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Old 09-18-2012, 06:42 PM   #26
SWP n Gold
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Even though people say the N54 responds better to mods, I guess I would just prefer the simplicity of a single turbo setup.
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Old 09-18-2012, 07:11 PM   #27
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I would imagine they're using the turbo setup due tot he success with the 125i sedans. My buddy has one thats well over 400whp and the thing cooks...and its matte wrapped....i hate him
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Old 09-18-2012, 10:33 PM   #28
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Originally Posted by SWP n Gold View Post
Even though people say the N54 responds better to mods, I guess I would just prefer the simplicity of a single turbo setup.
The newer engines are single turbo (simpler) but they are Valvetronic (way more complicated).
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Old 09-18-2012, 11:00 PM   #29
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Originally Posted by Brahmzy View Post
Back to the pumps, in BMW's defense, the 2007-introduced, World Engine of the Year-awarded N54 was pretty much the first mainstream car with Direct Injection in a high-horsepower config. (turbos etc.) This crap hadn't really been done before. 5-6 years later most all manufacturers are now offering DI on some of their engines.
The Mazdaspeed 6 was introduced in 2005 and the VW/Audi 2.0T in 2006. GM introduced their DIT Ecotec in the 2007 Solstice GXP. All those engines have specific output at least as high as the BMW, so BMW was hardly the first.
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Old 09-18-2012, 11:30 PM   #30
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Originally Posted by Calamity Jesus View Post
Nope.. but they pay a dealership $120/hr to work on them once the warranty wears out... which is why you'll be able to buy one of these for $25k in 5 years.
Come again? 2006 m3's with low miles are still around 24-30k
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Old 09-19-2012, 08:08 AM   #31
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Originally Posted by godfather2112 View Post
Come again? 2006 m3's with low miles are still around 24-30k
.. and they're far easier to work on and more reliable out of warranty than a turbocharged M3. A decent e30 M3 is also about $24-30k.
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Old 09-19-2012, 08:25 AM   #32
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Which one? N54 or N55?
I was referring to the N54, I'm not as familiar with the N55. Fuel pumps were obviously an issue, but I was more so referring to the overheating. Based on what I've seen out of a few local cars, many track sessions lead to the car going into limp mode from being too hot. The main reason I bring this up is due to more M3's are tracked than 135/335s. I've got to believe BMW have already thought of this and designed appropriately, but I'll still be surprised if it's more reliable that the v8..
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Old 09-19-2012, 10:47 AM   #33
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I was referring to the N54, I'm not as familiar with the N55. Fuel pumps were obviously an issue, but I was more so referring to the overheating. Based on what I've seen out of a few local cars, many track sessions lead to the car going into limp mode from being too hot. The main reason I bring this up is due to more M3's are tracked than 135/335s. I've got to believe BMW have already thought of this and designed appropriately, but I'll still be surprised if it's more reliable that the v8..
I see. Was it overheating of the coolant system or was it an oil temp issue? I guess a better question can it be resolved via aftermarket. (i'm looking at buying a used one in the near future)
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Old 09-19-2012, 11:05 AM   #34
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I see. Was it overheating of the coolant system or was it an oil temp issue? I guess a better question can it be resolved via aftermarket. (i'm looking at buying a used one in the near future)
Both actually.

Three known ways they go into limp mode are oil temp, water temp and VANOS. Some of the 335i's had oil coolers factory installed but even then I would consider aftermarket options if you plan to take it to the track. The good news is these are precautionary measures taken by the ECU based on some predefined oil/coolant temp threshold. Certainly better than letting you keep flogging the engine and doing some serious internal damage. However, there is obviously a flaw in design because it shouldn't happen to begin with.
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Old 09-19-2012, 02:20 PM   #35
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Originally Posted by Brahmzy View Post
Back to the pumps, in BMW's defense, the 2007-introduced, World Engine of the Year-awarded N54 was pretty much the first mainstream car with Direct Injection in a high-horsepower config. (turbos etc.) This crap hadn't really been done before. 5-6 years later most all manufacturers are now offering DI on some of their engines. DI, as you know is all about fuel delivery and it's at 6x the pressure of a non-DI, traditional engine. Fairly complcated stuff back in 2007 as far as pumps and injectors and stuff. Now, obviously the technology has been perfected which is why you'll find it on most all KIAs, Hyandais etc. Anyway, BMW took WAY too long to get a working pump out and actually got the crap sued out of them in the process. But they partially pioneered mainstream DI and we get to reap the benefits now.

Not to argue with ya but VW/Audi was the first to introduce mainstream DI on a turbo car, and pretty much the same output as the BMW, about 100HP / 1L. They did this in 2004.5
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Old 09-19-2012, 04:28 PM   #36
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Wagon form in the 'States this time around pretty pretty please.

Any info on what kind of oil system is used? Sump?
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Old 09-19-2012, 06:08 PM   #37
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Right, but someone came up with a way to reinforce it so it's not really the end tank material, but more of what's holding it in place that matters maybe?
Bulletproof TMIC mod, IIRC. I think the aluminum crimp connections themselves were the first to go in the LGTs years ago, before the guy who came up with the bulletproof TMIC mod came up with his...mod.
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Old 09-20-2012, 05:45 PM   #38
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Not to argue with ya but VW/Audi was the first to introduce mainstream DI on a turbo car, and pretty much the same output as the BMW, about 100HP / 1L. They did this in 2004.5
Ah, sorry - I mispoke - I knew it was the Germans, LOL. I pretty much skipped that whole messy era of VWs.
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Old 09-21-2012, 10:30 AM   #39
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Rota Torques.
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Old 09-21-2012, 03:13 PM   #40
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Rota Torques.
Nope. Similar style.. but certainly not Rotas.
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Old 11-23-2012, 04:53 PM   #41
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Old 11-24-2012, 11:13 AM   #42
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The current M3 will be classic V8 normally aspirated. The sound is awesome with V8. Think although the turbo 6 will be faster it sounds kinda lame.We all know what a turbo 6 can do with the GT-R. I expected a much greater weight reduction to the car. Perhaps they can learn from Ford or Mazda.
The Subaru BRZ with a turbo and some fat Pilot Super Sports my just take the M3/M4 and be half cost.

Last edited by Masterauto; 11-24-2012 at 11:18 AM.
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Old 11-24-2012, 06:05 PM   #43
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Huh? ^

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Old 11-24-2012, 06:53 PM   #44
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The current M3 will be classic V8 normally aspirated. The sound is awesome with V8. Think although the turbo 6 will be faster it sounds kinda lame.We all know what a turbo 6 can do with the GT-R. I expected a much greater weight reduction to the car. Perhaps they can learn from Ford or Mazda.
The Subaru BRZ with a turbo and some fat Pilot Super Sports my just take the M3/M4 and be half cost.

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Old 11-24-2012, 09:02 PM   #45
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..Wat
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