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  #81  
Old 02-17-2017, 10:24 PM
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Quote:
Originally Posted by spadge View Post
E61 was not an alternative for me - I don't like the design (interieur & exterieur) - looks like a pregnant whale from the side
Late and !nice! looking ones (M package, black or dark grey, yellow/creme leather) E61s are very rare and not much cheaper (at least here) if compared to a F11
I ONLY like the way the Mtech package cars look. We need the size of the e61 over that of the e39t really. The modern tech stuff is of course an added bit of awesome. Including some of the weird stuff that got optioned into these things (HUD and night vision). Cost is okay at anywhere from $17k to $22K depending on mileage.

OT though, the car sounds awesome Plattus. Can't wait to see your dyno results.
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2010 X5 35d Build 02/10
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  #82  
Old 02-18-2017, 12:50 AM
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Ah-hem... Can we focus here.
I just got home, driving since 8am and it's 8pm the next day. The car and I made it home fine.

More on the trip/results after a long sleep.
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  #83  
Old 02-18-2017, 12:21 PM
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Originally Posted by Plattus1000 View Post
Ah-hem... Can we focus here.
I just got home, driving since 8am and it's 8pm the next day. The car and I made it home fine.

More on the trip/results after a long sleep.
You drive a wagon... we were talking wagons. We were passing time waiting for your followup.

Now get that thing tuned and on a dyno.
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2005 X5 4.4i Build 04/05 Maintenance/Build Log
Nav, Pano, Sport (Purchased 06/14 w/ 109,000 miles) (Sold 8/15 w/121,000 miles)


2006 X5 4.8is Build 11/05 Maintenance/Build Log
Nav, DSP, Pano, Running Boards, OEM Tow Hitch, Cold Weather Pckg (Purchased 08/15 w/ 90,500 miles)

2010 X5 35d Build 02/10
Nav, HiFi, 6 DVD, Sports Pckg, Cold Weather Pckg, HUD, CAS, Running Boards, Leather Dash, PDC, Pano (Purchased 03/17 w/ 136,120 miles)
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  #84  
Old 02-18-2017, 04:24 PM
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I know, when the cat's away.

So here's what I need to do before running on the dyno:

Figure out the distance from the exhaust port(last one on the rear, each side) to the o2 sensor for the precat location on a 4.6is engine. Add a bung, a 90 adapter for the sensor and a spacer to keep the tip of the sensor out of the direct flow of the gasses. Install all that. If you know tge length, I'd be super appreciative.

Remove my rear cats and code them out completely.

Then I can take the car to Dima, DUDMD and get to the numbers you and I want to see.

There's still the matter of the lost power last time I was on the dyno... Tune up time? New coils, injectors, plugs, filters...?

On the initial feel/sound from the headers:

Driving 1,800 miles from La Jolla, CA I can say they add to the aggressive tambour of the exhaust. I was more nervous than ever passing cops. Average driving, each shift sounds like I'm trying to race. In other wirds, before it was just a rolling build up to peak volume, now it's just evil from the get-go.

Fifth gear pulls harder, fourth is fun but 3rd is my new best friend. The headers sound so perfect.

Keep in mind, the only "mufflers" I have are the m5 rrsonator and the post cats. So getting on it is almost as loud as these pipes can get.

There's a slight vibration at idle like a 12 or 15" subwoofer is blasting @ 25 htz. Before, the exhaust manifold was absorbing the offset explosions within one single piece. Now, each explosion has its own escape route and so there's nothing to lessen the energy transfer to the engine, the engine mounts, frame and car as a whole.

I might add a washer (rubber) to the engine mounts to dampen this. I also have a little while before all the tubing has settled into place and found their comfortable homes. Once a week goes by, I'll dampen the spring clips with a heat wrap to eliminate the "twang" they can make when cold and I get too accelerator happy too soon.

That being said, I loved the feel, sound and the response when getting on it. I can't honestly say what numbers are going to show but I know it was worth it. I will be getting a muffler of some kind because the days of just cruising around and not being challenged at every stop light are gone. Every kid in Cali with a pipe wanted to test or impress me.

The "drone" at this point with no mufflers is more than most probably want. Again, no mufflers on this setup yet. I like the noise coming from a luxury wagon but there's something to be said about not showing all your cards right after a deal. I'd love BCRedliner's cutouts to a muffled system because there's also something to be said for just being the loudest kid in the room.

I found I didn't need to downshift to pass quickly but if I did for funzies, that was quicker than before and the car announced its intentions with no confusion to other motorists.
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Last edited by Plattus1000; 02-19-2017 at 01:16 AM.
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  #85  
Old 02-20-2017, 02:52 PM
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Oh man/. Pretty please give us some video or at least audio of it rowing through the gears under load!
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  #86  
Old 02-20-2017, 05:28 PM
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Originally Posted by Fox5 View Post
Oh man/. Pretty please give us some video or at least audio of it rowing through the gears under load!
My apologies, I thought I had some clips in this thread.

https://youtu.be/RQMmF3hITU4

https://youtu.be/iVuDVL7rnSc

https://youtu.be/Gas1-6ZfT7Y

This last one, Jed himself was driving. I think the grin stayed the whole trip. Keep in mind, his wagon has a full s62 m5 conversion with a 6 spd, so he knows a fun wagon when he sees one.


https://youtu.be/cqX-n_Qo198

This one was us getting stupid. Bad video reaction time led to the shortness of this clip but it was fun.
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  #87  
Old 03-01-2017, 04:46 PM
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Just a thought...

(for "Unicorn" headers)
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  #88  
Old 03-01-2017, 08:42 PM
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Originally Posted by Plattus1000 View Post
Just a thought...

[/URL] (for "Unicorn" headers)
Does anyone else read 'SHLUT'? I like 546iT though. That'll raise eyebrows from actual enthusiasts.
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  #89  
Old 03-01-2017, 08:53 PM
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I didn't see shlut, but it did make me think of Chinese automaker nomenclature
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  #90  
Old 03-02-2017, 12:11 AM
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Originally Posted by Joshdub View Post
I didn't see shlut, but it did make me think of Chinese automaker nomenclature
Funny. I was looking for a lower case u & i but didn't find one, I'll keep looking.
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