E39 BMW LS1 w/ turbo

[kevm14]

This guy is great. Stock LQ4 cam is good for this: http://farm9.staticflickr.com/8191/8090 ... 9092_c.jpg

Another guy recommended this for junk blocks (and 4 pistons/rods): http://i592.photobucket.com/albums/tt4/ ... 31_385.jpg

[kevm14]

Who wants to see the 4.4L M62 next to the LQ4?? Everyone, obviously.

http://farm9.staticflickr.com/8484/8179 ... aed1_b.jpg

Not equally dressed but you can clearly see what's up. And this should shock no one.

[kevm14]

Uhh, apparently a 1993 7-series (E32) had factory HID headlights. That's incredible. And evidently requires complete replacement of the assembly because the bulb is built in. So really, it's all very German. Great when new, don't want to touch it with a 20 foot pole when older.

[kevm14]

The moment when a BMW guy discovers what you can do with later model GM PCMs: priceless.

Can HPTuners really code out/delete each and every single code that pops up, and eliminate it from being triggered again?

If so, holy ****

I'm used to the Nissan world which is fairly limited in terms of newer tuning. On my Spec V you could never "turn off" a code, only read them and then tune for AFR with a piggyback device like an SAFC.

On my fiancee's Audi A4 (2007) we coded a few things with a friend's VAG-COM, but you have to know what you're doing to do that.

I can't afford HP Tuners but I'm interested in reading more about the capabilities of it

[kevm14]

It runs. Initial dyno run put down 370 rwhp and 374 rw lb-ft.

i don't even know what those put down stock. i'm sure they could give me a run for my money though [referring to an E39 M5]. nothing compares to the sound of the S62, but nothing also compares to the maintenance and repair costs. i will admit that i will never miss having to order nearly every part online to repair the 540i motor. part of the reasoning for the swap was the ability to buy a belt/pump/alternator/anything at any hillbilly auto parts store...cutting myself free of the BMW maintenance nightmare

[kevm14]

Faster than modded BMWs? Of course.

got together with a few friends over the weekend and did some pulls from 40 and 60

Beat a supercharged, non-intercooled E36 M3 sedan (automatic) by about a car. The M3 is on about 7 lbs and has 3.91 gears, intake/tune/exhaust. We went from 55-110, which put me right at the mid/top of 2nd gear to start with.

Also beat my very good friend's 2000 M5 (see above, it's the Anthracite model) with exhaust and tune by about 2-3 cars. It was interesting see his car billow some smoke as he blew all the carbon out of the exhaust (no doubt due to VANOS!) through the gears.

Overall a very good time.

[kevm14]

This must just be a thing. This guy also closed on a new house during this swap (and got engaged).

http://farm3.staticflickr.com/2878/1013 ... e36f_b.jpg

He was previously in an apartment though (and is 25).

[kevm14]

He swapped cars with a guy with an M5 and he had this to say about the character of the M5 vs his 540i LQ4 swap:

The M5 has OEM "refinement", or what I like to call the luxury factor, in the driving inputs. Nothing to do with interior comfort or anything; clutch is extremely light effort (to the point where I found it hard to modulate, but then again I'm used to my car), and the throttle was very touchy, with a very narrow range of motion. The shifter was also effortless (a one finger shift is possible at all times), and the throw was stupid short. Imagine a George Clooney character on his way to an executive meeting, that's the type of input. Effortless power. The S62 also spins much higher on the highway due to the trans gearing (probably close to 3k at 80mph), making it easier to overtake without downshifting. Passing only requires a slight prod of the throttle. In contrast, the T56 gearing in mine means it's spinning at 2k (or so) in 6th at 80. You can still easily pass without downshifting, you just need a bit more throttle.

My car is like the caveman version of that. Clutch is much stiffer, throttle is drive by cable, stiffer, and the pedal travel is almost twice as much (this is due to the cam profile of the truck throttle body, it isn't matched to the motion ratio on the E39 pedal). I have an LS6 throttle body that I experimented with and the pedal travel is like stock.. Shifter on mine takes a firm hand to shift while at speed. Instead of George Clooney, imagine Jason Statham.

[kevm14]

Hit the dyno last night for some tuning. Despite 100% humidity we were able to finish up the WOT portion but still have work to do on the idle and part throttle. I had a few hiccups slow me down including some incorrect MAF wiring at the pigtail (due to the revised order of wires for the LS7 MAF) as well as some scaling/calibration issues, but l'll let the results speak for themselves. Last year I made 370whp/374ft-lbs on a stock 2001 Z06 cam, oem BMW exhaust (with cats), and small 3" stainless steel intake with stock van LQ4 MAF tube. This year I ditched the intake for a true 4" aluminum tube, much larger filter, and LS7 MAF. Exhaust is now a 3" dual system with an xpipe between the fuel tanks; one side dumps straight out the back with a close-off flange for quiet operation, the other through the OEM BMW muffler. Cutouts on each side before mufflers. Cam is a Texas Speed 228R - 228/228, .588/.588, 112LSA.

So 2001 LS6 cam, to the 228R cam, plus some exhaust changes. Went from 370rwhp to 427rwhp. And the torque came up from 374 to 400.

Nice looking curve.

https://farm6.staticflickr.com/5319/142 ... e90f_b.jpg

Though I'd like to see it from idle.

[kevm14]

He pass NY state inspection, though it's just a plug-in test and safety.

I calculated economy after a long trip recently:

15 mpg city beating the **** out of it
23 highway beating the **** out of it (cruising @ 80, a few triple digit blasts)