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2010 2011 BMW 5 Series Forum F10
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04-26-2012, 03:16 PM | #24 |
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I have a question for both motors.
How about reliability issues for the N20? In 15-20 years considering both the 528i 4-cyl and 6 cyl were not abused and driven pretty much everyday, at some point the N20's turbocharger may need it's bearing changed or even worse it's turbocharger replaced. In 15-20 years the the 6-cyl may also have gone through reapairs like alternator or starter being changed, etc, but the parts and labor spent on getting a replacement turbocharger on the 4-cyl will be very expensive compared to the 6 cyl. My dad has a 1990 525i and it still runs good to this day. The only repair that was done to it was to replace it's battery and starter. If that was a turbo, the turbocharger may have already seized considering it has been 22 years since the car was purchased.
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04-26-2012, 03:21 PM | #25 |
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So, I4 was quicker than the I6, I'm cool with that because the factory says that the I4 has 30lb-ft more torque than the I6. However, what's up with the HP ratings? The factory rated them both at 240 HP but the I6 only put out 208 HP at the crank on this particular dyno. Not really liking that. They should both be putting out at least 240 HP at the crank.
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04-26-2012, 03:33 PM | #26 |
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I agree, the N20 528 felt a lot quicker and responsive to me that the i6. I was looking to buy a 2011 528i right before the 2012s came out. Purchase got delayed and I went back in and drove the first 2012 528 that they had and was sold. Glad it worked out that way
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04-26-2012, 03:48 PM | #27 |
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Well, regarding reliability,the turbo's is a part which breaks down within 130-180.000 km.
Which means within 6 years or so it/they need to be replaced. It's not cheap, especially the modern turbo's. What might be worse is when these breaks down, and you drive with it, the Hole engine can be destroyed! So surely the NA 6 is more durable in the long run, but with these bullshit clima regulations, turbo's and downsizing is a must, sadly!
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04-26-2012, 03:56 PM | #28 | |
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Thanks for the input!
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04-26-2012, 05:01 PM | #30 | |
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Please correct me of I'm wrong, but it's obvious the newer more aggressive powerplant would abviously be faster. I think they screwed up there numbers and that's why people are getting confused. |
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04-26-2012, 05:27 PM | #31 |
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I'll take the 6. No sound = no fun.
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04-26-2012, 05:33 PM | #32 |
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I want to add another remark.
For the comparison they have chosen a car with I6 with natural aspirated port fuel injection (N52) and 6-speed automatic against a car with I4 with turbo charged direct fuel injection and 8-speed automatic. If they would have chosen a 5-type with I6 and direct fuel injection (N53, as common in Europe) and the 8-speed automatic, the results would have been closer together. No question, that the turbo I4 would also have won in terms of figures, but only with a very narrow margin. |
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04-26-2012, 07:41 PM | #33 |
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WOW Iam so amazed that Classic BMW is on the front page of e90post.com
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04-26-2012, 10:18 PM | #34 | |
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*off soap box*
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04-27-2012, 12:27 AM | #36 | |
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04-27-2012, 01:44 AM | #37 | |
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I thought all F10 have the 8 speed auto gearbox.
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04-27-2012, 02:52 AM | #38 |
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I think the NA 6 did quite well against the turbo 4 considering the torque and power deficiency. I'd probably be willing to sacrifice that much performance for the legendary sound and smoothness of the inline 6.
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04-27-2012, 03:49 AM | #39 | |
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Our 528i already has ~30,000 miles on it so I can say I'm very familiar with it, after testing the new N20 I would gladly trade our 2011 for the new 2012. |
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04-27-2012, 07:41 AM | #40 |
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the intro to this vid is hilarious (the music and graphics) - i feel like i'm in the eighties and somebody is comparing the walkman to the discman....Like ur a chump if u still like the walkman.
One question - why did the N52 only dyno 208 hp at the crank??? must've been at the wheel right?
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04-27-2012, 09:40 AM | #41 |
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A 4cyl in a 5 series is just stupid. It might be efficient, but the weight of that car with such a small motor turbo or not is just not for me. I would much rather have a left over 2011 535 M sport.
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04-27-2012, 09:44 AM | #42 |
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What is it you don't understand? It has more power in every measurable way. The weight of the car is irrelevant.
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04-27-2012, 09:47 AM | #43 |
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04-27-2012, 10:25 AM | #44 | |
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