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      05-12-2011, 02:15 PM   #23
adrean8j
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I wonder does the 1M coupe have a different charge piping, intercooler, etc??? We all know it is a N54 with different ECU tuning...and that is most likely running ~10psi boost or not?
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      05-12-2011, 02:17 PM   #24
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Quote:
Originally Posted by MrRoboto View Post
Well lets use the most recent review of the 1M by Jolopnik.

....But what of the sound? BMW definitely gave the 1M its own aural signature, which is less wicked than other Ms, but is far deeper and angrier than the 135i by way of tweaks to the intake and exhaust.
On the exhaust side of the house that is a very minor, easy tweak to do...and it doesn't say anything about those tweaks creating more power which is what this discussion is about right?
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      05-12-2011, 02:20 PM   #25
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Intercooler and charge piping are the same. Intake plumbing feeding into the turbo inlets are the same. Lid and airbox are the same. They just bumped the boost about 2 psi, and added overboost to the DME profile. If I spent a lot of time on the track then I would get a 1M, but I mainly DD mine, so I opted for the more economical 135i instead of waiting for the 1M. And I am one of the very few that aren't crazy about the styling. The front is okay, but I hate the rear.
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      05-12-2011, 02:23 PM   #26
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At the end of the day. The 1M power plant may be 99% the same as what is found in the 135 but it is not exactly the same.
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      05-12-2011, 02:28 PM   #27
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Quote:
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At the end of the day. The 1M power plant may be 99% the same as what is found in the 135 but it is not exactly the same.

What's different?
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      05-12-2011, 02:40 PM   #28
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Quote:
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What's different?
We have established that the intake and exhaust have been tweaked correct?
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      05-12-2011, 02:41 PM   #29
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Not that I have seen as far as the intake goes. It is the same. And The exhaust is a bit different, but it isn't likely to add any power what so ever. In any case, neither one of them are the power plant.
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      05-12-2011, 03:02 PM   #30
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Quote:
Originally Posted by JHOOPS2 View Post
Not that I have seen as far as the intake goes. It is the same. And The exhaust is a bit different, but it isn't likely to add any power what so ever. In any case, neither one of them are the power plant.
Man you are doing a great job of not being an asshole. The exhaust, intake, and ecu certainly are part part of the overall powerplant. Regardless of what power is added, that is not the point. We are trying to establish that there are differences in the powerplant between between the 135 and the 1M.

In the end who cares if the engine code is the same. I will take a factory tuned car anyday over an aftermarket software fix. It is not only the engine that make an M car. The 135 suspension is very weak not to mention the lack of LSD.
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      05-12-2011, 03:12 PM   #31
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Quote:
Originally Posted by MrRoboto View Post
Man you are doing a great job of not being an asshole. The exhaust, intake, and ecu certainly are part part of the overall powerplant. Regardless of what power is added, that is not the point. We are trying to establish that there are differences in the powerplant between between the 135 and the 1M.

In the end who cares if the engine code is the same. I will take a factory tuned car anyday over an aftermarket software fix. It is not only the engine that make an M car. The 135 suspension is very weak not to mention the lack of LSD.


Your off topic. The thread is about tuning differences as it pertains to power, not handling. I already noted the handling differences and LSD. I consider an engine that I build the power plant. Because that is where the power comes from. I don't consider the exhaust or anything beyond the throttle body part of the actual power plant. Potato, potato I guess.
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      05-12-2011, 03:13 PM   #32
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Quote:
Originally Posted by MrRoboto View Post
Man you are doing a great job of not being an asshole. The exhaust, intake, and ecu certainly are part part of the overall powerplant. Regardless of what power is added, that is not the point. We are trying to establish that there are differences in the powerplant between between the 135 and the 1M.

In the end who cares if the engine code is the same. I will take a factory tuned car anyday over an aftermarket software fix. It is not only the engine that make an M car. The 135 suspension is very weak not to mention the lack of LSD.

Also, not sure how my comments make me an asshole. But hey, maybe I am an asshole. I've been called worse.
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      05-12-2011, 03:17 PM   #33
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Quote:
Originally Posted by MrRoboto View Post
Man you are doing a great job of not being an asshole. The exhaust, intake, and ecu certainly are part part of the overall powerplant. Regardless of what power is added, that is not the point. We are trying to establish that there are differences in the powerplant between between the 135 and the 1M.

In the end who cares if the engine code is the same. I will take a factory tuned car anyday over an aftermarket software fix. It is not only the engine that make an M car. The 135 suspension is very weak not to mention the lack of LSD.

power plant

NOUN:
  1. All the equipment, including structural members, that constitutes a unit power source: the power plant of a truck.

The suspension is "weak" but a few upgrades fixes that for a price..same goes for LSD.
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      05-12-2011, 03:38 PM   #34
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Quote:
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How do you compare them..? What criteria..? (Dynometer.?)

Line 'em up
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      05-12-2011, 03:45 PM   #35
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Quote:
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How do you compare them..? What criteria..? (Dynometer.?)
Curious how the thrust feels.. more/less/same. Maybe its more tail happy.

No one has dynoed the thing yet, and judging from the numbers released by BMW I cant and dont expect the 1M to feel more powerful or quicker than a tuned 135, but like I said earlier just reading peoples words gives me that impression. Again, its very subjective... I own a car putting out over 500 tq, to me being pushed into your seat is very different than to someone who stepped up to a 135 from a civic. The sentence.. "the car really pulls" is pointless without a reference point. Just trying to get an idea.

I think someone wrote about tires breaking loose in 2nd gear. Did they experience that in a 135 with a tune? If not then that speaks volumes since the rubber is wider on the M.

In the end I guess its moot because adding the same tune to the M should bring it to the same point as it was on a 135.
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      05-12-2011, 03:49 PM   #36
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I know that my car with it's current mods and the JB3 would crush a 1M in a straight line. I'm currently putting down 420whp and 493 ft-lb of torque on map 7. Around the track no, because I haven't done any suspension mods as of yet. I just can't see paying all that money for a car that is slower than what I already have. I do like the styling, but not that much. I'll spend a couple grand on suspension before I buy a new car.
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      05-12-2011, 03:51 PM   #37
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Quote:
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In the end I guess its moot because adding the same tune to the M should bring it to the same point as it was on a 135.
True that. They have the same engine. So if you're talking just power then it should be the same.

The 1M should handle better with the wider stance and lsd than a stock 135 for sure. PRobably handle better than a modded 135 because of the wider track.
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      05-12-2011, 07:50 PM   #38
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Light weight fly wheel and LSD = win
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      05-12-2011, 07:57 PM   #39
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I also want to see what the numbers look like when you flash a 1m. I am going to go guess that it's going to be greater than a 135 with a flash. If it's the same engine then why would this be? If the 1m has the same engine as the 135 and the difference is simply a factory tune then both engines with the same flash should be equal. That being said I doubt that will be the case
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      05-12-2011, 08:04 PM   #40
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^^^rollseyes.....the differences/if any would be negligible......
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      05-12-2011, 08:10 PM   #41
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I might just go ahead and jump off of my roof at this point.
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      05-12-2011, 08:13 PM   #42
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Quote:
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I might just go ahead and jump off of my roof at this point.

Stop it, stop it you are making my stomach hurt....
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      05-12-2011, 08:27 PM   #43
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I might just go ahead and jump off of my roof at this point.
I suggest a swan dive.
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      05-12-2011, 08:37 PM   #44
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So far it's been documented that the piston rings are different, the flywheel is different, DME mappings are different, intake is different, and exhaust is different. In addition, the 6MT is the revised transmission found on the 2011+ car, which is already an improvement over the 2010 and older manual transmissions.

Sure, the core is an N54 engine, but anyone saying that his/her 135i N54 is identical, is in some major denial. Clearly the N54 going on the 1M was tweaked to better suit the task at hand, which is powering a car worthy of the letter ///M
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