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1908 messages, Last post on Dec 02, 2009 at 5:37 PM
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You ought to cruise by this thread in Edmunds.com in the Sports car section! E46 BMW M3 ---- Engines Blowing Up? |
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Best Premium Sports Car in initial Quality: http://www.jdpower.com/auto/search/winners.asp?StudyID=625&CatID=1 |
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| Initial Quality the highest? Surveyed owners simply had lower expectations to begin with ... | |
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I wonder how many of these cases can be attributed to inexperienced BMW owners who don't know how to take care of a high performance engine? They think they have a race car, but don't even know how to read the gauges to make sure the car is properly warmed up, much less make sure that the engine has its proper break in period. I guess the same could be said for some C5 and Z06 owners. Its just that the LS1 and LS6 engines can handle the 'abuse' much better. I personally always have the D.I.C. set to OIL TEMP to help remind me to wait until the engine is ready to go. I think the most important part of a high performance engines longevity is the break in period. If you run the shite out of it before all the components have a chance to seat properly, you are just asking for quick trouble. Someone should start a topic of "what performance car model has the most ignorant, inexperienced, abusive owners" and see how it relates to that particular car's longevity rating. |
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#66 You make a good point! Reading the M-3 blown engine thread is a bit of gallows humor for me! As you probably know I was almost on the list for the 2001 and the 2002 BMW M-3. Given 3000 total USA M-3 production per yr, there is a rumor that there are 88 engines (with more that haven't been published ) with grenading issues. There were pre production rumors through the various car magazines that the major reason for the 2001 BMW M-3 delay was grenading engine issues. That was a MAJOR red flag for me. Evidently, they didnt solve the issues before production, or in fact felt they could deal with the fallout in the market place by fixing only those who are the most insistent. Another personal reason I went to the eight cylinder Z06, was that once you make a 6 cylinder that "performance" oriented, the driver has to take pains to break it in right Operate it right and do the massive amounts of maintenance necessary to keep it running right and keep the engine on the unexploded edge side! One change that they made from the EURO versions that was very nice was to go from solid lifters (expensive and potentially critical adjustments) to a hydralic lifter type situation! Another telling situation (minor red flag) is that the M-3 racing machines much to Porsche's chagrin (since they race against M-3's) went to the eight cylinder! The other oxymoronic thing is that the SMG is supposed to have FAIL safe rev limiters, but out of 88 or more engines a good % of engines that crapped out have SMG !!??? How Corvette might intergrate the concept of SMG remains to be seen. It would be interesting to see what the drive train losses will be, say : 6 speed, normal automatic, and SMG. If the drive train losses are less than the normal automatic, that would be a GLARING advantage. And a big IF, it had the same or less drive train loss than a 6 speed the writing would almost be on the wall! But the truth is that these are not problems that series of dyno runs couldnt ferret out. |
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FWIW, SMG is a manual 6-speed with the foot-operated clutch replaced by a hydraulic pump and electric control valves. Same losses (no more & no less) as a foot-operated manual transmission. |
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#68 Then based on what you said which I already had known, then the writing is on the wall. It makes BMW's auto transmissions as well as Corvette's auto transmissions conceptually obsolete. |
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