings.
Im going to buy a e90 or e92.
Rod bearings continue to be a sore subject among m3 m5 and m6 owners and in the s65 v8 have been known to fail within 60 000 miles.
In 2018 acl began to make rod bearings for the s65 and s85 in two varieties a std size and an hx 001 oversize.
Hi name is morgan.
The other of the two major potential failures is the s65 s failure prone rod bearings.
I have the aluminum bearings but will probably plan to do them at higher mileage.
While it has only been documented as the ultimate failure cause for total engine destruction in less than 1 of s65 s sold the number of engines that have experienced premature rod bearing wear is much higher.
I know about the rod bearing issue but when i do replace the rod bearings in my m3.
Unfortunately cost on genuine bmw bearings went up considerably and be bearings became the lowest cost solution for doing rod bearing replacements and achieving industry accepted rod bearing clearance.
Replacing rod bearings on an s54 our good friends over at speed acamedy are currently refreshing an s54 motor for their e46 m3 project and needed to replace their rod bearings if you ve ever dealt with an s54 you know that it s an amazing motor with an unfortunate achilles heel.
