11-30-2011, 08:49 AM | #1 |
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30D vs 35D
I originally added this post to a 35D thread. It justifies it's own thread, so I'm repeating it here:
In trying to track down the wind noise on my 30D I did a back-to-back test with a 35D today. I really didn't want to drive a 35D in case it put me off my 30D! Here are my thoughts: The 35D is a bit quicker and a bit more responsive. Neither improvement was massive but they were noticeable. I felt the bigger difference was in reduced turbo lag (responsiveness), this was to the point where lag wasn't really noticeable. I don't feel bad now about "just" having a 30D so I'm pleased I drove the car. Would I get a 35D if I were ordering now? Probably yes, but it's not that big a deal, it would depend on the lease cost and also taking into account the higher road fund licence band and insurance costs.
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11-30-2011, 09:01 AM | #2 |
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Good write up.
I love mine.
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11-30-2011, 09:38 AM | #3 |
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Road tax is the same for both, Band G 151 - 165g/km CO2 so £165 a year. Not much in the fuel either if you believe the official figures. The only real hit is a 1% increase in BIK if you run it as a company car
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11-30-2011, 09:43 AM | #4 | |
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In terms of lease cost the difference over 3 years is about £1,500
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11-30-2011, 09:53 AM | #5 |
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The write down per year is reduced from 20% to 10% once you go over 160g/km. As it's really the wifes car and it'll be run through her business I'll have to stay with the 30D. Still, I can chip it to 323hp and 700Nm!
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11-30-2011, 11:10 AM | #6 |
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Who will provide the Chip then?.
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11-30-2011, 11:25 AM | #7 |
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11-30-2011, 11:28 AM | #8 |
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We need someone to get one on the 14 day trial period and give us all feedback
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11-30-2011, 11:32 AM | #9 |
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Would be nice but as mine's a lease I can't.
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11-30-2011, 12:08 PM | #10 |
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Do it. I had one on a company car for 3 years. Just take it off for servicing!
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11-30-2011, 12:21 PM | #11 |
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That's quite a risk, the dealer can tell straight away from the diagnostic data held on the car that it's been "over-delivering". My leasing company is Alphabet (ie BMW), warranty would be written off and keeping it secret means I'm not insured either.....if I did it would have to be totally above board.
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11-30-2011, 01:07 PM | #12 | |
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11-30-2011, 01:23 PM | #13 | |
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BMW dealers have for ages been valuing cars lowly where have been thrashed, M3s in particular - they access the count that shows how many times the rev limiter has been operated. The stuff basic OBD-II records is pretty good but the internal BMW s/w records sooo much and is very easy for them to access. I wouldn't put my family out on the street because I was naive and reckless. Having worked in the Telematics industry with insurers trialing PAYD I have insight into this stuff. Sure 98% of people will get away with it. I don't want to be in the 2%.
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11-30-2011, 03:33 PM | #14 |
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Fair points and well made. I guess it's all down to whether you think these risks are worth it. 2% if you have an accident that's your fault is small but not insignificant.
The data stored on the car opens up some interesting data protection and privacy issues. Who owns this data, BMW? Some of it is effectively data held about you and therefore you could ask to see it
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11-30-2011, 04:32 PM | #15 | |
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The most accurate analogy would be where Microsoft supply the spreadsheet program and the logic in the spreadsheet, then user (driver) then fills in the data. Maybe cars should come with a software licence agreement, if they did I bet I'd know who the owner of the data would be!
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11-30-2011, 04:34 PM | #16 | |
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I have remapped a lot of my cars and got away with it though. Many cars go into the dealers stock with remaps still on them, they see lots of cars like that, they just over write it too STD.
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11-30-2011, 05:04 PM | #17 |
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It's not really in the interests of the dealers to alienate their customers and warranty anyway is paid for by the car makers.
I just want folks to understand the issues and then make up their own minds armed with the knowledge of what could happen. In extreme situations the consequences could be severe, ie losing all you own (if uninsured). This won't be commonplace at all but it is a risk.
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12-01-2011, 03:55 AM | #18 | |
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I like the idea of chipping, more power & less fuel, EU5 engines run rich to keep the NoX down. The only downside is you would run at EU4 or EU3 which isn't a probelem once a car is sold. I'm tempted to get one, just need the car first!!! |
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12-01-2011, 10:16 AM | #19 |
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12-01-2011, 10:28 AM | #20 |
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To reduce the NoX production to acheive EU5, combustion temps have to be reduced. To do this some exhaust gas is fed back into the engine via the EGR valve and the engine is set to run rich. By reducing the oxygen and and lowering the temperature less NoX (oxides of nitrogen) is formed. The exact process I don't know but that is the basics. I work more with heavy machinery and as emission laws have tightened fuel usage has increased.
The other way to do it is like Mercedes are trying is to after treat the exhaust with eurea, commonly know as 'add blue' in the uk but that leads to other problems with after treatment cats. From what I understand from the chipping industry they reduce many of the negative efficency reducing requirements of achieving EU5 giving more power and using less fuel. |
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12-02-2011, 03:36 PM | #22 | |
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Also BMW would have to prove that the remap was the cause of any failure. Plus only the parts that are involved directly with the engine would not be covered. Having a remap will not void wheels, suspensions , bodywork warranties etc. |
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