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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 01-31-2014, 10:41 AM
redsoxx1918 redsoxx1918 is offline
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28i vs 35i power difference

My X1 is my fourth BMW. I had a 330i sedan rated at 225hp, a Z4 rated at 255hp, and a 328xi coupe rated at 230hp. All six cylinders, of course. I'm really loving the turbo 4 in my X1 and I find it more than adequate in everyday, real world driving. It gives up nothing compared to my previous beemers. It's got plenty of pull around town with all that torque available down low in the rev range and it'll cruise all day at 100mph on the highway.

I was thinking about upgrading to the 35i next year before BMW releases the new design with a FWD platform.

I know there's probably a big difference between the 28i and 35i at the track, but, to those of you who have experienced both in real world, everyday driving, does the 35i make enough of a significant difference to justify the extra few thousand, increased insurance costs and increased fuel costs?


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  #2  
Old 01-31-2014, 11:01 AM
Gort Gort is offline
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I had an X1-28i as a loaner before my X1-35i arrived. I will admit that had I not known it was turbo-4, I would have thought it was a 6 under the hood. Nice little powerplant. Having said that, now that I'm in the X1-35i there would be no going back for me. The gas mileage difference for me is not a big deal and frankly I didn't have a big hit on insurance cost at all. My previous vehicles were a 135i and a 335i so I guess I was spoiled.
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  #3  
Old 01-31-2014, 11:03 AM
Moe 92 Moe 92 is offline
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Short answer is that I did, indeed, find a noticable difference.

I did some extensive test driving of both because I really wanted to convince myself I'd be just as happy with the 28i, but (unfortunately for me) while I found the 28i perfectly nice to drive, I found the 35i exhilarating. I felt I'd end up feeling like I'd cut an important (to me) corner, and I decided that all of the extra costs involved would be worth it.
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  #4  
Old 01-31-2014, 12:05 PM
eric9610 eric9610 is offline
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Drove both and the answer is yes. I actually have both engines in different cars. You will notice a lack of power while passing at high speed. 55-100mph. Also on ramp acceleration is where you will notice the power difference.

For me like others fuel economy is marginally better.
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  #5  
Old 01-31-2014, 12:42 PM
redsoxx1918 redsoxx1918 is offline
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Sounds like I really need to drive the 35i. I've never driven a BMW with that engine. If I like it, I think I'll def order a 2015 before they change the platform.


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  #6  
Old 01-31-2014, 09:44 PM
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stonex1 stonex1 is online now
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Like others, I too test drove a 28i, yet ordered a 35i. (without test driving it)

The main reason was for the extra power for passing during road trips.(A lot of single lane highways in my neck of the woods)

But its more than just power... consider the sound of the exhaust, the stick shifter, 6 vs 8 transmission gears, the muffler look at the back, MPG's.
The price for my 35i was only $3000(CAD) more than the 28i.
I thought it was worth it.
Both powertrains are stellar IMO.
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  #7  
Old 01-31-2014, 10:00 PM
eric9610 eric9610 is offline
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Quote:
Originally Posted by stonex1 View Post
like others, i too test drove a 28i, yet ordered a 35i. (without test driving it)

the main reason was for the extra power for passing during road trips.(a lot of single lane highways in my neck of the woods)

but its more than just power... Consider the sound of the exhaust, the stick shifter, 6 vs 8 transmission gears, the muffler look at the back, mpg's.
The price for my 35i was only $3000(cad) more than the 28i.
I thought it was worth it.
Both powertrains are stellar imo.
+1
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  #8  
Old 01-31-2014, 11:21 PM
randy7fx randy7fx is offline
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I know many here don't want to do any modifications to their car, but you could always buy a simple pnp tune for the n20 and end up with similar performance to the n55. All for the same amount of money as a pair of tires. Just a thought...
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  #9  
Old 02-01-2014, 06:32 AM
JimH46 JimH46 is offline
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Agree that you are picking between two very good options. And as noted, consider the other things that come along with each - 6 vs 8 speed trans, mechanical vs electronic shifter, etc. And as noted, an under $400 Stage 1 tune package will give you most of the power of the 35i.
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  #10  
Old 02-01-2014, 08:55 AM
cwickberg cwickberg is online now
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Quote:
Originally Posted by randy7fx View Post
I know many here don't want to do any modifications to their car, but you could always buy a simple pnp tune for the n20 and end up with similar performance to the n55. All for the same amount of money as a pair of tires. Just a thought...
A lot more difference then just a few more horsepower from modifying your ECM. Transmission, gearing, exhaust, etc all work together to make the 35i package work better. Also, for the same tune for the N55, you can make that one even better.

Only "con" is that you have to get x drive with the 35i, but if the get the m sport package you get performance control.

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  #11  
Old 02-01-2014, 09:18 AM
randy7fx randy7fx is offline
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Originally Posted by cwickberg View Post
A lot more difference then just a few more horsepower from modifying your ECM. Transmission, gearing, exhaust, etc all work together to make the 35i package work better. Also, for the same tune for the N55, you can make that one even better.

Only "con" is that you have to get x drive with the 35i, but if the get the m sport package you get performance control.

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Not sure if you were directing your response at me, or further education for the OP. I have a JB4 in my n55 X1 and love it. Perhaps your use of quotes around con indicates that isn't exactly a con, but just not preferable to rwd. I like the traction of x drive to get all of the JB4 power to the road.
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  #12  
Old 02-01-2014, 09:25 AM
bmw_again bmw_again is offline
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Quote:
Originally Posted by cwickberg View Post
A lot more difference then just a few more horsepower from modifying your ECM. Transmission, gearing, exhaust, etc all work together to make the 35i package work better. Also, for the same tune for the N55, you can make that one even better.

Only "con" is that you have to get x drive with the 35i, but if the get the m sport package you get performance control.

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Why is xdrive a con, I mean RWD would lead to EPS. That's the only reason they kept hydraulic steering on xdrive X1, just not enough space.
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  #13  
Old 02-01-2014, 09:27 AM
bmw_again bmw_again is offline
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Quote:
Originally Posted by stonex1 View Post
Like others, I too test drove a 28i, yet ordered a 35i. (without test driving it)

The main reason was for the extra power for passing during road trips.(A lot of single lane highways in my neck of the woods)

But its more than just power... consider the sound of the exhaust, the stick shifter, 6 vs 8 transmission gears, the muffler look at the back, MPG's.
The price for my 35i was only $3000(CAD) more than the 28i.
I thought it was worth it.
Both powertrains are stellar IMO.
I actually strongly prefer the 8speed to 6, even though there might be a problem if the car needs to be towed. In terms of the shifter, how does it matter, it is still an auto
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  #14  
Old 02-01-2014, 09:30 AM
randy7fx randy7fx is offline
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Originally Posted by bmw_again View Post
Why is xdrive a con, I mean RWD would lead to EPS. That's the only reason they kept hydraulic steering on xdrive X1, just not enough space.
More weight...
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  #15  
Old 02-01-2014, 09:56 AM
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N20 simply sucks IMO. N55 will be much better.


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  #16  
Old 02-01-2014, 09:57 AM
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Quote:
Originally Posted by randy7fx View Post
I know many here don't want to do any modifications to their car, but you could always buy a simple pnp tune for the n20 and end up with similar performance to the n55. All for the same amount of money as a pair of tires. Just a thought...
Then you can tune the N55 even further so...


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  #17  
Old 02-01-2014, 10:10 AM
randy7fx randy7fx is offline
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Originally Posted by Keepittrill View Post
Then you can tune the N55 even further so...


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Preaching to the choir. I have a tuned N55...
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  #18  
Old 02-01-2014, 04:57 PM
imua1 imua1 is offline
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Originally Posted by bmw_again View Post
I actually strongly prefer the 8speed to 6, even though there might be a problem if the car needs to be towed. In terms of the shifter, how does it matter, it is still an auto
I prefer the 8 speed also. It is quick shifting and allows cruising at low rpms at higher speeds. 260 ft lbs of torque at 1250 rpm is nice also. (The new 335's come with the 8 speed vice 6). Get the four cyl if you want spirited performance with good gas milage, and about $8k less. Get the 6 cylnder if you want a hot rod. .
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Old 02-01-2014, 07:56 PM
Nick250 Nick250 is offline
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I have test driven both, but have made the purchase yet. There is a refinement to the 35 that goes beyond just power. It was wonderfully smooth and power anytime you it without gear changes. There seemed to be an effortless quality about even in slow going. Unlike most folks who post here I did not care for the 8 speed tranny. It's there for fuel mileage and seemed busy shifting all the time. Maybe I would change my mind if I have owned one for a while. Also if you get enjoyment manually shifting with the 8 speed I can understand that for sure. That's subjective and you can't argue with that. I'm going to have to drive them both again before I make the final decision.

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Nick
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  #20  
Old 02-01-2014, 08:29 PM
eric9610 eric9610 is offline
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Quote:
Originally Posted by Nick250 View Post
I have test driven both, but have made the purchase yet. There is a refinement to the 35 that goes beyond just power. It was wonderfully smooth and power anytime you it without gear changes. There seemed to be an effortless quality about even in slow going. Unlike most folks who post here I did not care for the 8 speed tranny. It's there for fuel mileage and seemed busy shifting all the time. Maybe I would change my mind if I have owned one for a while. Also if you get enjoyment manually shifting with the 8 speed I can understand that for sure. That's subjective and you can't argue with that. I'm going to have to drive them both again before I make the final decision.

Regards,

Nick
+1

The 6spd is so much better since there is not un-necessary shifting for fuel economy. The power is so effortless in the 35i compared to the 28i. The 28i is a really good engine especial with the 8spd but the 35i is just better in all aspects. "effortless power at any speed"
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Old 02-03-2014, 05:17 AM
cwickberg cwickberg is online now
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I only listed it as a "con"due to lack of ability to not order it. It does add weight to the car. I love the x drive in my 35i, even though I live in Florida. It helps the car handle better in the rain and wet roads.

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  #22  
Old 02-03-2014, 10:06 AM
Gort Gort is offline
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Originally Posted by imua1 View Post
Get the four cyl if you want spirited performance with good gas milage, and about $8k less. Get the 6 cylnder if you want a hot rod. .
If you build them out side-by-side with a decent set of options, the price difference between the 35i and the 28i is closer to only $4k than $8k more.
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  #23  
Old 02-03-2014, 12:54 PM
Moe 92 Moe 92 is offline
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Originally Posted by Gort View Post
If you build them out side-by-side with a decent set of options, the price difference between the 35i and the 28i is closer to only $4k than $8k more.
That's about what I calculated for the isolated cost of the 6cyl/6sp powertrain vs the 4cyl/8sp, too. As I configured my car I noted that, based on list prices, the x35 would cost me $3750 more than the x28, and the x28 would cost $1700 more than the s28, when the cars were otherwise identically configured.

The only option I had to configure differently among the three models was to add the lighting package to the 4 cylinder models ($900); that package is included in the x35.

However, when I was making the call of whether to step up to the 6 cylinder, I assigned the true cost, to me personally, of doing so as $6350 due to the facts that:
  • I would have been perfectly happy with RWD rather than AWD - $1700
  • I would not have opted for the lighting package - $900
  • Isolated cost of the 6cyl/6sp - $3750

Also, while I was perfectly happy with the 6 speed tranny, someone who would strongly prefer the 8 speed might assign an additional cost to the 6 cylinder to represent the downgrade, as they perceive it, in transmissions.
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Old 02-03-2014, 03:53 PM
bmw_again bmw_again is offline
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For me the difference between identically equipped would have been "only" $3250 (in msrp) but I wanted the 8 speed and didn't want to spend the extra, so easy choice for me.

I never had any trouble passing on highway with my e46 (180 something horse power) or with my wife's X3, and since I'm not moving to germany any time soon it will certainly be a non-issue with X1.

Everybody has different preferences, but I like the fact that 28i is lighter and with better weight distribution. No question, that the 6 cylinder is superior in terms of power/torque.
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  #25  
Old 02-04-2014, 10:35 AM
eric9610 eric9610 is offline
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The weight differences is nothing since the 35i comes standard with the sunroof and is an option on the 28i's. Cars weigh the same when specked the same. Base to base is not apples to apples because of the included standard options on the 35 I.
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