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#1
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When planning to modify, do I go 5.0 or X5M?
I know this kinda sounds like a no brainer, but stock to stock isn't a fair comparison. I've tried doing a Google search, but not really finding the answers I'm looking for. It's my understanding that the 5.0 and X5M are the same engine, just different tuning and some exchangeable parts. I watched this (https://youtu.be/4gGzq4Pyv8Q) YouTube video where they compared a modified 335i vs an M3 and it was parting hairs in performance, but the price difference, maintenance, insurance, etc between the two would be significant. Hence my curiosity about these two X5's and how the parting of hairs might be similar here as well. Ultimately I'd modify either one right away with coilvers and wheels, so the factory M suspension is irrelevant. When it comes to performance mods, if they're in fact the exact same engine, wouldn't I be able to do the exact same mods, then get to stock M power or more, for less? 5.0's are in the $30k range, yet X5M's are still in the $40k+ range...I've even seen one in NYC that's pushing upwards of 700hp, but he's asking $64k. With the same mods, wouldn't one be able to achieve those same numbers on the lower priced 5.0 platform? I hope you guys see where I'm going with this question. M power without the M price, it seems theres no reason it can't be done, but I figured you guys would know best as to why I shouldn't.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's 325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex 600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's 135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
Last edited by m5james; 08-11-2015 at 11:47 PM. |
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#2
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Aren't the turbos different?
BimmerBoost - BMW twin turbo V8 analysis - Power potential, tuning, performance, and architecture of the N63 and S63 motors
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#3
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Not sure, but I'll read up...thanks for the link. Everything I've read so far is a given in that the X5M is better, but I'm still trying to figure out performance wise if the 5.0 can be easily made into X5M power.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's 325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex 600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's 135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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#4
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The M cars have more going for them. The entire powertrain is beefed up, and you get a killer braking system too. Plus the M will be worth more long term.
Btw I have a E53, 2001... Great vehicle. Chris |
#5
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It's mostly the same engine, the M has a 6spd while the 5.0 has an 8 speed, braking is better on the M but braking is better on the 5.0 vs my 4.4 also so its still a win. I'm not worried about worth in the long term, these will drop like bricks just like any BMW after 10+yrs. My biggest goal right now is simply power output potential since they're similar engines, but a $10k+ price difference.
I've been doing additional reading, we've seen S63's pushing 700hp, but I still have yet to find someone who's tried pushing an N63 to it's limits...likely because it's still a newish powerplant. JCL's link was very helpful. I've joined another forum as well, where I've found this info - BMW N63 Tuning... I'm quite happy this day with my X5, but my friend BullKatX5 is looking very forward to finally getting her first X5, so it'll be going into good hands of a fellow automotive enthusiast.
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650hp 10 X5///M - Stage 2, Vibrant 1794's , gutted cats, custom intake, AC Forged 22's 325hp 98 BMW 740iL - ///M5 6spd, www.bavengine.com w/ Performance Option, electric fan, CF intake tube w/ heatshield, Mag 14816 w/ notched bumper, Bilstein/H&R Stage II/Powerflex 600+hp 02 Harley F150 - MHP900 Stage 3 engine, KB2.3, 8# lower, 60# inj, Walbro FP's 135hp 01 TL1000R - M4 full exhaust, K&N, Yosh box, -1/+2 gears, 2CT's
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#6
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Sounds to me you need to find a good 5.0 and have at it!
Glad the E53 will be taken care of. Chris |
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