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Go Back   Bimmerfest - BMW Forums > BMW Model Discussions > X Series > X1 E84 (2011 - current)

X1 E84 (2011 - current)
The new to the US BMW X1 will arrive at BMW dealers in the fall of 2012 as a 2013 model year. Get your X1 28i with either sDrive (RWD) or xDrive (AWD) or get the US exclusive I6 N55 powered X1 35i dDrive.

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  #1  
Old 06-19-2014, 02:09 PM
Mojo_Mike Mojo_Mike is offline
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Amazing difference with the N20 performance in a 428 vs. our X1s

Participated in the 4 Series Un4gettable Test Drive today. I was anxious to drive the 428 coupe (the model I drove was a Sport Line) as its the same engine / transmission in my sDrive 2.8. I'm here to tell you that it feels like a completely different engine and transmission. The acceleration was much more lively than the X1 and the transmission shifts were crisp and satisfying. I can see why the car magazines are getting low 5s in 0-60 testing. Also, the entire test drive in the 428 I was in Sport mode and the throttle response / steering weight were fantastic. One other observation is that the sound of the exhaust in the 428 is marvelous (unlike with the X1).

Is there any sort of "reprogramming" that can be done to make the X1's N20 / transmission behave like that in the 428?
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  #2  
Old 06-19-2014, 07:01 PM
JRX1 JRX1 is offline
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My guess is the weight of the 428 is much less than the x1 if all else is the same. I've heard of a chip that goes in our x1's that make it faster, can't recall who makes it though.
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  #3  
Old 06-19-2014, 07:10 PM
Mojo_Mike Mojo_Mike is offline
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Quote:
Originally Posted by JRX1 View Post
My guess is the weight of the 428 is much less than the x1 if all else is the same. I've heard of a chip that goes in our x1's that make it faster, can't recall who makes it though.
According to BMWs website, the sDrive 2.8 weighs 3527 pounds, and the 428 weighs 3470 pounds, so that's not going to make that much of a difference.
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  #4  
Old 06-19-2014, 07:25 PM
JRX1 JRX1 is offline
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Quote:
Originally Posted by Mojo_Mike View Post
According to BMWs website, the sDrive 2.8 weighs 3527 pounds, and the 428 weighs 3470 pounds, so that's not going to make that much of a difference.
Hmm... when you figure out the special formula, let me know. More power is goooood mmmmkay
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  #5  
Old 06-20-2014, 07:02 AM
JimH46 JimH46 is offline
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I would suspect that there is some differences in the transmission and engine programming. I would also guess that if you got a BMS stage 1 tune and run in sport mode, the gap would narrow significantly.
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  #6  
Old 06-20-2014, 09:28 AM
ctski1 ctski1 is offline
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Quote:
Originally Posted by Mojo_Mike View Post
Participated in the 4 Series Un4gettable Test Drive today. I was anxious to drive the 428 coupe (the model I drove was a Sport Line) as its the same engine / transmission in my sDrive 2.8. I'm here to tell you that it feels like a completely different engine and transmission. The acceleration was much more lively than the X1 and the transmission shifts were crisp and satisfying. I can see why the car magazines are getting low 5s in 0-60 testing. Also, the entire test drive in the 428 I was in Sport mode and the throttle response / steering weight were fantastic. One other observation is that the sound of the exhaust in the 428 is marvelous (unlike with the X1).

Is there any sort of "reprogramming" that can be done to make the X1's N20 / transmission behave like that in the 428?
Ditto here. I had the 428 Xdrive as a loaner for few days and I can confirm the above. The X1 feels like a slow loud pig compared to the 428.
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  #7  
Old 06-20-2014, 04:12 PM
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SilverX3 SilverX3 is online now
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Quote:
Originally Posted by JRX1 View Post
Hmm... when you figure out the special formula, let me know. More power is goooood mmmmkay
Formula

428=f30

X1=e90 with new engine and gear box.... Apend of day it s still an old designed car
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  #8  
Old 06-20-2014, 08:40 PM
JimH46 JimH46 is offline
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Originally Posted by JRX1 View Post
Hmm... when you figure out the special formula, let me know. More power is goooood mmmmkay
As I noted above BMS Stage 1.
http://burgertuning.com/N20_BMW_performance_Tuner.html
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  #9  
Old 06-21-2014, 05:50 AM
Yggdrasil Yggdrasil is offline
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Aerodynamics perhaps?

And the weight for the X1 is more like 3800 if you get the pano roof. The base model is fairly rare in tests.
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  #10  
Old 06-21-2014, 12:39 PM
Mojo_Mike Mojo_Mike is offline
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Quote:
Originally Posted by Yggdrasil View Post
Aerodynamics perhaps?

And the weight for the X1 is more like 3800 if you get the pano roof. The base model is fairly rare in tests.
Wouldn't think that aero is that important in 0-60 performance.

My X1 doesn't have the panoramic roof, so while it's close to the 428 in weight, its way off in terms of acceleration.
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  #11  
Old 06-22-2014, 11:26 PM
dmark1021 dmark1021 is offline
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I think maybe it's because x1 is higher than 428, and has higher ground clearance.
Think about F1 cars, they are almost like sitting on the ground.
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  #12  
Old 07-08-2014, 10:16 PM
ht2 ht2 is offline
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Quote:
Originally Posted by Mojo_Mike View Post
Participated in the 4 Series Un4gettable Test Drive today. I was anxious to drive the 428 coupe (the model I drove was a Sport Line) as its the same engine / transmission in my sDrive 2.8. I'm here to tell you that it feels like a completely different engine and transmission. The acceleration was much more lively than the X1 and the transmission shifts were crisp and satisfying. I can see why the car magazines are getting low 5s in 0-60 testing. Also, the entire test drive in the 428 I was in Sport mode and the throttle response / steering weight were fantastic. One other observation is that the sound of the exhaust in the 428 is marvelous (unlike with the X1).

Is there any sort of "reprogramming" that can be done to make the X1's N20 / transmission behave like that in the 428?
Please try manual mode. Pull the engine to around 5500rpm (Redzone is 7000rpm) before shift up.
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  #13  
Old 07-10-2014, 05:18 PM
bimmerized bimmerized is offline
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OP, do you have shift paddles in your X1? I think the cars without have a different transmission tune. In the F30 they charge significantly more for the "sport" transmission with paddles compared to the minimal upcharge in the X1. I drove the F30 w/o paddles and the shifts didn't seem as quick as my paddle equipped X1. The shift lever itself is a whole lot nicer in my car too; wonder if you get the nicer lever with the the "sport" transmission option in the F30?
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  #14  
Old 07-12-2014, 02:12 PM
Kansasstate Kansasstate is offline
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Very happy with the M-Sport version of an X1 in handling and acceleration. Manual mode is key to the fun factor.
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  #15  
Old 07-16-2014, 06:25 PM
dsx724 dsx724 is offline
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Test drove 228i as well as 428i vert. 228i felt slightly fast than my x1 and the 428i vert probably due to 17s, lower weight, and better aero. 428i vert felt like a dog. M235i is insane and the m2 will be insane also if they go with s55.
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Last edited by dsx724; 07-16-2014 at 06:29 PM.
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