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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > Canada > Turbo engine problems, why?



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      09-12-2010, 01:04 AM   #1
604subtlestylez
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Turbo engine problems, why?

With all the problems plaguing the twin-turbo engines, why does BMW insist that the next generation BMW's will be all turbo engines...I mean it's not confirmed, but it's looking that way.

It would be nice if they have at least one natural engine in each model. NA engines are a lot more reliable.
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      09-12-2010, 09:39 AM   #2
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Ba engines are not only more reliable but they are much more responsive and dint have turbo lag

purer driving experience

problem: how do you get 300 hp and torque out of an inline, not v, but inline 6?

Maybe 335 should have the old m3 engine
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      09-12-2010, 04:13 PM   #3
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It's all a matter of emissions and fuel economy.
A turbo engine can be designed to provide cleaner exhaust and better fuel economy for a given size, which equates to weight, and power output.
Also the engines are produced with a budget in mind.

P-cars are producing better HP with small 6 engines, instead of the usual V8's, but they are pricey to replace.
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      09-13-2010, 12:51 AM   #4
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What problems are plaguing the 3 series turbo engines? I guess if you tune the engine to 400+ hp, use shitty low-octane gas, and don't do regular oil change, then problems are bound to happen.

Otherwise, the stock N54 is extremely reliable, minus the HPFP which is not related to the engine.
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      09-13-2010, 12:52 AM   #5
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Quote:
Originally Posted by samchoi604 View Post
What problems are plaguing the 3 series turbo engines? I guess if you tune the engine to 400+ hp, use shitty low-octane gas, and don't do regular oil change, then problems are bound to happen.

Otherwise, the stock N54 is extremely reliable, minus the HPFP which is not related to the engine.
How often do you change your oil?
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      09-13-2010, 12:55 AM   #6
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Originally Posted by A2G View Post
How often do you change your oil?
8000km (BMW approved mobil 1 or castrol syntec). Almost 70,000km so far on my E92 335i and not a single problem with the engine. No weird sound, no rattling, etc
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      09-13-2010, 07:34 AM   #7
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Quote:
Originally Posted by 604subtlestylez View Post
With all the problems plaguing the twin-turbo engines, why does BMW insist that the next generation BMW's will be all turbo engines...I mean it's not confirmed, but it's looking that way.

It would be nice if they have at least one natural engine in each model. NA engines are a lot more reliable.
Which engine problems are you referencing?
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      09-13-2010, 09:47 AM   #8
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Originally Posted by BenTrovato View Post
Which engine problems are you referencing?
+1... I don't seem to have any engine problems except for issues unrelated to the engine (ie. HPFP, some transmission hose gasket..)

So what problems are you referring to?
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      09-13-2010, 11:34 AM   #9
604subtlestylez
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Sorry for the misinformation there. I am talking about the parts necessary to have a turbo engine. Such as Hpfp, injectors, etc. There has just been many reports of people having their cars in the shop once a week or twice a week due to failed parts.
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      09-13-2010, 11:44 AM   #10
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i think you have more misinformation than real information.
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      09-13-2010, 02:22 PM   #11
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turbo engines FTW
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      09-30-2010, 02:20 AM   #12
subtlestylez
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Quote:
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i think you have more misinformation than real information.
Oh really?! You've never had your hpfp fail?

Looks like you're the misinformed one.
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      09-30-2010, 08:24 AM   #13
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Originally Posted by subtlestylez View Post
Oh really?! You've never had your hpfp fail?

Looks like you're the misinformed one.
I've never had my hpfp fail. Neither have 98+% of people who drive cars with N54's. Sure, more than a 1% fail rate is unacceptable; but assuming everyone who drives these cars is wallowing on the side of the road with check engine lights is, well, silly.
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      09-30-2010, 08:48 AM   #14
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HPFP is not related to a Turbo architecture, it's related to direct injection. You can expect to see HPFP on all future engines, turbo or not, as DI nets a 5-10% gain in efficiency (the Hyundai Sonata has DI and boasts better fuel efficiency with equivalent or superior power than any of the non-DI engines from the competition).
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      09-30-2010, 12:00 PM   #15
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Turbos FTW. TTV8 hpfWHAT?
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      09-30-2010, 12:33 PM   #16
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Quote:
Originally Posted by picus View Post
I've never had my hpfp fail. Neither have 98+% of people who drive cars with N54's. Sure, more than a 1% fail rate is unacceptable; but assuming everyone who drives these cars is wallowing on the side of the road with check engine lights is, well, silly.
98+% of people have no HPFP fail in n54s? Is that "real information" or misinformation?
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