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Old 07-19-2017, 05:16 PM   #1
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How many of us have not changed the IMS

I wonder how many of us have not changed the IMS?

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Old 07-19-2017, 05:25 PM   #2
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I haven't, 66k miles on my 97 and original IMS and clutch still in there.
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Old 07-19-2017, 06:05 PM   #3
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100k and original ims. I had a boxster before with 106k that was also on original. No issues with either.
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Old 07-19-2017, 06:13 PM   #4
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Making me feel better already.
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Old 07-19-2017, 08:26 PM   #5
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In a racing weekend, I will typically do around 400 shifts near/at redline (every upshift). Then I do this 15 weekends a year; so 6,000 shifts at redline per year. With probably a few over-rev downshifts.

I've done this for two years on a used engine with the original IMS bearing that already had 94,000 miles before I installed it. And its still running great.

Of course, at this level of use something will eventually fail (probably sooner than later) but its amazing what they'll take.
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Old 07-19-2017, 08:43 PM   #6
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82K and original
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Old 07-19-2017, 09:01 PM   #7
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Sixteen years with original IMS. I may change it when I do the clutch.
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Old 07-19-2017, 09:05 PM   #8
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'01 S, 126K miles, original IMS.

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Old 07-19-2017, 09:06 PM   #9
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I just recently changed mine, with 15 years and 146K on it. (Actually I had it changed by a pro). I pulled the grease seal off, and there was still a tiny amount of grease left in the bearing, so I'm not sure how many more miles it would have gone. After seeing that, I feel that it was a smart decision to change it. Since I had the clutch replaced, it just made sense to replace the IMS bearing.

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Old 07-20-2017, 02:46 AM   #10
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Those of us that recently purchased our Boxster have no idea 😐 I wish there was a way to find out. Haven't had mine very long but don't plan on replacing.
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Old 07-20-2017, 03:39 AM   #11
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Quote:
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... I wish there was a way to find out....
If the PO had an LN replacement you'd have a little LN authenticity code sticker added somewhere on the door jamb or under the hood.
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Old 07-20-2017, 03:45 AM   #12
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If the PO had an LN replacement you'd have a little LN authenticity code sticker added somewhere on the door jamb or under the hood.
Yes but not all replacement companies do that do they? For all I know it could have been replaced 6 months ago 😐
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Old 07-20-2017, 04:28 AM   #13
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Those of us that recently purchased our Boxster have no idea 😐 I wish there was a way to find out. Haven't had mine very long but don't plan on replacing.
I've never done it but maybe you could get a periscoping camera down in there for a look?
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Old 07-20-2017, 04:39 AM   #14
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74K original IMS (as far as I know)
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Old 07-20-2017, 04:49 AM   #15
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102k, original, and never plan to change it for as long as it's a daily driver.

Don't get caught up in the hype of them failing. It's rare, just go and enjoy it.
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Old 07-20-2017, 04:58 AM   #16
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Hi there,

Well, I drove my 53 plate S for 176,000 miles from new (most days) before the engine blew last year and never replaced the IMS...

Last edited by Justin_HM; 07-20-2017 at 05:42 AM.
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Old 07-20-2017, 05:16 AM   #17
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78,xxx with the original IMS. When it is time for the clutch, I'll do it.
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Old 07-20-2017, 06:04 AM   #18
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101,000 KM and all original, no plan on changing it either.
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Old 07-20-2017, 06:19 AM   #19
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77500 km (~48k miles) so far without changing the IMS bearing. Since mine is a 2.5 -99 and had a dual row bearing from the factory, I don't plan on changing it anytime soon.
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Old 07-20-2017, 06:23 AM   #20
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102000 miles including 10000 miles this year. Not changed and no plans to do so.

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