Official: Turbo is back - BMW

[Just_me]

8)

306hk,400nm

BMW today released new details on its much-rumored N54 Bi-Turbo Engine. The motor is expected to appear in the 2007 BMW 335i and 2007 BMW 335ci (coupe). The engine has an output of 306 horsepower and maximum torque of 295 lbs.-ft (400 Nm). BMW said it has already tested a 3-Series sedan with the engine, and achieved a 0-62mph time of 5.7 seconds. BMW said the engine is relatively lightweight — about 70kg less than its 4.0-liter V8 engine. According to the automaker, the 3.0-liter engine has little or no turbo lag, thanks to two small turbos instead of one large one. Maximum torque is achieved between 1500 and 5800 rpm. What we know so far: BMW will show its new E92 3-Series coupe at the Geneva Motor Show along with this new engine. What's no entirely clear is whether this engine will make it to North America. Recent rumors suggested this turbo engine would be exclusive to Europe, and a different naturally-aspirated powerplant would drive the 335 in North America.

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[Igorionia]

Wooohooo... !!! FINALLY after last Turbo BMW from Alpina...
Great NEWS!!! Thanx Just_me...
Awesome Engine + it's " about 70kg less than its 4.0-liter V8 engine"
V8 alluminium engine... No words. Should be best engine for 2007.
Great potential for boostin

[Ghostbat]

According to the automaker, the 3.0-liter engine has little or no turbo lag

Are they not sure?

Propably a great engine but 306bhp from this bi-turbo doesn't sound that inspiring. Frankly I'm a little dissapointed. I'd rather have a NA 330Ci (if there's going to be one?). Only 0.6s slower to 100km/h and definetely no turbo lag.

[Igorionia]

dissapointed ?! WTF ?! :shock: 306HP = just for selling. Like it was with Skyline's GT-R in Japan. Buy this car with 280HP and tune it to 400hp easily
Rise the boost and DIE with 400hp BMW

[Ghostbat]

Originally Posted by Igorionia dissapointed ?! WTF ?! :shock: 306HP = just for selling. Like it was with Skyline's GT-R in Japan. Buy this car with 280HP and tune it to 400hp easilly Rise the boost and DIE with 400hp BMW

Yes but this is a factory car so that's what's relevant. BMW are well know for producing high reving engines with high output/volume. The C32 produced 354bhp with one supercharger from 3.2litre engine back in the days. I was expecting figures in the neighbourhood of 330-340bhp atleast. Only a rise with ~40bhp just doesn't impress me. For me it sound like and engine more fitted for the 5 and 7-series.

[Igorionia]

well... anyway this engine got GREAT potential. like RS4/RS6 (Turbo engines), like GT2 engine and so on...

[Pehtren]

this is a great news, but i too expected to be in the S4 range 340HP, but this will do and the 0-100kph is good too

[lorbmw69]

this isn't a real bi-turbo like the old audi s4 right? i thought this engine had one turbo for low RPM and the other for the higher end...not 2 for the whole range.

(100th post!)

[Ghostbat]

Originally Posted by lorbmw69 this isn't a real bi-turbo like the old audi s4 right? i thought this engine had one turbo for low RPM and the other for the higher end...not 2 for the whole range. (100th post!)

I'm just guessing here but propably two turbos for different revs.

And if it has two turbos that makes is a "real" bi-turbo in any case. Guess what bi means

[Just_me]

Instead of one big Turbo, this one have two small turbos. One for low rpm and one for higher rpm. I think it works the same as Toyota Supra?

400nm available between 1500-5800rpm. Redline begins at 7000rpm.

Tested in E90:
80-120kmh in 6.3s (eg. 330i in 8.2s)
0-100kmh in 5.7s (eg. 330i in 6.3s)

I bet from 0-200km/h, the turbo will cut the time by several seconds.

[Just_me]

pressrelese translated with google

http://www.autopower.se/forum/topic.asp?id=142716

[Ghostbat]

I bet from 0-200km/h, the turbo will cut the time by several seconds.

I'm quite sure of that too. ~45bhp more will definetely pay dividends.

A redline at 7000rpm sounds interesting for a turbo. At what rpm is max power?

[Just_me]

Originally Posted by Ghostbat I bet from 0-200km/h, the turbo will cut the time by several seconds. I'm quite sure of that too. ~45bhp more will definetely pay dividends. A redline at 7000rpm sounds interesting for a turbo. At what rpm is max power?

MAx torque is 400nm, available between 1500-5800rpm or are you talking about HP?

[Ghostbat]

Originally Posted by Just_me Originally Posted by Ghostbat I bet from 0-200km/h, the turbo will cut the time by several seconds. I'm quite sure of that too. ~45bhp more will definetely pay dividends. A redline at 7000rpm sounds interesting for a turbo. At what rpm is max power? MAx torque is 400nm, available between 1500-5800rpm or are you talking about HP?

Yes I'm talking about HP. The talk about power can be somewhat confusing for us swedes when we speak english. Why do manufacterers always talk about a flat torqe-curves nowadays. They are all doing it. Fact still reamins that you find a peak at some rpm no matter what.

[Just_me]

Originally Posted by Ghostbat Originally Posted by Just_me Originally Posted by Ghostbat I bet from 0-200km/h, the turbo will cut the time by several seconds. I'm quite sure of that too. ~45bhp more will definetely pay dividends. A redline at 7000rpm sounds interesting for a turbo. At what rpm is max power? MAx torque is 400nm, available between 1500-5800rpm or are you talking about HP? Yes I'm talking about HP. The talk about power can be somewhat confusing for us swedes when we speak english. Why do manufacterers always talk about a flat torqe-curves nowadays. They are all doing it. Fact still reamins that you find a peak at some rpm no matter what.

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