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      11-01-2011, 02:33 PM   #1
AtlM5
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Thumbs up Performance Mods

I realize that this particular car probably doesn't have a vast market for tuning, but this car is very light for an SUV and the n55 is a very mod friendly engine(not as much so as the n54 yet, but it'll get there). So I was just wandering if anyone has or has thought about modding their 35i. I think with a little JB4 and I/E plus maybe meth and a FMIC the car could be pretty fun. I dont think there are any CAIs or exhaust parts out for the car yet though so they would have to be custom as of right now. Im just trying to see who else has thought about it, thanks.
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      11-01-2011, 05:59 PM   #2
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I plan on it. Not much aftermarket available for the current X3's. I don't think there will be too much available.

I plan on doing a tune and some suspension as well.

For tune

JB1 is currently available for the n55. Dinan will hopefully be available by spring next year.

I am not too sure if the n55 BMW performance tune will work as well. To me that would be ideal.

There isn't too much support at all with the X3 (1st gen too). I would imagine that if the X3M comes out, there will be more.
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      11-01-2011, 08:19 PM   #3
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I mean, seriously? Get an X[5/6]M, not much has to be modded there. And if you have a mod itch, get a WRX or some other JDM and go crazy! X3 imho is too classy to be modded...

AC Schnitzer is a tasty visual mod:
http://www.bmwblog.com/2011/07/02/bm...-ac-schnitzer/
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      11-02-2011, 12:02 AM   #4
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Quote:
Originally Posted by dandanio View Post
I mean, seriously? Get an X[5/6]M, not much has to be modded there. And if you have a mod itch, get a WRX or some other JDM and go crazy! X3 imho is too classy to be modded...

AC Schnitzer is a tasty visual mod:
http://www.bmwblog.com/2011/07/02/bm...-ac-schnitzer/
For some people, modding isn't just about having the fastest or best looking vehicle out there.

Its the thrill of modding, making something that wasn't from the factory, faster or better looking. Even people that by M products STILL add visual/performance ad ons. Its about being unique and personal satisfaction. EVEN BMW promotes individualization/ having visional and performance add ons through BMW performance and individual line.

Nothing is "too" classy to get modded. Its all HOW you mod it. Lambos, Bentleys, Ferrari's, etc... all get modded.
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      11-02-2011, 01:12 AM   #5
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^+100000

back on topic now... the BMW performance tune wount be compatible because it is for the 1/3 series. The only tunes that will work with us are ones developed for the n55 X5/6 or 535i because of the 8speed trannys. I know theres a JB tune out for these cars...if you want to search for it you should probably search for it through the 535i because it will have the largest aftermarket following. Anything else you want to do will have to be custom done more than likely.
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      11-02-2011, 06:15 PM   #6
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I will be looking to mod in the near future. I will be looking at the list below to start but will look at anything else. It's was tough to give up the N54 but have been pretty satisfied thus far.
  • New Rims
  • Tune - (Procede)
  • Exhaust
  • DPs - Catless
  • Intake
  • Meth?

I am looking forward to getting started!
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      11-03-2011, 01:11 AM   #7
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Eibach developed some springs for the E83, I am sure that will be out soon for the F25s.

The JB tune that is available is a JB4 Stage 1 available on the X3 is at n54tuning which gives you about 50hp more.

I plan on waiting for the spring to see what the DINAN tune brings as its supported by BMW warranty.
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      11-03-2011, 01:59 PM   #8
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Spider box is tempting
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      11-05-2011, 09:28 PM   #9
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Quote:
Originally Posted by AtlM5 View Post
^+100000

back on topic now... the BMW performance tune wount be compatible because it is for the 1/3 series. The only tunes that will work with us are ones developed for the n55 X5/6 or 535i because of the 8speed trannys. I know theres a JB tune out for these cars...if you want to search for it you should probably search for it through the 535i because it will have the largest aftermarket following. Anything else you want to do will have to be custom done more than likely.
I ran across this: http://www.burgertuning.com/N55_Jb_B...nce_Tuner.html
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      11-07-2011, 11:49 AM   #10
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^yea thats the JB4 available for our cars. And as far as I know concerning Dinan, they are not covered under BMWs warrantee anymore as a result of poor quality/reliability IIRC. Either way BMW cannot legaly revoke your warantee in the United States because of modifications; they have to prove that a modification you did to your car caused a specific problem then you on your own for that specific issue.
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      11-25-2011, 02:24 AM   #11
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Has anyone talked to Dinan yet & know for sure if they are developing any parts yet? I had a Dinan exhaust on my E60 535i & was very pleased with it. Don't plan on doing a lot but would really like a exhaust & ECU reflash.
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      11-25-2011, 03:06 AM   #12
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anything on the 2 liter diesel?
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      11-25-2011, 01:33 PM   #13
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nothing out there from BMS regarding the 2.0d... I haven't seen anything yet regarding them. I would imagine that support might be limited until they are offered on the new F30's coming out. Even then they need time to develop such a product.

I've done some more research... Talked to Mike @ n54tuning. Stage 1 is for sure available on the F25 N55's and stage 2 is not yet available. I'll be purchasing Stage 1 very shortly here... gets me 50whp more. I'll be ordering a new chargepipe at the same time to accomodate a blowoff valve for the increased boost and more than likely a 4" downpipe.

Also, both H&R and Eibach have springs available at roughly 1.3-1.4" drops.
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      11-25-2011, 02:20 PM   #14
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Why would you bother - it's a truck not a sports car. Spend the money on a used Miata/MX5 and autocross or track it. Much better FROI.
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      11-25-2011, 03:08 PM   #15
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Quote:
Originally Posted by MattUK View Post
Spider box is tempting
Do these really work?, do you know what parameters are changed on the box/, I heard they up the boost and fuel only, making for problems down the line. Anyone.
I sent them an email months ago and got NO reply to my questions, that says it all to me.
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      11-25-2011, 09:37 PM   #16
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Quote:
Originally Posted by Le Chef View Post
Why would you bother - it's a truck not a sports car. Spend the money on a used Miata/MX5 and autocross or track it. Much better FROI.
I totally agree with you Chef. I have a younger brother who has ruined three cars over the years by modding them to the point where the dash rattles and the ride is horrible. His best effort was a mint 1986 Alfa Romeo GTV6 bought for $22k which he spent about $30k on new wheels, tyres, lower roll centre, engine mods, suspension mods, seats etc etc etc. The car was eventually undrivable for more than about 5 mins and he sold it a couple of years later to the guy he bought it off for $9k. Total loser.

I think it is cheaper to pay for the car which has all the features and performance you want instead of buying something else and trying to improve on it. Don't get me wrong, I understand the reasons and do sympathise with them but you are much better off buying a car designed for that performance then modding something that is not. Suspension and brakes are designed for the performance of the car. When you improve the performance you may be pushing the capabilities of the other components.
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      11-26-2011, 12:53 AM   #17
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Quote:
Originally Posted by Le Chef View Post
Why would you bother - it's a truck not a sports car. Spend the money on a used Miata/MX5 and autocross or track it. Much better FROI.
Good question.

Why buy a 35i instead of a 28i? Why does BMW offer individual? Why do people order //M models? What's the point of an X5M or an X6M? Why is there a market for tunes and suspension upgrades?

As rude as this sounds... no one asked for the opinion for to whether mod it or not. Question was merely to see what products are available for the vehicle. Contrary to the fact that you say its pointless, there's obviously some interest in modifications to your X3 otherwise you wouldn't have wasted your time on clicking the clearly stated title "Performance Mods".

I'll mod my X3 the way that I want... I am fully aware of the implications to modifying my new vehicle regarding warranty, resale, and overall quality. With the average age group of X3 owners, I am sure that most people are aware as well. Furthermore, having a sports car may not be the best vehicle to suit our needs. For us having a quick SUV that looks different from all the others may be our best compromise.

Sorry that your wife doesn't let you have a little fun
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      11-26-2011, 02:05 AM   #18
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the car manages 5.5 0-60. With a jb4 tune it could be possible for 5 flat or even faster. the n55 engine is very impressive and in the e90 (3 series cars) its very fast. they are in the low 12's. this car has the same 0-60 as the 335i. so i dont see why this truck can be quick too!

it should outpace an srt8 jeep, any audi truck(stock lol), well basically anything in its category or a small suv/cross overs with a tune. very easy to take in and out for maintenance or service. 50hp instantly. i have a 335i with a jb3. its a different car after it.
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      11-26-2011, 07:15 AM   #19
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Simple is as simple does. Why not just buy a faster truck then?
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      11-26-2011, 09:07 AM   #20
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Just say you got 0-60 in 4 or 4.5 secs for your X3, you could say you need that as it can never handle like an M3 or 335i; so you have to be able to be really fast on the straights.

It's down to personal choice, my feeling is that a fast car (in a straight line) that doesn't handle very well too is unbalanced.
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      11-26-2011, 10:33 AM   #21
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TDI tuning are offering a chip for the 30D that will take it above the 35D, 323PS & 700Nm. I understand how these work, cylinder temps had to be reduced to get NOx for euro 5 so there is plenty of spare in the engine. It should also improve efficency so the fuel improvement should be right but are they traceable at a service once they are removed?

http://www.tdi-tuning.co.uk/car_and_..._kw_P2573.html

I had a chip on an Astra I had years ago, 120,000 miles in 3 years and no mechanical problems, always removed for service and no issues, but has anyone chipped a F25 X3 yet?
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      11-26-2011, 10:35 AM   #22
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Quote:
Originally Posted by Le Chef View Post
Simple is as simple does. Why not just buy a faster truck then?
Yes Simple is as simple does... it will cost me <$1000 to get my new X3 to get into the the low 13s/high 12's. Taking that into consideration, it's still going to be cheaper than having a regular X5M or an X6M. Find me a good quality SUV that can come near those numbers in less than $60k Canadian.

Jeep SRT8's aren't consider good quality.

When I ordered my X3 it was a toss up between a 11 335i msport xdrive and my X3. X3 won due to the usability of an SUV and higher ground clearance. Having a sedan/coupe wasn't in my best interest regardless of how much faster it can be or how much better it handles. I don't track my cars typically.. .although i might do it once on this X3 just for shits and giggles. Its my solution to growing up until I can afford having my dream car and an SUV.

Needless to say, there's a market for modifications whether you think its pointless or not... otherwise these companies wouldn't send their capital on research and development for tunes, suspension etc..
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