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1279 messages, Last post on Jul 29, 2008 at 5:53 PM
You are in the BMW 3-Series Forum. Your Hosts are pat & karens
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Replying to: circlew (Nov 23, 2007 8:26 am) I have a reputation for being obsessive about proper vehicle maintenance, and it has paid off. In late 2005 I was looking to sell my my wife's 130K 1997 528iA. Carmax offered $5000. I wound up selling the car to another customer of my BMW indie shop for $10,000. When I had my M6 for sale, a fellow CCA member gave me a $5,000 deposit without even driving it. He came back the next day with the balance and drove away.
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Replying to: roadburner (Nov 23, 2007 9:38 am) Regards, OW |
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As far as owning a car, breaking in the engine, transmission, brakes... is one of the most important things as far as I'm concerned. A little over 5 and a half years ago when I bought my '01 Prelude, I kept the revs below 4K, didn't use the cruise control, and avoided mashing the gas pedal. I'm sure that has a little to do with how well the car is holding up today. In contrast, before I bought my Prelude, I leased a 2000 Saab 9-3. After delivery, the dealer told me to take it easy on the car for the first 500 miles (keep it around 55-60 max). I pulled out of the dealership and crept along the side of the road (Rte 17 in NJ, a very busy highway) for about 50 feet, hit the sport button (it was a slushbox), waited for my slot to open up, and dropped the hammer. I looked down and realized I was going 90+ before I let up (this began my love affair with the turbocharger). I wonder how that car's holding up now? |
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... yet, I'd bet that running a 335i up to 135 mph is unlikely to cause any future problems, even with only 500 miles.. Assuming that it wasn't red-lined to get up to that speed of course.. How high do you think a 335i is taching at 135 mph? 5000 RPM? I wouldn't worry about it. regards, kyfdx visiting host
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Replying to: kyfdx (Nov 24, 2007 8:47 am) It's not the speed that's bad, it's how you got up there...
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Replying to: fedlawman (Nov 24, 2007 9:26 am) True enough, but I also suspect that anyone who drives a new car 135 on the street has likewise become "up close, and personal" with the redline as well... |
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Well what exactly is red lined? And here is the story... One night I was driving home on the freeway. I went to about 130 mph+ 2 times. The first time i wasnt aware of it, I was just trying to pass someone and all of a sudden I realized Im going 130 mph! I was surprised on how fast the car accelerates... After that I wanted to try how fast the car can go...cause I heard by the law cars can go up to like 120 mph - 140 mph and it will be stopped even if the car can go faster. I let the cars in front of me to clear up then I stepped on the gas till the car cant go any faster...which is 135 mph. I drive automatic btw...
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"Oh, and although RPM's in getting up to 135 are certainly important, the suggestion that 135 in top gear is really the same as 40 in 2nd or 3rd is just a little off base. Just based upon wind resistence alone, the engine power required to maintain 135 is roughly 11.4 times what is required to maintain 40. That's a poopload of demand on an engine that is far from broken in. Period." Yep. A buttload more cylinder pressure at the same rpm. RPM is not the only factor. Regards, Tom |
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Sorry to sound sarcastic, but I too have heard from enough different and highly qualified experts to appreciate that proper break in for a brand new high performance engine is about the most important thing an owner can do (or, conversely, royally screw up) for the longevity of the car. Add twin turbos to the mix and you also double the importance of proper break in. I agree completely. Frankly, I'm still not convinced that Munich has the N54 turbo motor fully sorted yet. I'm primarily concerned about the reports that some cars are wearing out their oil in under 2000 miles. With the 15,000 mile oil change interval, I'm not too enthusiastic about picking up a car just off lease. |
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