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IMS data collection update - 132 cars (Page 3)

Bearing failures. I also have the data where people had them replaced but they stated there was nothing wrong with the original when removed. Out of 132, 29 have been replaced (but 6 of those were the failures shown in the charts).
 
Great work Alex. You should be on wages!
Rick
 
:cap:
 
Evening

2002 996 c4s owned for the last 16 months, 73k miles to date no IMS change car pulls like a train just spent £1700 on various works service & had the car fully checked over, indy report was to have the car insured for an agreed value ( which I done ) so it must be a good one. My indy said if its not broken don't fix it! Happy motoring.

PDCC4S
 
I've posted my data but just to say that out of all the bearings, it was the *replacement* one that was boderline failure (likely due to poor fitment). All the paperwork says the old bearings were just fine.
Early 3.4 C2, ferrous pistons blah blah.

I assume if they hadnt been swapped they'd still be going strong.
 
Mines a 996.1 3.4 c2. 74k and some change. Porsche and specialist history, sevrviced every 2 years though not many miles between most. Mot certificates to back up mileage. No invoices for any major work like ims etc so I'm assuming it's all original. Nice to see some real world figures. This thread has just lifted a weight off my shoulders as I'm new to the 911 experience and had heard all the horror stories
 
Hi Alex

2003, 64,000 miles C4S

Have had the IMS replaced as I was doing the RMS and clutch and everyone asks "Have you done the IMS bearing" so I replaced it.

Old one was immaculate, no play at all. Total waste of money getting it replaced except for resale purposes.

The garage (Quorn Classics) did have one very tired looking IMS from a 996.1 car but it hadn't failed.

Note: My car has been serviced with oil change every year (except 2008 and 2010) despite having 2 year service schedule.

Thanks for the work.
 
INWB said:
Old one was immaculate, no play at all. Total waste of money getting it replaced except for resale purposes

I speculatively advertised my car over the summer and had two serious enquires. Both long conversations on the phone, all good vibes until 'have you had the IMS bearing done?". No amount of explanation of the evidence, the risk of replacement causing damage or 'check it when the clutch is done" gave the assurance they were after. Very frustrating! One guy even said 'you've explained that really well, are you an engineer?" - but he still wanted £2k off to get it done himself!
 
ASR- 1995 sl320 R129

...kind of vindicates my view that unless you're selling a rebuilt one or have had the IMS replaced then values will be impacted...

No amount of reassurance (whatever data is proffered) to prospective buyers will overwhelm concerns harboured about these engines...

I believe IMS,Bore Score and the usual and universal 100k miles phobia will stick with this engine and be reflected in saleabilty and associated value...

One can state that this shouldn't happen but it will ...
 
Re: ASR- 1995 sl320 R129

GMG said:
...kind of vindicates my view that unless you're selling a rebuilt one or have had the IMS replaced then values will be impacted...

No amount of reassurance (whatever data is proffered) to prospective buyers will overwhelm concerns harboured about these engines...

I believe IMS,Bore Score and the usual and universal 100k miles phobia will stick with this engine and be reflected in saleabilty and associated value...

One can state that this shouldn't happen but it will ...

It does not vindicate any view TBH.

The reality is the internet is awash with stuff and that is what people read and believe. Alex has attempted to get some traction on what members on here have experienced and the data is interesting.
 
...data is one thing...people choosing how to spend their hard earned quite another , as a previous posters experience attests...

Like it or not; this engine has a reputation for fragility;one that naive optimism cannot dispel...

The thing about the internet is that people access it and the thing about people is that they believe what they read...how else do you explain the existence of a The Daily Mail and Brexit ?!
 
data 'v' experience?

There are plenty of folk who have been 'rinsed' out of money by people suggesting all sorts of repairs to these cars over the years. If you are suggesting that some of those 'experiences' are the basis for your (and others) views then it's a cr@p shoot at best.

As for the naive optimism - you know nothing of me and my background.

I am not sure why you are here or why you post - it could be considered trolling at worst, or are you just a 'self enforced' realist'........
 
Alex's data is great. I've a 3.4 and his data shows them to be a safer bet than a 3.6 which is first class news for me. But, I like most, wasn't on here until I had actually bought a car. So the data is only good for current owners
 
...I post because we don't live in north Korea thus my opinion is as legitimate as anybody's; the fact that you don't like it is irrelevant and my suspicion is that some of those that express hostility towards my posts on this subject (and applaud this data ) own cars with engines that haven't had any remedial work thus drive with their fingers crossed which isn't a terribly scientific approach to the demonstrable issues afflicting these engines; although perversely ironic!
 

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