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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N57 / M57 Turbo Diesel Discussions - 335d > New Diesels In The USA



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      08-28-2013, 11:26 PM   #1
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New Diesels In The USA

BMW just put up the specs for the 535d and the 328d in the USA.

The 535d will come rwd and xdrive. rated on the highway at 38mpg and 37mpg. It will 0-60 in sub 6 second range. It is rated at 255 horses and 415 ftlbs of torque. I believe it uses an updated version of the 330d/530d motor not the same as the M57 motor we have in our 335d's. It will start at 56 grand and with options it can go up to 70 or more.

THe 328d will also come rwd and xdrive. Rated on the highway at 45mpg and 43mpg.

They haven't released city mileage but I'd imagine 25 or so for the 535d and low 30's for the 328d and we all know that these numbers will be obtainable easily.

Impressive!
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      08-29-2013, 07:01 AM   #2
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The engine code for the new 6 cylinder diesel is N57. The 535d is sold as the 530d overseas. TBH I'm not that impressed. Imagine what our numbers would look like if our engine was mated to an 8 speed auto and had electric steering.
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      08-29-2013, 10:22 AM   #3
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yeah...the days of transmission swaps are over. Too many headaches to deal with the software and coding. I'd bet my morning coffee that the 8 speed box would bolt right up to our car. But the software is another freagin nightmare all of its own.
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      08-29-2013, 11:28 AM   #4
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Screw the ZF 8-speed. Just give me a 335d version of the Alpina flash. Someone please!
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      08-29-2013, 11:46 AM   #5
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Quote:
Originally Posted by Socom View Post
The engine code for the new 6 cylinder diesel is N57. The 535d is sold as the 530d overseas. TBH I'm not that impressed. Imagine what our numbers would look like if our engine was mated to an 8 speed auto and had electric steering.
highway mileage shouldnt go up much or at all as a result of more gears, its the city mileage that is most affected. Unless of course they overdrive the crap out of 8th to the point where it can only be effectively used on perfectly flat ground and it downshifts to 7th constantly.

On that note, it does annoy me that 6th gear isnt a little bit longer to get the revs down while cruising, seems unnecessarily high for a diesel and its not like 6th needs to be any sort of a performance gear
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      08-29-2013, 11:50 AM   #6
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Hooper, agreed. 6th is a bit high. ~1900 rpm at 75 mph with the loads of torque we have is not ideal. We could easily pull along at 1500 rpm for highway cruising at 75 or 80 mph.

Must be because our trans box was not a specially designed diesel box, didn't it come from the V8 X5?
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      08-29-2013, 02:44 PM   #7
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Quote:
Originally Posted by Mark M View Post
Hooper, agreed. 6th is a bit high. ~1900 rpm at 75 mph with the loads of torque we have is not ideal. We could easily pull along at 1500 rpm for highway cruising at 75 or 80 mph.

Must be because our trans box was not a specially designed diesel box, didn't it come from the V8 X5?
I thought the trans was from the v8 7 series, remember reading that somewhere. The only difference in gearing for the diesels is a different ratio in the differential.
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      08-29-2013, 02:55 PM   #8
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Originally Posted by bdwyer View Post
I thought the trans was from the v8 7 series, remember reading that somewhere. The only difference in gearing for the diesels is a different ratio in the differential.
yeah the box was first used in the 7 series. I dont know about the gear ratios though, if they are the same or different. Rear end ratio is likely different.

Quote:
Originally Posted by Mark M View Post
Hooper, agreed. 6th is a bit high. ~1900 rpm at 75 mph with the loads of torque we have is not ideal. We could easily pull along at 1500 rpm for highway cruising at 75 or 80 mph.

Must be because our trans box was not a specially designed diesel box, didn't it come from the V8 X5?
yeah its only marginally lower than my 6-speed Nissan Maxima (cruises about 2000 RPM at 70) which makes good torque but certainly nowhere near as much. I actually think that many cars that make LESS torque around cruising (but make a lot of power) such as the corvette, camaros, and some others cruise at around 1500 which is why their mileage is like 16/26 or something silly like that.

Last edited by Hoooper; 08-29-2013 at 03:01 PM.
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      08-29-2013, 03:05 PM   #9
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The new cars with the 8 speed ZF auto also have other fuel saving technologies that BMW has built in, but we don't have a listing. Its likely to be the special generator that charges the battery during deceleration, the electric steering, perhaps a variable oil pump, that sort of stuff.

PL
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      08-29-2013, 03:13 PM   #10
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Quote:
Originally Posted by Hoooper View Post
highway mileage shouldnt go up much or at all as a result of more gears, its the city mileage that is most affected. Unless of course they overdrive the crap out of 8th to the point where it can only be effectively used on perfectly flat ground and it downshifts to 7th constantly.

On that note, it does annoy me that 6th gear isnt a little bit longer to get the revs down while cruising, seems unnecessarily high for a diesel and its not like 6th needs to be any sort of a performance gear
Yep..And it's the city miles which the newer diesels have the advantage. Hey mileage is probably a little better in real world but who knows.

I like 6th actually. Max torque is ~1750-2500 so it works for me.
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      08-29-2013, 08:19 PM   #11
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the biggest contributor to highway mileage is actually the drag coefficient. Our e90's are at .29 where as the f30 and f10 are .26

HUGE difference. If ours cars had a .26 we would be rated at 40mpg easily.
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      08-29-2013, 09:22 PM   #12
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If we bring our final drive down to 2.30 or so, we'll be cruising at 1700rpm @ 80mph. I don't know how much that will slow down acceleration though, I wouldn't think too much since most of us run a tune. Our mechanical top speed will raise from 192mph to 237mph as well, lol. How much HP we'll need to reach that is another story.
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      08-29-2013, 10:14 PM   #13
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Quote:
Originally Posted by MonkUSMC View Post
If we bring our final drive down to 2.30 or so, we'll be cruising at 1700rpm @ 80mph. I don't know how much that will slow down acceleration though, I wouldn't think too much since most of us run a tune. Our mechanical top speed will raise from 192mph to 237mph as well, lol. How much HP we'll need to reach that is another story.
I'm pretty sure we are around 2.81 stock. Otherwise the gearing is the same as the 6HP26 in the V8 cars. We do have a different torque convertor though.

If the FD was dropped even lower, it may be possible to program in regular use of 1st gear again to get back acceleration.
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      08-29-2013, 10:40 PM   #14
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All i read is that they will not put our large engine in a 3 series again. That's money in the bank.
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      08-29-2013, 10:52 PM   #15
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Quote:
Originally Posted by Hoooper View Post
yeah the box was first used in the 7 series. I dont know about the gear ratios though, if they are the same or different. Rear end ratio is likely different.
According to ZF, my wife's 4.8L v8 X5 and our diesel use the same tranny (diff. TC) and different FD.
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      08-30-2013, 05:56 AM   #16
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Here is the link I got from them on an email from BMWoA:

http://www.bmwusa.com/standard/conte...bmw02eexaugown
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      08-30-2013, 09:36 AM   #17
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Quote:
Originally Posted by Puerto Rican 335d View Post
Here is the link I got from them on an email from BMWoA:

http://www.bmwusa.com/standard/conte...bmw02eexaugown
That's the stupidest, slowest-loading piece of marketing $hit I've seen in a long time. What was the point?
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      08-30-2013, 09:46 AM   #18
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floyd I couldnt get it to read and dowload it so i cant comment on it will try at home today
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      08-31-2013, 12:15 PM   #19
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I thought it was pretty clever, but it would have been better if they would have made a video out of it, it was pretty slow.
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      08-31-2013, 12:47 PM   #20
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Quote:
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I thought it was pretty clever, but it would have been better if they would have made a video out of it, it was pretty slow.
It's essentially a speeded-up video, but done with stills that take forever to download (kind of .gif - like.) Why not just a real youtube video?
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      08-31-2013, 12:54 PM   #21
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Wow. After adding a few options the 535d sedan took me to $80,000 before taxes. I'd be looking at over $90,000 after taxes.
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      08-31-2013, 01:00 PM   #22
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Quote:
Originally Posted by floydarogers View Post
It's essentially a speeded-up video, but done with stills that take forever to download (kind of .gif - like.) Why not just a real youtube video?
Agreed. My work internet is pretty fast on a Saturday, so I just auto-scrolled through the page . But youtube vid would've been better.
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