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Thread: DeadPool DEFEATED! -- 540i6 Front Mount Turbo Build

  1. #1251
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  2. #1252
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    98 540 6, SC'ed, 16psi
    Nice Thad! Your stuck with us now. I'm glad it won't sell
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

  3. #1253
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    Haha, thank Nate and Chris, it really does kind of look like you might be stuck with me!

    I do think I might do a partout of the drivetrain though. That would help pull some money out of it for recent expenses, and to start the funding of the next drivetrain.

    I'm guessing there might be some interest in the only fully functional front mount turbo setup for an E39 540 that retains A/C and cruise, known to man... Do any of you guys think someone might want this stuff for some decent money (not giving this stuff away, it was expensive to make and took a year and a half to fabricate and fit, lol):

    20180703_204201.jpg

    20180703_204111.jpg

    20180703_204248.jpg


  4. #1254
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    98 540 6, SC'ed, 16psi
    Video needs more rev. Lol. Clean looking build!
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

  5. #1255
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    JimLev is offline Artifically Aspirated Moderator
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    Quote Originally Posted by tptrsn View Post


    Hope everyone had a good 4th of July!!
    I think it would have been better if you had invited us to your party.

  6. #1256
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    Had another good time drifting the 540 last weekend. It's a big girl with relatively little steering angle and a turbo that is just a touch too slow to spool for drifting with a manual trans (unless you want to kick the clutch like is so expected in drifting these days), so it difficult to manage. I'm hoping some video of it will surface, but so far there's just a few stills, like so:

    36691839_267329120694584_2197554724629118976_o.jpg

    36897097_10156403609428818_6857021369461243904_o.jpg

    36863928_267325870694909_4187559999402147840_o.jpg

    Interestingly, the day before the drift event I had a thought that maybe my cam sensor might have been causing a little intermittent issue in boost that was hard to nail down, but seemed to be creating a lack of performance. So I quickly whipped up a wasted spark and "sequenced batch fire" tune that doesn't use the cam sensor. There is a DEFINITE difference -- The car rips like a mutha now!! Not only that, but it was 100% consistent and reliable all day, banging off the rev limiter at a little over 7k.

    The trusty old butt dyno thinks it may be around or over 600bhp now, and it's probably going to be necessary to hit the drag strip some time soon to see if I can finally apply a little pressure to Chris' record. I'm also thinking that at some point I will probably need to setup a clutch switch for launch control/flat shift so I can actually launch in boost, and stay in boost throughout the entire quarter mile run. That should make a huge difference.

    Unfortunately, or maybe fortunately depending on your perspective, the factory M5 pressure plate and China friction buttons on the 6-puck clutch are not going to hold up to that abuse, so I probably need to install the Clutchnet Stage infinity clutch and pressure plate to find out. Lol... Prior to that I need to get the new drivetrain in the LRS.

  7. #1257
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    What do you think of the 540i steering for track use? People always seem to complain about it being too slow (in terms of ratio).
    1995 525i 5-speed - Thread

  8. #1258
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    Quote Originally Posted by dannyzabolotny View Post
    What do you think of the 540i steering for track use? People always seem to complain about it being too slow (in terms of ratio).
    I guess I would probably tend to agree with the masses on that one regarding the slow ratio, to some degree at least. To break it down further, I would hazard a guess that I'd think it is definitely too slow for autocross, where you need a fast ratio to get aggressively through slaloms and whatnot. For road course stuff that could be more similar to a tight, winding back road, I don't think the ratio would bother me very much, if at all. In that environment I find the steering to have a nice amount of resolution, and obviously no dartiness.

    On the other hand, the steering needs for drifting are rather strange. The trick is to chuck the car and then let go of the wheel, or throw the wheel, and then catch it. A lot of the steering/guiding of the car is done with the throttle and with left foot braking. Interestingly, the more you get that stuff figured out, the more it gets back to where it's nice to have some resolution in the steering again.

    That's why some FD drivers like Chelsea Denofa use a fairly large diameter steering wheel. The angle mods that are done to the steering components naturally quicken the steering action, so to get back some of the accuracy a large diameter wheel can come in handy I guess.

    Since I don't really feel like I have provided a very useful answer I guess I would summarize it this way: "I don't think the ratio is too horrible unless you're autocrossing, in which case it might be horrible. Or maybe I don't really know what I'm talking about."

  9. #1259
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    geargrinder is offline Having No Trouble Here BMW CCA Member
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    LOL. Excellent and typical-tptrzn answer. Aka right on with loads of goodniz but also modest and self dep.

    I have ZERO knowledge of drifty requirements but the M5 box is notably different. I’d hazard it’d be a good driftard mod.

    But also I’m a believer that there’s a optimization point for steering ratio, and most derps - like suspension stiffness - are toopid and stuck in an oversimplified more-always-better erroneous mindset. So yeah fast is good but more fast is not always more better aka “resolution” as TP says is important.

    Sure if yer an F1 driver taking crazy radius turns at 180 - yes, you need that max ratio, but you better mutha frackin have (aka also need) 99.9 percentile reactions and motor skill precision (which the have and... make no mistake... none of us do... unless any of us happen to be like, navy fighter pilots or something).

    For most derps, super super fast ratios are a mistake. Probably for me they are a mistake. Prob same reason bmw made the M3 rack ratio slower than the normal 330 or Z3 ratios. Of course like too-hard suspension, too-fast ratios feel “super sporty” driving to McDo’s and to the club, so, they’ll always sell to the ill informed and unreflective ...
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  10. #1260
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    Haha, thanks dude!!

    Maybe one of these days I will finally install my M5 box then, who knows.. Gotta get the LRS running first though. I finally had a chance to get cracking again yesterday on the trans valve body reassembly. I hope to make some decent progress on it again today.

  11. #1261
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    I guess I didn't mention that I slapped a new cam sensor in the engine a few days ago.. After really getting the "sequenced batch fire" tune dialed in super nicely, I flashed the full-sequential tune back into the MS3. Man, I thought the engine ran really well before (better than stock by quite a bit as far as drivability), but wow, the full sequential with the cam sensor not doing any funny stuff is REEEEEEEALY nice! Not to mention that I think it rips just as well in full-sequential now as it did in wasted spark "sequenced batch fire" previously.

    I'm actually kind of shocked at how well this sucker drives now, with 750cc injectors currently, a Walbro 450 in the tank, and a 6-puck clutch. Drives fantastically.

    Actually even before this latest improvement in drivability I taught my 15 year old daughter to drive a manual transmission in this car. First thing I did was just have her engage the clutch and get the car rolling without any throttle. No problem. It's a damn good driving car. I might just have to do what several of you have told me to do right along, and just keep it. There are always new ways to make more money, right? Lol

  12. #1262
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    Glad to hear it’s doing well
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  13. #1263
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    I love your work Thad!!
    I think Philly and Jimmy need to have a BFC M62TU challlenge to see whose got the fastest 540!!

  14. #1264
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    Thanks!

    I like your idea for the challenge for sure! As it turns out I was just googling drag strips in Pa. about an hour ago to see if there was somewhere that Philly Chris and I could meet up and face off. Lol

    Would be great to get Jim in on it too, but he's quite a hike away from us anymore... Especially far from Philly. Still it's a good idea!

  15. #1265
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    That would be some great fun. I know that Philly's car is faster than mine, I drove his before he upped the boost again so I'd need to throw in more juice to be competitive......or I could just bring the '33 hotrod, maybe throw in some juice if needed and clean house.
    Thad, good to hear your car is running great.
    Still waiting for Schitzo to update his M5 427LS build.

  16. #1266
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    Quote Originally Posted by tptrsn View Post
    I guess I didn't mention that I slapped a new cam sensor in the engine a few days ago.. After really getting the "sequenced batch fire" tune dialed in super nicely, I flashed the full-sequential tune back into the MS3. Man, I thought the engine ran really well before (better than stock by quite a bit as far as drivability), but wow, the full sequential with the cam sensor not doing any funny stuff is REEEEEEEALY nice! Not to mention that I think it rips just as well in full-sequential now as it did in wasted spark "sequenced batch fire" previously.

    I'm actually kind of shocked at how well this sucker drives now, with 750cc injectors currently, a Walbro 450 in the tank, and a 6-puck clutch. Drives fantastically.

    Actually even before this latest improvement in drivability I taught my 15 year old daughter to drive a manual transmission in this car. First thing I did was just have her engage the clutch and get the car rolling without any throttle. No problem. It's a damn good driving car. I might just have to do what several of you have told me to do right along, and just keep it. There are always new ways to make more money, right? Lol
    Yes make money by making a turbo kit for the rest of us hehehheh

    Sent from my LG-H915 using Tapatalk

  17. #1267
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    Yeah, get the LRS running!

    Looking forward to your new clutch and traps on the 540! Your car will beat 120.
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

  18. #1268
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    A drag meet up would be awesome!
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

  19. #1269
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    Quote Originally Posted by JimLev View Post
    That would be some great fun. I know that Philly's car is faster than mine, I drove his before he upped the boost again so I'd need to throw in more juice to be competitive......or I could just bring the '33 hotrod, maybe throw in some juice if needed and clean house.
    Thad, good to hear your car is running great.
    Still waiting for Schitzo to update his M5 427LS build.
    Thanks Jim!

    In the honor of the deadpool, I think you need to bring an M62 or S62 powered car Jim with all of the juice you can slam into it, but if you also brought the '33, that would be BONUS (especially with some laughing gas on it)! Same with Robert coming with his brute M5/7.0 or whatever it would be, lol.

    Quote Originally Posted by philly98540 View Post
    A drag meet up would be awesome!
    Agreed! Do you have any logistical thoughts on how to actually do it?

    In other news, some more cool shots of the July 7th drifting day popped up:

    37087797_1866297747004455_330194951117733888_o.jpg

    37036461_1866296253671271_1068887372789186560_o.jpg

    37243113_1868348323466064_3345166129239687168_o.jpg

    37181308_1868681463432750_5830509870591246336_o.jpg

    37250927_1868681500099413_6564484189083664384_o.jpg

  20. #1270
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  21. #1271
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    JimLev is offline Artifically Aspirated Moderator
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    Time to buy more stock in Achilles tires.
    Would have to meet 1/2 way. 2200+miles for an east coast drag race is a bit too far.

  22. #1272
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    That is a heck of a hike for a drag race Jim! Haha

    We'll see if Chris wants to do anything. I think he's the one with the least flexible schedule these days. And he's the king, sooooo....

  23. #1273
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    I'd love to be part of this plan but the miles are just to many lol
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  24. #1274
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    Quote Originally Posted by Kenny1958 View Post
    I'd love to be part of this plan but the miles are just to many lol
    Yes, that would be a rather long, wet ride just for a day at the drag strip. I'm guessing in the end we will just have to keep comparing time slips from our own local drag strips, but it would be fun if we could figure out the logistics...

    On the topic of clutch switches, so far I'm not liking my totally DIY solutions, so does anyone remember/know the workings of the factory switch? Seems like I recall it was a hall effect sensor or some goofy thing like that? Anyone? JC?

    If it is a hall effect, it's possible that I may be able to work with that, and maybe it would even be preferable since I guess maybe it would be software configurable for the exact engagement point? If so that would actually be awesome.

  25. #1275
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    On our pre TU cars, it's just a normal switch iirc.

    If my crazy busy summer schedule ever let's up, I'd be up for a meet at some dragstrip. My car is really liking the intercooler setup in the summer heat. Definately a nice improvement.
    98 540i 6, 525 whp, 120 mph 1/4, V3 Si S/C'er @16 psi, W/A I/C, Water/Meth, Supersprint Headers, HJS Cats, 3" Custom Exhaust, UUC Twin Disc, Wavetrac LSD, GC Coil Overs, Monoball TA, AEM FP, Aeromotive FPR, AEM Failsafe AFR/Boost, Style 65's w/275's, M5 Steering Box, Eibach Sways, M3 Shifter, Evans Coolant, 85 Deg Stat, PWM Fan, 10" Subs, B.A. speakers, Grom Aux/BT, Still Rolling as my DD!

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