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      02-07-2013, 09:01 AM   #199
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Checked with Dinan again on the X1 as they were asking me customer questions and here's the rep's response.

"We are working on it and no shame for inquiring again! I wish I had some software or stuff here to sell you for it. Iím not sure when we will complete the software for either car. Have you signed up for the newsletter at our website? We can email you when we release stuff for the n55 and n20."

So they are working on both N20 and N55.
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      02-07-2013, 01:27 PM   #200
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expect around 50 hp more at least from cobb


http://www.cobbtuning.com/BMW-N55-Ac...wer-gains-135i
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      02-08-2013, 04:52 PM   #201
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Just ordered the BMS Stage 1 for our X1 (N20). I'll report back after. I went this route because the feedback has been stellar, and it's been installed in over 250 rides already. BMS is currently working on their Stage 2 for this (unlocking CAN features, more power, etc).
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      02-09-2013, 12:06 AM   #202
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Picked up my X1 specific KW V1 coilovers today and compared the part numbers with those of my wife's 335i xDrive setup. Front/Rear dampers and rear springs are all the same as the E90/E92 xDrive units. X1 specific items are sleeves fitted to the front dampers to suit the X1 front knuckle, and different front springs (10mm longer and slightly heavier gauge coil).

With this info at hand, and bearing in mind the relative lack of availability for the X1 specific units (KW NA will just say no, you can't have them), I'd say the E90/E92 xDrive items are a safe and workable alternative.
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      02-22-2013, 08:02 PM   #203
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Can some one help me track down the mud flaps for my x1.. I cant find the x1 flaps.. any help is appreciated.. Thanks
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      02-23-2013, 03:30 PM   #204
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Originally Posted by aob511 View Post
Can some one help me track down the mud flaps for my x1.. I cant find the x1 flaps.. any help is appreciated.. Thanks
Try this link

http://www.shopbmwusa.com/ProductLis...?CategoryId=13
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      02-23-2013, 08:39 PM   #205
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I just finished installing the BMS Stage 1 piggyback in my wife's X1 (28i). It's the N20 (not N26) and thus utilized all 4 connections. Took about 45 minutes - easy. No CEL or anything. Only had to reset the clock and good to go.

First impressions: lots more pull. Neck-whipping acceleration in the higher rev-range. Seems very balanced, as you can meander around town with fuel economy in mind... then stomp on it and really feel the added hp/tq. I say well done to BMS.

Can't imagine what Stage 2 will look like

Last edited by johanness; 02-23-2013 at 08:40 PM. Reason: spelling
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      02-24-2013, 08:19 PM   #206
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Originally Posted by johanness View Post
I just finished installing the BMS Stage 1 piggyback in my wife's X1 (28i). It's the N20 (not N26) and thus utilized all 4 connections.
What's the production month/year? I believe all US N20 engines since July 2012 have the electronic wastegate like the N26, thus utilizing only 3 connections.
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      02-25-2013, 07:24 AM   #207
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Quote:
Originally Posted by nospam
What's the production month/year? I believe all US N20 engines since July 2012 have the electronic wastegate like the N26, thus utilizing only 3 connections.
a) Canadian X1 b) used all 4 connections - including the solenoid one under the engine cover labelled "1" on install.
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      02-28-2013, 12:03 AM   #208
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BMS N20 Stage 2 news: http://www.n54tech.com/forums/showthread.php?t=18786

TLDR: A new N20 2.0L world dyno record: 300+whp and 350+wtq!!! Stock everything except the JB4 N20 tune on E85 fuel.
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      02-28-2013, 06:23 PM   #209
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But our engines are not supposed to be run on E85 fuel, so why post tune numbers using it ?
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      02-28-2013, 09:34 PM   #210
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Quote:
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But our engines are not supposed to be run on E85 fuel, so why post tune numbers using it ?
If I had to guess, they are probably testing on E85 because lower octane brings more knock. I would rather them tune for the lowest octane they can find than for higher octane and be forced into 93 only (even though I only use 93 anyway)
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      02-28-2013, 10:34 PM   #211
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But our engines are not supposed to be run on E85 fuel, so why post tune numbers using it ?
My understanding is that you can run E85 with the JB4 tunes.
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      02-28-2013, 10:55 PM   #212
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Well cool, if he's remapped for e85 the turbos should love it.
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      02-28-2013, 11:26 PM   #213
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My understanding is that you can run E85 with the JB4 tunes.
Looks like the JB4 autotuning supports E85 blended with 91/93 (straight E85 not recommended).

I'm glad I sold my N54 E90...too much temptation, power corrupts!

The N20 is saving me from myself.

I wonder which features will make their way into the N20/N26 Stage 2 (JB4) tune?

Quote:
N55 Stage2 (JB4) Upgrade Kit

Upgrades your current Stage1 control box to the latest Stage2 JB4 processor. Featuring 5x the processing power, 2x the memory, more robust signal conditioning, and of course integrated CAN. The CAN module allows the Stage2 to communicate with your vehicle like never before. New features are too numerous to fully list but include code reading/deleting, optional in dash boost, timing, air/fuel, shift light, and IAT gauges, autotuning, a buttery smooth new CAN based integrated boost control system, steering wheel controls, built in downpipe fix, hot/cold oil temperature protection, progressive methanol integration, water pump remapping, and much more to come with simple firmware updates.
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      03-01-2013, 08:54 PM   #214
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Any X1 35i owners out there using a JB Stage 1 ? If so did you use all 4 connectors with the install ?




Edit- Disregard, does not work no matter what config used.
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Last edited by CIWS; 03-02-2013 at 01:50 PM. Reason: addition
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      03-03-2013, 08:23 AM   #215
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Quote:
Originally Posted by CIWS
Any X1 35i owners out there using a JB Stage 1 ? If so did you use all 4 connectors with the install ?




Edit- Disregard, does not work no matter what config used.
Are you saying JB4 Stage 1 is not compatible with the X1 35i?

I'm planning on a tune after breakin service and that is the one I was going to purchase.
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      03-03-2013, 08:29 AM   #216
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I'm pretty sure BMS N55 Stage 1 (JB3) and Stage 2 (JB4) are compatible with the X1 and are installed by members of this forum
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      03-03-2013, 08:41 AM   #217
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Quote:
Originally Posted by conceyted View Post
BMS N20 Stage 2 news: http://www.n54tech.com/forums/showthread.php?t=18786

TLDR: A new N20 2.0L world dyno record: 300+whp and 350+wtq!!! Stock everything except the JB4 N20 tune on E85 fuel.
It appears that only the pneumatic boost solenoid engines will be supported initially (connection #1), and not the electronic. I believe this eliminates all US X1s from the alpha/beta. Hopefully the electronic solenoid is supported in the final release.
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      03-03-2013, 10:35 AM   #218
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Are you saying JB4 Stage 1 is not compatible with the X1 35i?
Negative. I have no experience with the JB4. I ordered and tried the JB Stage 1 harness. JB4 is supposed to be a different animal altogether inside.
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      03-03-2013, 10:37 AM   #219
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I'm pretty sure BMS N55 Stage 1 (JB3) and Stage 2 (JB4) are compatible with the X1 and are installed by members of this forum
I did post a question asking if anyone was running the JB stage 1, but no response. My question would be is there another owner running the Stage 1 harness on a 2013 35i ?
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      03-03-2013, 01:27 PM   #220
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Originally Posted by bmw5406spd View Post
what a difference, only 1k miles so after 5k should feel stronger, have BMS cold air install this weekend, also install down pipe when they get them instock again...
Quote:
Originally Posted by CIWS View Post
I did post a question asking if anyone was running the JB stage 1, but no response. My question would be is there another owner running the Stage 1 harness on a 2013 35i ?
bmw5406speed has it on his 35i
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