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E90/E91/E92/E93 (2006 - 2013)
The E9X is the 4th evolution of the BMW 3 series including a highly tuned twin turbo 335i variant pushing out 300hp and 300 ft. lbs. of torque. BMW continues to show that it sets the bar for true driving performance! -- View the E9X Wiki

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  #1  
Old 05-23-2013, 06:24 AM
vinnieg vinnieg is offline
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2008 - 2010 Turbo Lag

Hello all,
I'm looking to buy a 2088-1020 335i Convertible. I've driven a couple of 2008's and a few 2010's. I've noticed the 2008's seem to have more turbo lag than the 2010's. Is this correct? Or did I happen to drive a couple of cars with issues? If correct do the 2009's have the same issue? There also seem to be fewer 2009's for sale.

Thanks
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  #2  
Old 05-23-2013, 06:27 AM
vinnieg vinnieg is offline
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2008-2010. Couldn't edit post.
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  #3  
Old 05-23-2013, 06:38 AM
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need4speed need4speed is offline
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Were the cars you drove MT or AT. If they were AT was it in sport mode? There are fewer 09s because fewer were sold, right in the heart of the recession. 08 and 09 definitely have the N54 motor, I can't remember if the N55 came in 10 or 11. I like the N54 better, but some do not. As far as turbo lag some on the 'fest complain of it. There have been so many software updates, some are done on a given car and not on another. All I know is in my MT N54 running E0 gas, as long as I am in the proper gear for the rpms, I have no turbo lag at all. It pulls just like the small block V8's I have driven in the past. So all I can tell you is that it is possible to find one with no turbo lag, but it may require a certain set of circumstances
N4S
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  #4  
Old 05-23-2013, 06:50 AM
vinnieg vinnieg is offline
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They were all AT. Not sure about the sport mode. Would that make a difference in the turbo lag?

The 2008's seemed to have a little lag, the 2010's however felt like someone was pushing me when I took off!
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  #5  
Old 05-23-2013, 09:31 AM
ramblinman ramblinman is offline
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BMW released a software update for the 2008 N54 which addressed the turbo lag issue. But the DME was reflashed on a customer complaint basis, not under a recall. If the previous owner didn't complain, the software probably wasn't updated. The 2010 has the N55 motor, which uses a single turbo with twin scrolls and the N54 uses two turbos. So they probably perform differently.
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  #6  
Old 05-23-2013, 11:54 AM
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CALWATERBOY CALWATERBOY is offline
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Mein Auto: 2009 E93 N54
Quote:
Originally Posted by vinnieg View Post
Hello all,
I'm looking to buy a 2088-1020 335i Convertible. I've driven a couple of 2008's and a few 2010's. I've noticed the 2008's seem to have more turbo lag than the 2010's. Is this correct? Or did I happen to drive a couple of cars with issues? If correct do the 2009's have the same issue? There also seem to be fewer 2009's for sale.

Try this: Place your foot totally flat on the accelerator.

I kid you not.
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  #7  
Old 05-25-2013, 06:58 PM
SLV335I SLV335I is offline
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Quote:
Originally Posted by ramblinman View Post
BMW released a software update for the 2008 N54 which addressed the turbo lag issue. But the DME was reflashed on a customer complaint basis, not under a recall. If the previous owner didn't complain, the software probably wasn't updated. The 2010 has the N55 motor, which uses a single turbo with twin scrolls and the N54 uses two turbos. So they probably perform differently.
I'm almost positive that the N55 single turbo started in the 2011 3 series models.
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  #8  
Old 05-25-2013, 11:21 PM
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CarlsonTheFlyer CarlsonTheFlyer is offline
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Quote:
Originally Posted by ramblinman View Post
BMW released a software update for the 2008 N54 which addressed the turbo lag issue. But the DME was reflashed on a customer complaint basis, not under a recall. If the previous owner didn't complain, the software probably wasn't updated. The 2010 has the N55 motor, which uses a single turbo with twin scrolls and the N54 uses two turbos. So they probably perform differently.
2007 - 2010 335i models and all 335is models have the N54 engine, and 2011 - current have the N55.
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Last edited by CarlsonTheFlyer; 05-25-2013 at 11:25 PM.
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  #9  
Old 05-26-2013, 06:12 AM
roadkillrob roadkillrob is offline
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Quote:
Originally Posted by CarlsonTheFlyer View Post
2007 - 2010 335i models and all 335is models have the N54 engine, and 2011 - current have the N55.
+1, my 2008 was lag free until they updated the software, they introduced the lag to fix other issues like noise from the wastegates, then slowly released software updates to fix the lag, my last update about 2 years ago got rid of the lag again and then a GIAC software flash and the Alpina transmission flash made everything perfect!

If you end up finding one you would like, I would recommend you ask the dealer to update all the software as part of the deal and request a final test drive before you sign on the dotted line!
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  #10  
Old 05-26-2013, 06:22 AM
SuperTerp SuperTerp is offline
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Quote:
Originally Posted by CALWATERBOY View Post
Try this: Place your foot totally flat on the accelerator.

I kid you not.
twins help vs. single in this respect the single ones I've been in I notice it way more than I did in the almost 40k I stuck on my 335i.
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  #11  
Old 05-26-2013, 07:36 AM
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CALWATERBOY CALWATERBOY is offline
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Quote:
Originally Posted by roadkillrob View Post
+1, my 2008 was lag free until they updated the software, they introduced the lag to fix other issues like noise from the wastegates, then slowly released software updates to fix the lag, my last update about 2 years ago got rid of the lag again and then a GIAC software flash and the Alpina transmission flash made everything perfect!

Brings up a point: What is the point of an adaptive transmission?

If you liked it when you test drove, so what? It changes.

If you didn't like it when you test drove, so what? Again.

This is the question: If you can't see the adaptation of the transmission, is it what you like, or will it be, or won't it?

Who is this Erwin guy?




.

Last edited by CALWATERBOY; 05-26-2013 at 09:53 AM.
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