BruceP

2000 C2 with ~105,000km, proactively replaced its dual row with the LN retrofit three years ago. Original bearing was fine, although the seal had failed.

BruceP

Fake posts are an issue for sure, although it's debatable which way they'd swing the numbers. Otherwise, this isn't really such a bad poll. Given the 95/5 split, and assuming ownership is the only criterion for sample design, the MOE should only be 3 or 4 percentage points on a population of a couple hundred thousand owners. I actually find it kind of interesting.

Kenjazz

73,000....no issues.

street rod

If it was restricted to rennlist members only it might keep out some of the riff raff. However I know a lot of the non-members that responded and voted are solid guys. The lack serious polls make it about all we have to go on.

Peter 642

Bit the bullet and replaced the IMS (and RMS) with the clutch repair. IMS was spotless and functional, but I now never have to worry that it won't be, since I now have an LN engineering IMS in its place, and the original IMS sitting on my desk as a very expensive paperweight....

abruno222

2000 C2 Tiptronic..55K..Proactivley replaced with LN enginering bearing..original bearing was great, seals where great....peace of mind now....

Imo000

Why the lack of trust for non members?

street rod

If someone wanted to vote improperly, I doubt they would spend money to join. They guys we all know are fine.

jakermc

I know this isn't the thread to start a debate, but I have been told of failures of the LN Engineering bearing. It's not a flawless design, we just won't know of its true failure rate for another 10 years.

Dennis C

It has failed. It's a design issue, not just a materials issue. That's why LN now offers The Solution, which eliminates the IMSB.

fanny bay r1

What a complete load of rubish!!!!

Imo000

It doesn't eliminate it but it converrs it from one type of bearing to another.

BruceP

IIRC, the official advice is that the LN retrofit is a wear item and should be replaced at regular intervals. 50,000 miles, maybe... something like that.

aviography

At the risk of not derailing this survey and not technical discussion, IIRC the above is only true for the single row IMSB, hence the new IMSB Solution is only offered for the single row IMSB and not the dual-row IMSB.

Bob Rouleau

Folks, check out the posts in 996 and 986, a class action suit against Porsche for IMS faults has been won. It applies to model years 2001 through 2005. See the post entitled IMS Class Action Suit.