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M3 Forum
![]() E46 M3 (2000-200?)
![]() Another M3 engine gone ('02 SMGII)
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| Author | Topic: Another M3 engine gone ('02 SMGII) |
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sadinw Junior Member Posts: 2 |
My '02 M3C had about 2000 miles on it when I took it to Texas World Speedway for a dealer driving clinic. On my 3rd (warm-up) lap I heard a loud tapping so I pitted ASAP. As soon as the dealer guy heard the sound we called the flatbed. The car sits at the dealer today with an engine on order. They are waiting for some tools to be delivered to do a complete diagnosis (my service advisor stated "yours is the first engine that hasn't come apart, so BMW wants to study it carefully.") This an SMGII car, so over-revving isn't possible in theory... I took BMW M-school last week. We drove SMGII M3's flat-out to the redline in the first three gears, and I learned about "stacking" downshifts (i.e., downshifting one or more gears while at the redline, secure in the knowledge that the tranny won't shift until it is "safe" to do so). We drove these card HARD for two days and nothing exploded. I'll provide more information once I learn more... ------------------ IP: Logged |
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Gravedgr Member Posts: 17 |
CRAP! If anything happens to my engine, you will be able to read about it on the news instead of here as I will be going POSTAL all over my dealership, and then on to BMWNA corporate office! ![]() IP: Logged |
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RJC unregistered |
Yikes! Sorry to hear about your engine.I wonder what's happening to these engines we keep hearing about? I hope whatever it may be is finally recitfified soon. Best of luck on a a proper repair,hopefully they will give you a new engine. IP: Logged |
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jason@roadfly.com unregistered |
Thanks for the help Wayne, i've posted your info in my archive. jason@roadfly.com http://members.roadfly.com/jason/m3engines.htm IP: Logged |
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M3Lover Member Posts: 46 |
It seems a lot of these engines are the early 2002 models. My dealer told me they changed the oil requirement for the newest M3 engines to some other weight than 10w-60 racing. It could have been bad information but that is what the parts guy told me and he should know. My car is a Nov 2002 model and I have 6,500 miles on it. I have taken it to the track twice. The engine has never sounded good from day one. I think the L6 is just not as quiet as a V8. IP: Logged |
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Speedi Member Posts: 239 |
I wish people would post build dates of these cars as well as oil types and average MPG these folks are getting. This would give us a LOT more insight than "my 02" or "my 01" engine blew today. <description of noise> <what dealer is doing about it> etc etc etc. Not raggin anyone... I just wanna know a few more details than anyone is providing. I could care less about the VIN. - Speedi IP: Logged |
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Speedi Member Posts: 239 |
Why are people's FIRST post to this message board one of "my engine blew"?? - Speedi IP: Logged |
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ufgator Member Posts: 110 |
I can't believe the problems some people are having with driving the car hard! a 911 would never do this! A 333hp car for under $60k?...I knew it was too good to be true!...Perhaps BMW should have given us a bit of a bigger engine or a supercharger so we don't have to have one that's SOOOO highly tuned!!!! IP: Logged |
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AMP unregistered |
quote:
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sadinw Junior Member Posts: 2 |
Since I started this thread, and I have seen some questions raised, let me answer... #1. Why was my first post "my engine blew"? I never felt I had anything to add to any of the threads before this. I had no unanswered questions and no brilliant insights, and I don't like to waste people's time with "hi, how are ya'" posts nor with "yeah, right" (or, "what an idiot you are for saying 'x'") comments. It seems people are interested in this topic, so I provided my information. I also spoke up only after I saw several posts on several boards that went, "I saw an M3 engine blow up at TWS last Wednesday." I wanted to present the facts. #2. Why don't people provide more/different information? I modeled my post after those I saw. I also said I'd answer any other questions I could. Specifically, I picked up my car on 1/21/02 and the dealer told me it was built right after Thanksgiving (I can't be more specific as the car is still at the dealer). My car has always used the newer oil (10W60, I think). My mileage was about 2,000. I have no idea what my MPG was (didn't buy an M3 for its gas mileage <G> ). As to why people post their VINs...I don't know, but I did it. I have seen some acrimony over this issue on at least one board, and it appears some folks want to see a valid VIN as verification that the reported problem really happened. You know, posting this problem doesn't help me at all. In fact, I might get BMW mad at me and/or reduce the trade-in value of my car by doing so. I decided that it was useful information that might help get this problem fixed for myself and for others. Again, I'll be happy to provide whatever info I have that people want. Just ask. ------------------ IP: Logged |
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Speedi Member Posts: 239 |
Just to clarify, I wasn't trying to rag on you, sadinw. ![]() Also, thanks for the information. Hmmm... with an SMG II equipped M3, over-reving the engine is not theoretically possible. So, you have a November 2001 built car using the 10W60 Castrol Synthetic oil with around 2000 miles on the car. You know, the break-in period specifies also specifies to keep the revs below redline until 3200 miles is achieved on the odometer. I suppose what I am curious about is your max engine RPMs achieved at the time of its demise? Did SMG allow the engine to over-rev by selecting the incorrect gear? Thanks. IP: Logged |
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Speedi Member Posts: 239 |
Over on Roadfly, there is a guy tracking information on these blown engines. For now, of the 25 he's collected, 7 of 14 where detail was given indicates Nov 2001-Dec 2001 timeframe of car build date. This does NOT mean that this information is enough to go on, but it did show a trend. A note that StoneWalk gave was that these cars have been on the road for 3-4 months. Later production date cars have not been on the road that time, and therefore not enough time may have elapsed for the problem to show. Make any sense? I'm trying to piece it together. - Speedi IP: Logged |
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oddlycalm Member Posts: 14 |
It's apparent to anyone who has really followed the E46 M3 engine failures that there is more going on than simply "operator error" and faulty maintenance and breakin, and the cars that have been abused have partially obscured this information. The shame of it is that BMW dealers and BMWNA have treated so many owners who have not abused their cars so poorly. IP: Logged |
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IwantaM3 Member Posts: 12 |
Well, the more I see these threads, the more the AMG C32 becomes the direction I will go with my $50,000. Wonder if there's a forum for AMG cars out there somewhere... IP: Logged |
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ziff Member Posts: 18 |
Just turned 16,000 glorious miles. Build date is 2/01. I've drag raced it, shifted at 8000 many times. Zero problems. The oil was changed over to the new type over 9 months ago. No idle problems, nothing, never a problem ever. I'd buy another any day. Don't know why others had problems, suppect driver may be the "real" problem. IP: Logged |
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RJC unregistered |
Driver error on a manual could have accounted for some of the engine problems, but on the SMG??? IP: Logged |
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Speedi Member Posts: 239 |
On some, SMG did manage to over-rev. I think it was a software problem that was corrected almost as soon as it was discovered that this COULD happen. As an SMG II ove-rev shift is NOT POSSIBLE (according to the manual), so BMW gets to replace all of those engines without question. The non-SMG trannies, on the other hand, are a different story with different outcomes. If you do mis-shift the car, and your revs scream to 8500 RPM in 0.5s to blow your engine, tough... it's your problem, I suppose. There have been some manual 6-spds where the engine has blown, but the problem appeared to be some part issue, that MIGHT have been correct post Nov-Dec timeframe in 2001. Only time will tell. Personally, I'm really not worried. It's under warranty, - Speedi IP: Logged |
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pmckeon Junior Member Posts: 2 |
quote: ALL THE FOLKS THAT I KNOW (INCLUDING MYSELF) ARE VERY HAPPY WITH THE M3. THE MERCEDES WILL BE THE SAME. (THEY ARE BOTH HIGH TECH AND MECHANICAL) GO WITH WHICHEVER ONE THAT PUTS THE BIGGEST SMILE ON YOUR FACE> IP: Logged |
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