If you were in my shoes, what would you do?
My 2003 Boxster S now has 117k miles on it. I was quoted $4,000 to do a IMS Solution upgrade and $3,000 for a LN IMS bearing upgrade. Please note I have a Tiptronic transmission, so the labor cost is higher. From my understanding the engine has to come out with the Tiptronic trans. EDIT: This may not be the case after checking some more on it.
So, if you were in my shoes with a engine with that many miles on it. Would you Have the IMSB upgrade done? or Leave as is, and get another engine when this one fails? Either way the engine has to be pulled. EDIT: This may not be the case after checking some more on it. . |
At this point keep driving as is. Put the money towards a lower mileage Boxster or if this one is a keeper put the money towards an engine rebuild.
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I should have been clear on that part. Yes, it's a keeper. I love this car, I will own this car until I die.
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mine is at 114k, and i'm having similar thoughts.. i have a few cars so the 986 is not necessary as a daily driver,.. mine is a 6 speed so i'm thinking that when the clutch needs doing, i'll drop the engine and transmission and do the IMS, RMS, and perhaps give it a partial rebuild.
The 986 is getting on a bit now, prices have started to firm up and a completely OEM car with matching chassis, engine and gearbox numbers from the build sheet, with a good documented history is going start appreciating as the hacked and chopped ones find their way to the scrapyards. Having just rebuilt the front suspension, replaced the steering rack, with a body shell with zero corrosion, i see it as a future classic and so worth keeping tip top. |
I'm guessing that your research has lead you to the decision that it's LN or nothing? It does clearly seem to be the best retrofit. If I didn't have anything else more fun to do with $3-4k, I'd probably go ahead and have it done. I usually have other things I'd rather spend it on though, and after I spent the money, I'd still probably worry about having one of the other failure modes on my (now more expensive) engine.
Are you sure that the engine has to come out on a tip? Once the flywheel is off, I'm not seeing much difference between the jobs. Of course, with the engine out, it's an opportunity to also get the chain ramps and some other wear items. Personally, I'd change the IMSB myself and choose one of the lower cost solutions. "Better than the original bearing" is good enough to get me down the road another 50,000-70,000 miles 'till I fell like doing it again. Also if something fails, I would not worry about keeping a matched original engine unless I had one of the 550s. |
Honestly, I'd leave it. If my memory is correct, you have the dual-row in your S as well as a tip and high mileage. From everything I've read, you would be in the super low percentile of your IMS going out. And for $4000 - that'a heck of a down payment on a new engine. Put the $4 g's into an investment, make some money off it and if the IMS goes, get yourself a new, lower mileage engine using the $4000 you've had making some money. Why fix something that odds are will never break?
Just my 2 cents. |
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Drive as-is. At this point, if the IMS bearing made it almost 120,000 miles, it is likely to make it all the way until some other engine component fails.
When the engine does fail, buy an 80K mile replacement engine from a salvage yard (mine cost $1,800) and have a shop swap it in ($2,500) and you can be back on the road for another 60K+ miles for around $5K. If you can do the swap yourself, you can get it done for ~$3.5K. |
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Gosh, I'd start with a good therapist, and work out the whole rotor edge thing ASAP...
Oh, wait. Just read post. Sorry. I'd pull it out, trans filter & fluid, referb guides and tensioners and all that engine general stuff, and reinstall. Profit. |
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As it turns out, at 68 years of age, it looks as though my Boxster will be my last car and that's ok with me as it has been the most fun car I've ever owned.:cheers: |
Another Option
Another option:
IMS Guardian |
I had my 2002 S IMSB replaced at 140k miles a couple years ago.its also a Tip. My cost was $1200. The engine did not have to come out to do the job.
Btw the old IMSB was perfectly fine. I had it changed cause LN and JR did a great job marketing their product. |
Take good care of your car with frequent oil changes and drive it like you stole it. When it finally goes, you had to take the motor out anyways right? Just replace it with a shiny 4.0L :D
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So here's a contrarian view...
If you plan to keep your car a long time, say past 200K miles, then the IMS solution makes economic sense compared to putting in the LN Retrofit or Gen 2 Pro. The risk you're taking is whether some other critical engine component will fail before you reach your mileage goal. And that's hard to know. I just faced the same issue when the clutch needed replacing at 125K miles. My camshaft deviations were close to out of spec. So I had the shop replace the chain rails, the variocam solenoids and thoroughly inspect the lifters and other items before making the IMSB decision. I went ahead and installed the Solution. If my bet doesn't pay out so be it. I'd rather bet on an engine I know over the lifetime of the car rather than one that comes from wreck in a junkyard. BTW: My OEM bearing looked great - almost brand new - when it was take out and it didn't wobble at all. When I removed the outer seal, however, it was clear the grease had been washed out. It was only a matter of time before it would have failed. |
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Yeah, standard M96, right. It's the Mezger part I was interested in. :cheers:
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IMS seems to be more a personal opinion vs. hard fact unfortunately. If only Porsche would release more info, we might all have a cleared view of the actual percentage/risks. |
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