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  #241  
Old 02-27-2013, 02:34 PM
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I was thinking about removing the X-pipe and putting in some magnaflow resonators or something, I would like a slightly deeper tone but not necessarily overly loud, the I6 isn't really a performance motor but it would be nice for a bit more sound when shifting the 5 speed.
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2003 X5 3.0i 5-Speed - Born on 9/18/2003
105k miles -Topaz Blue/Schwarz/Titan Int. Trim/EHCII/Sport
Proud 3-Pedal owner, UUC SS/AFE/4.8iS Exhaust/Sharked
2013 X5 35D (CEO's) - Born on 5/17/2013 -
68k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards

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  #242  
Old 03-14-2013, 04:19 AM
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I got the truck back from Race Marque Systems (RMS) yesterday, WOW..!! Two words, Nite & Day. 1st gear is amazing (for those who like it), it allows you to spool the supercharger and the sound is amazing (Vortech V-3 Si). 2nd and 3rd are VERY exciting! Shifting from 2nd to 3rd under full throttle takes the M54 to new heights. I cannot comment on 4th and 5th because I do not drive at high speeds. I will say making a pass on the freeway easily takes you to a high rate of speed in a flash. Vehicle weight is a factor, but if you truly understand your E53 then ALL is VERY well. (This is the part that is worth every penny), that REALLY AWFUL delay or stall from a dead stop and sometimes when shifting from 1st to 2nd... GONE! I have the clutch delay and I feel the added horsepower combined with the valve gives a feather weight feel to the shifting, extremely smooth. I can't wait to swap out all of the drive fluids over to redline. With roughly 400hp at the flywheel, the RMS kit takes the X5 3.0 MANUAL to a new level of performance.
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  #243  
Old 03-14-2013, 08:53 AM
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VIDEOS!!!!!
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2003 X5 3.0i 5-Speed - Born on 9/18/2003
105k miles -Topaz Blue/Schwarz/Titan Int. Trim/EHCII/Sport
Proud 3-Pedal owner, UUC SS/AFE/4.8iS Exhaust/Sharked
2013 X5 35D (CEO's) - Born on 5/17/2013 -
68k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards

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  #244  
Old 03-14-2013, 09:22 AM
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Quote:
Originally Posted by Happy View Post
Fired up the X5 for the first time yesterday supercharged... WoW!!! The sound... Unrecognizable!!! The RMS kit is amazing. SUPER CLEAN.. To say the least. More to come......


Tuning in progress: Be right back
Pics would be good; video... BEST!
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1988 735i/5-speed
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  #245  
Old 03-23-2013, 02:40 PM
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Happy u almost sounded like a commercial. Show us some pictures so we know you are not spam.
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2001 X5 3.0 manual with factory widebody kit
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  #246  
Old 03-24-2013, 03:25 AM
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I can responsibiliy say you can't get 400 flywheel HPs from the stock M54 just by adding the SC. The very high power barrier for supercharged stock M54 is 300 flywheel HPs, measured on a honest dyno (approved for racing homologation). And even a supercharged M54 would never reach the torque numbers and distribution of any V8s.

400 flywheel HP is the power you can get from a supercharged 4.6l M62, tuned for harmonic power and torque curves, with 10.5:1 compression ratio you can't get over 6 psi, so the 4.4 and 4.6 would be almost the same in terms of supercharging, due to a bit lower compression ratio of 4.4 M62.
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  #247  
Old 03-24-2013, 08:07 AM
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$6k. Wow.
The dyno page is missing much needed info.

X5 3.0i Supercharger Kit
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  #248  
Old 03-24-2013, 06:21 PM
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Don't have to pull the tranny to put short shift kit in!

Oh, how I dream of a supercharger on my X.............I think I would lean toward a twin-screw S/C (at that price) as the power delivery is so linear.

Anyways, I was under the X5 last night working on the brakes and took a moment to look at the shifter assembly. It is indeed very easy to get at and work on. Much better than my e36 was for sure. The toughest part that I suspect would be hard to get at is the shift linkage located on the upper back of the transmission, *if you wanted to change the bushing on it.* Totally can be done as far as I can see.
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2005 X5 3.0, 6MT, Alpine White on Truffle Brown, Sport, Preim, and Cold Weather, Alpina replica Stainless Headers, AFe Intake, Schmiedmann Custom SSK, OEM 87's, 3.64 Differential Swap, Ceramic AR20 mufflers with quad tips. Performance Modified Euro 2 Tune
Future mods ZHP/Schrick Cam Shaft upgrade, custom DSSR and KW Coilovers, UUC LTW Flywheel and M5 clutch (much of now is in a pile in my office.)

Wife's Ride: 2004 X3 3.0, 6MT, Black Sapphire on Terracotta, Sport, Premium, Cold Weather.
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  #249  
Old 03-25-2013, 04:57 PM
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I have been verified, I am not spam! Please don't insult me, another member ask me for my impression. I gave my take on the performance fair and partial to the best of my knowledge. Since, I've had more road time with the X5 and let me tell you.. It's FAST..! I was able to execute at FULL throttle a 1st 6500rpm shift to 2nd 6500rpm shift to 3rd perfectly, and then I backed off at 5800rpm. All I'm going to say is; I got ALL of my money's worth.! I have 15 years experience with performance cars, this vehicle is well over 300hp to the wheels. This isn't a plug and play tuned X5. It's a custom map, track tuned, and awd dyno tuned. For the video and pic guys, I have been very busy going into my vacation. Car is garaged but, she has not even bad a bath since the return from the shop. I've had less than an hour with the vehicle, so I apologize and will try to get something for you guys. Again, my apologies.


PS.. Still in the break-in period, still getting faster..!! Can't wait till the installation of the water/meth kit.
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  #250  
Old 03-25-2013, 05:30 PM
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Hi, Gang.

I just wanted to introduce myself. I've had this truck for a little less than a year but I thought I might have to sell it so I didn't bother posting up pictures. It turns out I'm going to wind up keeping her (don't mistake that as being bah humbug; I am quite relieved) so here she is.

2005 (D.O.B. November 2, 2004)
3.0i w/ 6MT (69,XXX Miles)
Alpine White
Schwartz Dakota Leather Interior
A Few (ehem, incomplete) Mods

I know...she needs wheels and suspension. I'm actually not driving her at the moment for that reason. She'll reside under a car cover in storage for some time until I can sort the wheels and suspension issue.

I don't have any better pictures of her because her and I are currently in different states (it's a long story). We'll be reunited in about 3 weeks time at which point I'll take some better pictures (including interior photos) and maybe make a thread. We'll see.
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2003 3.0i; Base Model Work Horse

Last edited by Bayerische E53; 03-25-2013 at 08:31 PM.
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