Any XI guys with a tune?

jpsimon · 05-13-2009, 03:28 PM

Quote:

Originally Posted by Presidio335xi

i have to disagree. not everyone needs that tight of a suspension. Getting ride of the rft makes a good deal of difference by itself. JB3,V3 or Dinan are all great options for power, some more then others. I love my car personally. I can stick with my buddys '04 M5 from a stop light through third gear because i can just drop the clutch!

The stock XI suspension is some of the worst i've ever felt.. A BMW should not feel like a boat...

The KW are adjustable, you don't need to keep them stiff... The ride is so much nicer/more controlled with them

runthis · 05-13-2009, 04:11 PM

KW V3's was tied for best mod... between my procede.

skow · 05-13-2009, 06:57 PM

I have the dinan flash/suspension/exhaust, i defiantly have no regrets with getting the xi with those upgrades.

danniexi · 05-14-2009, 11:58 AM

running JB3 w. DCI. Catless DP's are on the way. Couldn't be happier.

KW V1/3's are definitely on the list of mods as well (once I'm done with the exterior).

jgalaxy · 05-15-2009, 01:41 AM

Yup, OEM shocks/spring combo gives you that vague floaty feeling. Go with coilover upgrade first. The KWv3's give you a better sense of connection with the road once tuned to your liking, but they aint no picnic either. I've heard hints of some shock/spring combos that work for the XI that reduce the cost outlay compared to the v3s, but unless you have lots of time and money to experiment I guess we can call coilovers a necessary evil.

I've pretty much given up on the XI as a neutrally/balanced car. It will always tend towards understeer.

Nikolas · 05-15-2009, 09:52 AM

Quote:

Originally Posted by jgalaxy

Yup, OEM shocks/spring combo gives you that vague floaty feeling. Go with coilover upgrade first. The KWv3's give you a better sense of connection with the road once tuned to your liking, but they aint no picnic either. I've heard hints of some shock/spring combos that work for the XI that reduce the cost outlay compared to the v3s, but unless you have lots of time and money to experiment I guess we can call coilovers a necessary evil.

I've pretty much given up on the XI as a neutrally/balanced car. It will always tend towards understeer.

What is your sway bar set up? My STI was the same way until I upgraded the FSB to a 27-29mm adjustable. That had a huge affect on the car and made it much more neutral with controlled oversteer easily atainable. I first went the route of upgrading just the rear bar. That helped but only a little. The front made the biggest difference, increasing the contact patch of the front tires.

LuvMyRide · 05-15-2009, 10:24 AM

Let me know how that works.. My intentions were to have one of the first Dinan Xi's around, but congrats to your. I'm very interested in knowing how that works out for you because they say the only thing you can really do for us "Xi" owners is install the BMW Perf. intake.... So keep us posted.. Always looking to tune the car.. I love it but very disappointed in the low end power, or lack of for that matter.. Im constantly driving it in sport mode and that cant be great..

Quote:

Originally Posted by Turbomatic

XIs are generally 300+lbs heavier than the I. Even with mods its still like having an extra fat dude in the car with you. I like the AWD traction but I'd have to say I would prefer alot less weight. I am getting a Dinan Stage II tune next week. Hopefully the car will feel less ponderous after the flash.

LuvMyRide · 05-15-2009, 10:28 AM

WORD!!!!!! Wow, that was very informational.. i thought Id actually get rid of that feeling by changing the steering wheel. But Im glad I know the susp needs to be change first.. And I need (sorry to jump topic) rims sooo badly, one member described running on our rft's as running on bags of bricks.. and he couldnt be more right!! I just cant wait for these tough times to be over!! Need wheels!! lol

Quote:

Originally Posted by PsyD4Me

suspension before power for sure, it's just way too soft. I hated that floating feeling cruising at 80

LuvMyRide · 05-15-2009, 10:30 AM

Your not kidding.. But Im not gonna think about it and just keep modding to try and make everything perfect.

[/QUOTE]I've pretty much given up on the XI as a neutrally/balanced car. It will always tend towards understeer.

LuvMyRide · 05-15-2009, 10:31 AM

This is true!! lol

Quote:

Originally Posted by MrWhite1015

yeah but we can also mash the peddle to the floor and have no worries!

Terrance28 · 05-15-2009, 10:43 AM

Quote:

Originally Posted by Drakos

I just bought a 335xi and am picking it up today. I might need to take the kids once in a while so I thought it might be a bit safer in winter. I ordered a JB3 chip too which should arrive by Monday. I want a bit more power to compensate for the fact that the AWD is a bit heavier and slower. I don't plan to race in the car so I am just going with the default map 3 setting. I don't know how much HP gain to expect since there is nothing listed for HP gains on each map, but I am guessing about 30HP. I have the sport package which includes the oil cooler and might consider the suspension upgrade along with DP. My wife drives an X5 so this car is primarily a commuter from home to work. I will give some feedback once I install the JB3 and give a comparison.

You are gonna gain alot more than 30whp even on map 3.

LuvMyRide · 05-15-2009, 10:52 AM

So wait... Can a chip only be used in 335's and not 325's??? Some1 said a chip wouldnt do me any good..

NM_BMW · 05-15-2009, 10:59 AM

Quote:

Originally Posted by LuvMyRide

So wait... Can a chip only be used in 335's and not 325's??? Some1 said a chip wouldnt do me any good..

The Procede, AA Processor, Juice Boxes, can only be used on the N54 motor. This includes 335s, 135s, 535s, x6 and the new z4 35i

LuvMyRide · 05-15-2009, 11:02 AM

Sorry to thread jack for a sec, but is there a chip thats exists for a 325xi? no right??

NM_BMW · 05-15-2009, 11:17 AM

Dont think so.

Nikolas · 05-15-2009, 01:56 PM

Quote:

Originally Posted by LuvMyRide

Sorry to thread jack for a sec, but is there a chip thats exists for a 325xi? no right??

There are options for you -

click here: Scroll down there are some power adders for the e90 325. - not cheap though.

http://www.turnermotorsport.com/html...0&subcat_id=20

Turbomatic · 05-16-2009, 09:22 AM

Quote:

Originally Posted by LuvMyRide

Sorry to thread jack for a sec, but is there a chip thats exists for a 325xi? no right??

There are chips for the NA motor or maybe Dinan flash, but the results would be a few hp gain only. 335s are turbo, that's why the flash/chips increasing turbo boost levels have such dramatic effects.

That being said the Dinan StgII flash did increase my around town driving enjoyment, but also came with the penalty of slightly increased heat levels and obviously lower gas milage from driving the car harder.

The 1/4 mi improvements were not dramatic. A .4 sec and less than 4mph increase. I ended up at 13.28 at 103.84mph after three runs. Stock I ran 13.69 at 100.89mph. Both times with M1 manual launch and letting the computer shift at redline. There may be a margin to reduce time if I shifted earlier on my own but I didn't get enough runs to start playing with different shift points.

jgalaxy · 05-17-2009, 09:45 PM

Quote:

Originally Posted by Nikolas

What is your sway bar set up? My STI was the same way until I upgraded the FSB to a 27-29mm adjustable. That had a huge affect on the car and made it much more neutral with controlled oversteer easily atainable. I first went the route of upgrading just the rear bar. That helped but only a little. The front made the biggest difference, increasing the contact patch of the front tires.

UUC, H&R or M3 can all be added to XI. The only sway that I've heard for the front is from UUC, which has some issues that does not help resolve the understeer. Upgrading the rear alone will not be adequate. The assumption is that on hard corner track out you'll get lift and spin the inside wheel and weird out the traction control system as well.

longodj · 05-17-2009, 10:17 PM

The Hotchkis also fits the rear as the rears are the same across i/xi.

I agree with you jgalaxy. Upgrading just the rear bar solves the understeer problem some of the time at the expense of squirrely behavior a lot of the time, especially on corner exit. My car felt like it was twisting with just the rear bar. The front bar solves that but keeps some of the understeer that was removed with the rear bar.

I'm thinking that some careful coilover settings, along with an M3 rear end should get us closer to proper balance. I will be attempting this in the next month or so, if anyone has already achieved it I wonder if we could get a writeup?

AWD Addict · 05-18-2009, 12:03 PM

my e92 sport's suspension is fine. Nice mix of sport and comfort (especailly on rough New England roads).

My rideheight is fine for me given the winter conditions. Still looks very sporty.

I'd get the tune.

$0.02

NM_BMW · 05-18-2009, 04:04 PM

Quote:

Originally Posted by AWD Addict

my e92 sport's suspension is fine. Nice mix of sport and comfort (especailly on rough New England roads).

My rideheight is fine for me given the winter conditions. Still looks very sporty.

I'd get the tune.

$0.02

Didn't you put KWv3s on?

jgalaxy · 05-18-2009, 08:38 PM

There is no BMW sports suspension available for the XI that I am aware of. We can steal some bits from the M3 to remove some of the slop in the rear, but the front is left pretty much as is. In reading a lot of Orb's comments about the XI suspension and spring and shock combos, I might give that a try after some added consultation.

If anyone knows of anything else out there for the XI, I'm all ears.

05-13-2009, 04:11 PM	#24
runthis Lieutenant 46 Rep 573 Posts Drives: F82 Join Date: Apr 2007 Location: Cincinnati iTrader: (1)	KW V3's was tied for best mod... between my procede. __________________ 2015 F82 M4 - SOLD 2009 E92 335xi - SOLD
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05-13-2009, 06:57 PM	#25
skow First Lieutenant 17 Rep 310 Posts Drives: 2016 F36 Gran Coupe xDrive Join Date: Mar 2009 Location: Oregon iTrader: (1)	I have the dinan flash/suspension/exhaust, i defiantly have no regrets with getting the xi with those upgrades.
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05-14-2009, 11:58 AM	#26
danniexi Brigadier General 3052 Rep 4,387 Posts Drives: 2022 F97 X3M Comp LCI Join Date: May 2008 Location: NJ/NY iTrader: (15) Garage List 2022 BMW X3M Compet ... [10.00] 2016 BMW F80 M3 [10.00]	running JB3 w. DCI. Catless DP's are on the way. Couldn't be happier. KW V1/3's are definitely on the list of mods as well (once I'm done with the exterior). __________________ BMW MY22 F97 X3MC LCI - CURRENT BUILD THREAD\| Instagram: @danniexi BMW MY16 F80 M3 - GONE BMW MY08 E92 335XI - GONE BMW MY06 E46 325XI - GONE
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05-15-2009, 01:41 AM	#27
jgalaxy Gearing 86 Rep 3,965 Posts Drives: E46 M3, F22 M240 Join Date: Oct 2006 Location: Out East Canada iTrader: (3)	Yup, OEM shocks/spring combo gives you that vague floaty feeling. Go with coilover upgrade first. The KWv3's give you a better sense of connection with the road once tuned to your liking, but they aint no picnic either. I've heard hints of some shock/spring combos that work for the XI that reduce the cost outlay compared to the v3s, but unless you have lots of time and money to experiment I guess we can call coilovers a necessary evil. I've pretty much given up on the XI as a neutrally/balanced car. It will always tend towards understeer. __________________ If at first you don't succeed ...
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05-15-2009, 10:30 AM	#31
LuvMyRide Banned 317 Rep 1,842 Posts Drives: Bimmer Join Date: Feb 2009 Location: Planet iTrader: (8) Garage List 2006 E90 Xi [0.00]	Your not kidding.. But Im not gonna think about it and just keep modding to try and make everything perfect. [/QUOTE]I've pretty much given up on the XI as a neutrally/balanced car. It will always tend towards understeer.
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05-15-2009, 10:52 AM	#34
LuvMyRide Banned 317 Rep 1,842 Posts Drives: Bimmer Join Date: Feb 2009 Location: Planet iTrader: (8) Garage List 2006 E90 Xi [0.00]	So wait... Can a chip only be used in 335's and not 325's??? Some1 said a chip wouldnt do me any good..
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05-15-2009, 11:02 AM	#36
LuvMyRide Banned 317 Rep 1,842 Posts Drives: Bimmer Join Date: Feb 2009 Location: Planet iTrader: (8) Garage List 2006 E90 Xi [0.00]	Sorry to thread jack for a sec, but is there a chip thats exists for a 325xi? no right??
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05-15-2009, 11:17 AM	#37
NM_BMW Vishnu Powered 68 Rep 2,205 Posts Drives: 335xi, S1000RR Join Date: Nov 2007 Location: Proceding iTrader: (7)	Dont think so. __________________ 2008 335xi Sedan \| Titanium Silver \| Black Dakota PROcede v5 \| Vishnu Exhaust \| BMS DCI \| AR Catless DPs \| Helix FMIC \| Stett Charge w/ Tial BOV \| MORR VS8s \| KWv3
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05-17-2009, 10:17 PM	#41
longodj Major 75 Rep 1,288 Posts Drives: 135i Join Date: Jun 2007 Location: Rochester, NY iTrader: (3) Garage List 2007 335xi [0.00] 1974 VW Beetle [0.00]	The Hotchkis also fits the rear as the rears are the same across i/xi. I agree with you jgalaxy. Upgrading just the rear bar solves the understeer problem some of the time at the expense of squirrely behavior a lot of the time, especially on corner exit. My car felt like it was twisting with just the rear bar. The front bar solves that but keeps some of the understeer that was removed with the rear bar. I'm thinking that some careful coilover settings, along with an M3 rear end should get us closer to proper balance. I will be attempting this in the next month or so, if anyone has already achieved it I wonder if we could get a writeup? __________________ Performance: UUC Sways CDV Mod KW V3 Vorshlag plates Pagid Yellow VK OC Hotchkis Brace STETT IC/CAI Braille B2015 VK Catless DP BMS JB3 M-Tech #1 Mod: AutoX/HPDE HPDE 3 Many Thanks: **********s UUC Motorwerks VK Motorwerks HP Autowerks SOLD
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05-18-2009, 12:03 PM	#42
AWD Addict Chief Executive 300 Rep 2,886 Posts Drives: 2008 335xi 6spd Coupe Join Date: Dec 2007 Location: Boston iTrader: (1) Garage List 2008 335xi [0.00]	my e92 sport's suspension is fine. Nice mix of sport and comfort (especailly on rough New England roads). My rideheight is fine for me given the winter conditions. Still looks very sporty. I'd get the tune. $0.02
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05-18-2009, 08:38 PM	#44
jgalaxy Gearing 86 Rep 3,965 Posts Drives: E46 M3, F22 M240 Join Date: Oct 2006 Location: Out East Canada iTrader: (3)	There is no BMW sports suspension available for the XI that I am aware of. We can steal some bits from the M3 to remove some of the slop in the rear, but the front is left pretty much as is. In reading a lot of Orb's comments about the XI suspension and spring and shock combos, I might give that a try after some added consultation. If anyone knows of anything else out there for the XI, I'm all ears. __________________ If at first you don't succeed ...
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