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F30 / F31 / F32 / F33 (2012 - current)
The sixth generation 3 series, chassis code F30. 2013 model year 328i and 335i sedans now in production. Read the F30 frequently asked question thread for all your basic question and dive into all the details in the ultimate F30 information thread.

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  #1  
Old 02-07-2013, 06:02 PM
Jamesonsviggen Jamesonsviggen is offline
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Mein Auto: '98 M E36/7:'13 F30 RWD
Late production change to the N20?

So I went to install my BMS stage 1 today.

I know it works on both N20 and N26.

From what I had read, at first all manuals were N20's. Then I read that later on in production N26's were replacing N20's, and so some people were seeing N26/6mts.

I was told the way to spot an N26 was the electric boost solenoid on top of the turbo.

So I got to do the install and the first sensor I am supposed to tap is not there. I take a few pics, figure I would send them to BMS. I looked at the pics and thought man, that is what the N26 solenoid is supposed to look like. WTF, do I have an N26?

Sure enough, Terry confirmed.

I either have an N26, or in my later production run of 7/12, they began using the N26 electronic solenoid on the N20.

When I looked up my VIN, it clearly states N20.

For those who don't know what to look for, see this pic, this is what your turbo will look like if you have the solenoid. If your VIN comes up N26, that's to be expected, but if you have an N20, then it might be interesting to share your build date.
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'98 M Roadster+'06 Saab 9-5 Combi 5mt
'11 Saab 9-3 XWD
'13 M-Sport 328i 6mt FOR SALE


E36/7: Dinan/RMS stage 2+ blower@13lbs of BOOST! 18" BBS LM's, too much more to list
F30: ForgeStar F14 19's summer-OZ Superleggera 17's winter/Rogue Catback/Integral Audio/AFE intake scoop/BMS stage 1
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  #2  
Old 02-07-2013, 07:02 PM
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AndDown AndDown is offline
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Mein Auto: 2013 328i, 2003 325i
I have a 7/12 build, N20 engine; it's a 2013 model year. Production was started last week of June and finished early July. Attached is a photo of said "solenoid" in my engine compartment.
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  #3  
Old 02-08-2013, 09:58 PM
jlukja jlukja is offline
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Looking forward to hearing your thoughts on the BMS stage 1 when you have some time with it.
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  #4  
Old 02-09-2013, 06:39 AM
Jamesonsviggen Jamesonsviggen is offline
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Mein Auto: '98 M E36/7:'13 F30 RWD
Quote:
Originally Posted by jlukja View Post
Looking forward to hearing your thoughts on the BMS stage 1 when you have some time with it.
My review is a bit stunted.

I am on 235 width snow tires. The car makes enough power where the traction control is intervening quite often.

The power is noticeable. Most so in lower gears and part throttle, less so at wot in 6th.

It is not as drastic as my APR tune for my CC but that went from like 12psi to 18 and cost $600 on sale.

For $300 the results are quite good. If I was to spend $1000+ on a true tune and not a piggy back, I would have higher expectations.

I can say it pulls equal to the 335 I had for a week. When I get my production exhaust put on, results should be even better.

I also wonder how equipped the stock intercooler is at combatting heat soak.
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'98 M Roadster+'06 Saab 9-5 Combi 5mt
'11 Saab 9-3 XWD
'13 M-Sport 328i 6mt FOR SALE


E36/7: Dinan/RMS stage 2+ blower@13lbs of BOOST! 18" BBS LM's, too much more to list
F30: ForgeStar F14 19's summer-OZ Superleggera 17's winter/Rogue Catback/Integral Audio/AFE intake scoop/BMS stage 1
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