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M Coupe
I fell in love with the M Coupe ever since I lined up behind 1 during autox, and been wanting to get 1 ever since. I've started to do some research on picking the right M Coupe for me. The first Obvious choice I need to make is pre-2001 or post-2001. That extra power is extremely tempting, but do I really need it for everyday street use? What about the issues with S54 engine failure? How serious is it? Are there any other issues I should be worried about? I've heard something about a welded piece in the rear breaking off. How serious is this? Thanks in advance for any help.  | | Reply » M Coupe |
well you, as they say, have hit the nail on the head.
S52 engine is bulletproof and able to be modified a lot. Its been around a long time.
S54 is a special high RPM race engine for the street. Its a work of art!
late vintage S54's should be safe.
This is all IMO of course for the S54
The S52 I don't think anyone will disagree with my opinion.
The rear end isn't a problem for everyone. a lot has to do with how much abuse they had.
Love My Coupe S52
| | Reply » M Coupe |
There have been some S54 failures. IN teh E46 M3 LOTS of failures (but only of cars built ina certain time frmae, a muc lower rate in general). But the engine has a 100,000 mile 6 year warranty against such failures. So it blows up, you get the engine replaced. Nice thing is, you get an updated engine.
But the S52 is definately more bullet proof. And with the cam kit ($3000 plus install) you get most of the HP back (about 295 after mod), or you can slap in a supercharger. So for the same money you can get more car in the S52. For the price difference you can do the suspension and the engine, and keep some change.
| | Reply » M Coupe |
Thanks for the info guys. Is there any significant suspension difference between the S52 & S54? I don't think there is, and I haven't found anything online about it, but then again, there isn't much info on this car.
| | Reply » M Coupe |
I'm fairly new around here, but I'll toss in my 2 cents. I recently purchased an S52 M Coupe after going through a lot of the same searching and research that you are doing. I decided on the S52 based on price vs performance "bang-for-the-buck". After scouring the web for a couple of months, I found that the 0 to 60 and other performance stats (except for top speed) seem to be very close between the two as measured bone stock vs bone stock, but the prices are very far apart (I got my S52 for about $13,000 less than I would have paid for an S54 coupe). A great deal of this is due to the rarity of the S54 vs the S52. Far fewer S54 coupes were built (although there are not exactly a lot of S52 coupes around either compared to Boxsters, etc). To a lesser degree, some of the price gap is of course due to the fact that an S54 is a newer year model than an S52.
I found an S52 coupe that someone had already put the 3.73 diff into, so the 0 to 60 performance of my S52 is probably equal to or better to any stock S54 coupe (opinion only, since I have never drag raced an S54). However, the S54 has a higher redline and consequently a higher top end speed than my S52. But for me, I had to honestly ask myself if I ever really expect to exceed 137 mph, even on the track. Probably not. On the track, its mostly about accelerating madly out of one corner and then quickly decelerating into the next corner. For this, the S52 with the 3.73 rear end seems well suited. (Some day, I hope to put a 6 speed in it.)
My S52 also serves as my daily commuter and it will probably have 100K miles on it before it gets retired to a weekend toy, so I also appreciated the fact that the S52 engine enjoyed a better reputation for long term wear than the S54.
Having said all of this (and with a slight bias because I own an S52), I would still love to have an S54 mostly just for its rarity and uniqueness (is that a word?). And to be able to watch people's reaction when you tell them how much horsepower it has. Apples to apples, the S54 is a cooler car than the S52. But given the large price difference, its not apples to apples. You will have to ask yourself if it is $12K+ cooler and if that price tag is worth it to you. And, for me, I would be less inclined to use an S54 as a daily commuter than an S52 mostly due to its rarity. Of course, if the right S54 coupe came up for sale, I would probably mortgage my house to buy it. ;-)
| | Reply » M Coupe |
Quote: | That extra power is extremely tempting, but do I really need it for everyday street use? | "need" is a very subjective word
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M Coupe