B58 Engine Seems Very Under Rated !

M235Montreal · 01-06-2016, 09:28 PM

B58 is another Under Rated Turbo Engine as per this Video, 340i is quite heavy and the guy forgets it in comfort mode for a while , yet it is head to head with our lighter M235i

BarryB · 01-06-2016, 11:41 PM

I don't believe there is a significant weight difference between the two cars (3555 vs 3535) and their power ratings are about the same. So this is what one should predict, no? Not sure what the source of truth is on the weights though as I have seen #'s that vary by as much as 200#'s
cool vid, btw.

nike001 · 01-07-2016, 06:45 AM

If you drive a lot of 35i vehicles, you'll see that the new B58 40i engine not only sounds better, but pulls differently as well. The new 40i 3ers shift, steer, & handle better; they make the 35i feel outdated pretty quickly. If you buy a BMW for the badge, you might not notice a difference though.

I'm excited to see if the 2er gets the B58!

qballis · 01-07-2016, 09:05 AM

Does the 235 have a JB4? The turn signals seem to be acting as shift lights, which is a feature of the JB4, right?

scottyn · 01-07-2016, 10:38 AM

Quote:

Originally Posted by qballis

Does the 235 have a JB4? The turn signals seem to be acting as shift lights, which is a feature of the JB4, right?

I would guess not. The turn signal only goes on twice, so if it is acting as a shift light it would mean he's doing 260kph in 3rd gear. The signals also go on once or twice in the 340i, so I assume they're just having to change lanes as they fly past people on the Autobahn. Unlike our neighbors here in Florida, people in Germany actually use turn signals appropriately

BMW335iOn18s · 01-07-2016, 11:47 AM

Quote:

Originally Posted by nike001

If you drive a lot of 35i vehicles, you'll see that the new B58 40i engine not only sounds better, but pulls differently as well. The new 40i 3ers shift, steer, & handle better; they make the 35i feel outdated pretty quickly. If you buy a BMW for the badge, you might not notice a difference though.

I'm excited to see if the 2er gets the B58!

They steer better than the m235i?

nike001 · 01-07-2016, 01:25 PM

Quote:

Originally Posted by BMW335iOn18s

They steer better than the m235i?

In terms of feedback & overall feel, yeah.

doublevanosrc · 01-07-2016, 01:41 PM

Quote:

Originally Posted by nike001

In terms of feedback & overall feel, yeah.

I'm assuming you got some seat time in one??

nike001 · 01-07-2016, 01:42 PM

Quote:

Originally Posted by doublevanosrc

I'm assuming you got some seat time in one??

Nope. I just read C&D articles and regurgitate what they say here.

No, yeah I have.

doublevanosrc · 01-07-2016, 01:46 PM

Quote:

Originally Posted by nike001

Nope. I just read C&D articles and regurgitate what they say here.

No, yeah I have.

haha, i bet some do that. Yeah i read the article too seems like the steering is better. I gotta try one out.

pz619 · 01-07-2016, 02:11 PM

Will also second the steering on the LCI 3er. Much better!

Sir Thomas Bombadil · 01-07-2016, 02:11 PM

I did the BMW driving school in Spartanburg a few weeks ago and we got to drive the 235 and the 340 back to back. I didn't notice a huge difference in the turning capabilities or overall handling, but will say that both cars were fun to drive and that the B58 had some quickness and a good sound. (Though, naturally, the 235 was far more fun to drive - but that may have been due to the activities that were divided between the cars.)

Also, I was under the impression the B58 was coming to the 235 in the 2017 models (SOP around 07/16 or so). Has this changed?

BMW335iOn18s · 01-07-2016, 02:30 PM

I think any effect felt is purely psychological or very minor. Some magazines noted that the revised suspension / steering actually felt worse than pre LCI. I'm going to hold on until I can get my hands on a RWD M240i, which in this part of the USA might mean not until I order one for myself lol. Even the LCI loaners I'd get around here would be xdrive which steers/handles differently...

mike@x-ph.com · 01-07-2016, 02:54 PM

Burger Tuning Dyno showed that the B58 is underrated
340 did 331 whp and 339 wtq stock
335 F30 stock did 291 whp and 315 wtq on that same dyno

BMW335iOn18s · 01-07-2016, 03:33 PM

Quote:

Originally Posted by mike@x-ph.com

Burger Tuning Dyno showed that the B58 is underrated
340 did 331 whp and 339 wtq stock
335 F30 stock did 219 whp and 315 wtq on that same dyno

219 whp? No way

M235Montreal · 01-07-2016, 05:02 PM

Quote:

Originally Posted by mike@x-ph.com

Burger Tuning Dyno showed that the B58 is underrated
340 did 331 whp and 339 wtq stock
335 F30 stock did 219 whp and 315 wtq on that same dyno

You Mean 291whp in that Dyno for the 335i

http://www.bimmerfest.com/news/88450...-380hp-380-tq/

mike@x-ph.com · 01-07-2016, 05:07 PM

Quote:

Originally Posted by BMW335iOn18s

219 whp? No way

Quote:

Originally Posted by M235Montreal

You Mean 291whp in that Dyno for the 335i

http://www.bimmerfest.com/news/88450...-380hp-380-tq/

Yes sorry about that 291 not 219

bimmerfile · 01-07-2016, 05:10 PM

Quote:

Originally Posted by mike@x-ph.com

Burger Tuning Dyno showed that the B58 is underrated
340 did 331 whp and 339 wtq stock
335 F30 stock did 219 whp and 315 wtq on that same dyno

Dinan's Tuning Dyno showed that the M235i HP & Torque were also underrated.
M235i Factory rated 320 HP - actual measured 326 HP
M235i Factory rated 330 TRQ - actual measured 379 TRQ

AlpsRider · 01-07-2016, 07:56 PM

Quote:

Originally Posted by BMW335iOn18s

They steer better than the m235i?

I find it hard to believe that a 340 even the Msport model is going to handle better than a M235i. It would be a nice surprise though.

M235Montreal · 01-07-2016, 08:26 PM

Quote:

Originally Posted by bimmerfile

Dinan's Tuning Dyno showed that the M235i HP & Torque were also underrated.
M235i Factory rated 320 HP - actual measured 326 HP
M235i Factory rated 330 TRQ - actual measured 379 TRQ

These were Crank HP though, M235i usually has 300whp in Dynojet

bimmerfile · 01-08-2016, 06:23 AM

Quote:

Originally Posted by M235Montreal

These were Crank HP though, M235i usually has 300whp in Dynojet

More precisely, it's 307 WHP and 322 lb-ft (436 Nm) of WTQ.

http://www.autoevolution.com/news/fi...deo-78969.html

nike001 · 01-08-2016, 10:03 AM

Quote:

Originally Posted by AlpsRider

I find it hard to believe that a 340 even the Msport model is going to handle better than a M235i. It would be a nice surprise though.

He said steer, not handle. Two different things.

01-06-2016, 09:28 PM	#1
M235Montreal BMW Lover 123 Rep 251 Posts Drives: M2 Competition Join Date: Feb 2011 Location: Canada iTrader: (0)	B58 Engine Seems Very Under Rated ! B58 is another Under Rated Turbo Engine as per this Video, 340i is quite heavy and the guy forgets it in comfort mode for a while , yet it is head to head with our lighter M235i
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01-06-2016, 11:41 PM	#2
BarryB Lieutenant Colonel 871 Rep 1,758 Posts Drives: 30Jahre M5 plus a few more M's Join Date: May 2012 Location: Palo Alto CA iTrader: (0) Garage List 2022 BMW M5 CS [0.00] 2020 BMW M340i Xdrive [0.00] 2019 BMW M2 Competi ... [0.00] 2003 BMW DINAN S3 M5 [0.00] 2017 BMW 30 Jahre M3 [0.00] 2016 BMW M4 GTS [0.00] 2015 BMW 30 Jahre M5 [0.00] 1995 BMW M3 [0.00]	I don't believe there is a significant weight difference between the two cars (3555 vs 3535) and their power ratings are about the same. So this is what one should predict, no? Not sure what the source of truth is on the weights though as I have seen #'s that vary by as much as 200#'s cool vid, btw. Last edited by BarryB; 01-06-2016 at 11:48 PM..
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01-07-2016, 06:45 AM	#3
nike001 Captain 312 Rep 818 Posts Drives: 2018 718 Cayman Join Date: Apr 2011 Location: US iTrader: (2)	If you drive a lot of 35i vehicles, you'll see that the new B58 40i engine not only sounds better, but pulls differently as well. The new 40i 3ers shift, steer, & handle better; they make the 35i feel outdated pretty quickly. If you buy a BMW for the badge, you might not notice a difference though. I'm excited to see if the 2er gets the B58!
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01-07-2016, 09:05 AM	#4
qballis Lieutenant 270 Rep 513 Posts Drives: G80 Comp xdrive Join Date: Apr 2014 Location: Phoenix, AZ iTrader: (0)	Does the 235 have a JB4? The turn signals seem to be acting as shift lights, which is a feature of the JB4, right?
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01-07-2016, 02:11 PM	#11
pz619 Brigadier General 3279 Rep 3,256 Posts Drives: F87 M2C 6MT, Tesla 3 Join Date: Oct 2013 Location: San Diego iTrader: (1)	Will also second the steering on the LCI 3er. Much better!
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01-07-2016, 02:11 PM	#12
Sir Thomas Bombadil Private 45 Rep 51 Posts Drives: AW M235 6MT Join Date: Aug 2015 Location: GA iTrader: (0)	I did the BMW driving school in Spartanburg a few weeks ago and we got to drive the 235 and the 340 back to back. I didn't notice a huge difference in the turning capabilities or overall handling, but will say that both cars were fun to drive and that the B58 had some quickness and a good sound. (Though, naturally, the 235 was far more fun to drive - but that may have been due to the activities that were divided between the cars.) Also, I was under the impression the B58 was coming to the 235 in the 2017 models (SOP around 07/16 or so). Has this changed?
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01-07-2016, 02:30 PM	#13
BMW335iOn18s Resident BMW Fanboy 259 Rep 866 Posts Drives: F82 CS SMB Join Date: Jul 2007 Location: Philadelphia, PA iTrader: (0)	I think any effect felt is purely psychological or very minor. Some magazines noted that the revised suspension / steering actually felt worse than pre LCI. I'm going to hold on until I can get my hands on a RWD M240i, which in this part of the USA might mean not until I order one for myself lol. Even the LCI loaners I'd get around here would be xdrive which steers/handles differently... __________________ Current: '20 F82 M4cs SMB / '13 640i M-Sport Carbon Black Past: F30 330xi Luxury Line / F22 M235i 6MT / E92 335i / E46 330ci / E36 328i 5MT
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01-07-2016, 02:54 PM	#14
mike@x-ph.com Joint Chiefs of Staff 24356 Rep 191,163 Posts Drives: 07-335/12-328/18-M4/21-M4CP Join Date: Sep 2013 Location: Las Vegas iTrader: (23)	Burger Tuning Dyno showed that the B58 is underrated 340 did 331 whp and 339 wtq stock 335 F30 stock did 291 whp and 315 wtq on that same dyno __________________ Check out our current sale by clicking on this link! https://x-ph.com/sale/ Phone number 702-494-9435 Last edited by mike@x-ph.com; 01-07-2016 at 05:07 PM..
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