[uucdigest] Friday, June 20 2003 Volume 03 : Number 6488
_________________________________________________________________ | | Search the ARCHIVES: | http://www.mail-archive.com/[EMAIL PROTECTED] | | Visit Richard Nott's Ultimate BMW Database: | http://www.bmwdatabase.com | | For all available Digest commands including unsubscribe/subscribe, | visit the BMW UUC Digest page: http://www.uucdigest.com | | Send SUBMISSIONS to [EMAIL PROTECTED] | Complaints? Send 'em to [EMAIL PROTECTED] if you must. | Technical Problems? Send 'em to [EMAIL PROTECTED] |__________________________________________________________________ In this BMW UUC Digest: RE: [uuc] now "black arts of the racers edge" was changing brake bias Re: [uuc] E36 Cabrio Rear Window [uuc] WANTED: E30 M3 Alpine White Sunroof Panel [uuc] Almost 100 days till Ofest Re: [uuc] <E30> Wheel questions Re: [uuc] Brake upgrades for E34 525 Re: [uuc] Brake upgrades for E34 525 Re: [uuc] <E34> touring cargo net Re: [uuc] Brake upgrades for E34 525 [uuc] DME question Re: [uuc] Brake upgrades for E34 525 ---------------------------------------------------------------------- Date: Fri, 20 Jun 2003 08:55:09 +1000 From: Kim Henshaw <[EMAIL PROTECTED]> Subject: RE: [uuc] now "black arts of the racers edge" was changing brake bias OK, here's one. When I was involved in a serious Supersprint competition a couple of years ago with "The Limo", aka a 1989 E34 535i, we used to have practice in the morning and competition in the afternoon. At lunchtime, I'd sneak off to my pit and unbolt the viscous fan. Doesn't sound like much but it gave me enough extra horsepower to cut between .2 and .5 seconds per lap - which confused the hell out of the opposition (especially the P car guys) as they could see I was driving the car in a similar fashion in both sessions (ie HARD). By the way, the brake setup I used on The Limo was 750i front rotors/calipers, stock rears running Pagid Premium Road pads all round. That plus a lot of suspension work and a Jim C chip helped me win my class in the series against the likes of E36 325's older Prosche 911's and a Ferrari Mondial............. Kim H - -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of JSN Sent: Friday, June 20, 2003 6:15 AM To: [EMAIL PROTECTED] Subject: [uuc] now "black arts of the racers edge" was changing brake bias Fantastic... clever... hilarious! Anyone else care to share similar anecdotal stories on the "black arts" of gaining the racers edge? These sorts of stories amazing for us plodding low tech non-racer types. Jeff 90 535i - ----- Original Message ----- From: "jkerouac" <[EMAIL PROTECTED]> To: "[uucdigest]" <[EMAIL PROTECTED]> Sent: Thursday, June 19, 2003 11:05 AM Subject: [uuc] re: changing brake bias > re: changing brake bias: > > Here are two low tech ways I've altered brake bias to get more braking > force to the rear or less to the front, when prepping BMWs for stock or > street prepared autocross without violating class rules. If trailing > throttle oversteer to set your tail perfectly into the next gate is your > thing, you may wish to try this: > > 1. Here's one of those 'black arts' that people don't talk about. > Don't bleed the front brakes. Keep fresh fluid in the rears. In fact > you can deliberately introduce air into the front brakes by opening the > bleeder valve with the pedal down, and raising the brake pedal a bit so > some air gets sucked in. > Don't try it if you're tracking the car. In an autocross > setting this method works well because you only need one or two heavy > womps on the brakes, plus some left foot braking during the run. > Therefore heat buildup on the front is not of concern. > > 2. Use smaller diameter rear/larger diameter front tires. Thus the > fronts rotate slower, the rears faster, so the proportion of effective > swept area shifts rearward. Another plus when autocrossing is that > smaller rear tires make the tail more reactive. The car will rake > rearward a bit, causing more caster on the front wheels and shifting the > weight bias rearward. > Enjoy, > > 'jk > > If you want to go as fast as everyone else, first do what everyone else > is doing. If you only do what everyone else is doing, how can you go > any faster? > ---------------------------------------------------------------- > > > ------------------------------ Date: Thu, 19 Jun 2003 20:04:10 -0400 From: Brian Daley <[EMAIL PROTECTED]> Subject: Re: [uuc] E36 Cabrio Rear Window Steve, It does have a zipper, but I'm sure you noticed there's no pull on it. It requires a BMW tool to unzip and replace. Brett A. might have one for rent. I think the part is pretty pricey too. Let me know how you make out - mine's starting to crack at the "fold" right in the middle of the window. It's beyond me why it took BMW until the E46 to put in a glass rear window. Ford (for one) has been doing it since the 80's in the Mustang at less than half the price of the 3-series at the time. Brian Daley 94 325ic Steve Conner wrote: >Can the rear window of a 94 325 convertible be easily changed? It appears >to have some sort of zipper around the window, but it is not obvious if it >comes out easily. Thanks. > >Steve Conner >Kokomo, IN > > > > ------------------------------ Date: Fri, 20 Jun 2003 01:00:48 +0000 From: "Alan Polo" <[EMAIL PROTECTED]> Subject: [uuc] WANTED: E30 M3 Alpine White Sunroof Panel I am almost sure that the regular E30 and the E30 M3 share the same part for this application, but please correct me if I am wrong. As the subject states, I am looking for an Alpine White sunroof panel for an E30 M3. Thanks - -Alan _________________________________________________________________ Help STOP SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail ------------------------------ Date: Thu, 19 Jun 2003 22:00:39 -0400 From: Steven Schlossman <[EMAIL PROTECTED]> Subject: [uuc] Almost 100 days till Ofest I started a message board for folks looking to caravan to Ofest. http://www.happytogether.com/unofficialofest/ Ofest Details from Roundel Registration Form Cometition Rules and Guidelines all can be found at http://www.bmwcca.org/Oktoberfest2003/OfestFS.shtml There is a tentative schedule posted at http://www.tejaschapter.org/ - -- ...steven 1996 328ti 2003 MCS ------------------------------ Date: Thu, 19 Jun 2003 22:12:58 -0400 From: "C. Baker" <[EMAIL PROTECTED]> Subject: Re: [uuc] <E30> Wheel questions Not so hard. It's only a 1/2 inch gap. Chris B. - ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Thursday, June 19, 2003 5:55 PM Subject: Re: [uuc] <E30> Wheel questions > Bob said: > > >Date: Thu, 19 Jun 2003 20:12:56 +0000 > >From: [EMAIL PROTECTED] > >Subject: Re: [uuc] <E30> Wheel questions > > > >On the treet, I use BBS RS Classic 7x15 3-piece gold center wheels with > >Yokohama AVS ES100 225/50-16 tires. They're beautiful but hard to clean. > <snip> > > I'd imagine they're also hard to keep air in, given the 1 inch gap between > the tire and the rim. > > Scott Miller > GGC BMW CCA > > ------------------------------ Date: Thu, 19 Jun 2003 22:32:01 -0400 From: "Gary Derian" <[EMAIL PROTECTED]> Subject: Re: [uuc] Brake upgrades for E34 525 One does not trailbrake a go kart. There are several reasons. Gary Derian > Michael wrote: > >go look at a go cart. (non-shifter cart, cause shifter carts are allowed > brakes at 4 wheels.) > >100% brake bias to the rear. not too problematic. yes you could stop > faster with brakes on all > >4 corners, but for one thats illegal in these classes > > We have some of those here in Detroit, ~5-6hp Honda motors, real kart > chassis and > only rear brakes. I'm not terribly fond of the rear only brakes, for one > you can't > just stand on the brake pedal or you may spin, you definitely have to be > really > careful trailbraking into a corner. I've also driven an '89 Carrera on the ------------------------------ Date: Thu, 19 Jun 2003 22:36:13 -0400 From: "Gary Derian" <[EMAIL PROTECTED]> Subject: Re: [uuc] Brake upgrades for E34 525 Sounds like insufficient front brake to be but only testing will tell for sure. Remember that front and rear brakes often operate at different temperatures and will therefore be at different points on the temperature/friction curve at different parts of the track. Gary Derian > the idea is indeed to move bias to the front. another aproach would be > bigger calipers on the front, complemented by much bigger calipers on the > rear. current brake bias is around 70% front. I'm looking for more along the > lines of 65% to 63% front. I'm not looking to move the brakes ALL to the > rear, but currently the rear brakes don't do much of anything ... especially > when braking hard. > > -Michael McCoy ------------------------------ Date: Thu, 19 Jun 2003 22:18:34 -0400 From: "Gary Derian" <[EMAIL PROTECTED]> Subject: Re: [uuc] <E34> touring cargo net The wide net has a telescoping rod. The narrow net clips to the telescoped out wide rod. is one set of clips to use when the rear seat is up, and a set to use when the rear seat is down. Gary Derian > Greetings all. I took a 525iT in, 1993, and it has the rear cargo > retractable 'net' behind the rear seats. It is supposed to pull up to the > headliner and slip into some type of gizmo attached to the roof. There are > two nets, therefore, it should have two slots. The dealership has no parts > fiche showing this thing and, thus, can't order the part for me. Anyone know > what part I'm talking about and know where to get it? > > In other news, I did sell my perfect 88///M5 to fellow lister Geoff Garrett. > He flew in from California and bought it on the spot. Nice guy. He'll love > it. I'm sorry to see it go. You guys can all kill me, but I want a 911 > again. Perhaps this isn't the best place to proclaim that :-) > > Alex Cagann > http://www.autoconsortium.com > > ------------------------------ Date: Thu, 19 Jun 2003 22:33:57 -0400 From: "Gary Derian" <[EMAIL PROTECTED]> Subject: Re: [uuc] Brake upgrades for E34 525 Yes, but you need one for each rear wheel. Gary Derian > > Question: Can you install an adjustable bias valve in an ABS system? > ------------------------------ Date: Thu, 19 Jun 2003 20:15:02 -0700 (PDT) From: Drew Sheppard <[EMAIL PROTECTED]> Subject: [uuc] DME question - --0-233911303-1056078902=:73347 Content-Type: text/plain; charset=us-ascii Hi everyone. A while back I posted about a mismatch between a DME and chip. Thank you to those that confirmed that I indeed had a mismatch. The DME out of my 87 325is is a 261-200-153. The chip is for a 173. After some research it seems that the 153 had an architectural problem....and that what I should really do is get a different DME. From what I can tell I need something from 88-91 E30 (except NOT from an IX) that ends in 173. I am about to start checking around at recyclers....anyone have a DME that matches this that they want to sell? Any recommendations on places to call? Anything in that range/model year timeframe that I should avoid like the IX? Thanks Drew - --------------------------------- Do you Yahoo!? SBC Yahoo! DSL - Now only $29.95 per month! - --0-233911303-1056078902=:73347 Content-Type: text/html; charset=us-ascii <DIV> <DIV> <BLOCKQUOTE style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"> <P>Hi everyone.</P> <P>A while back I posted about a mismatch between a DME and chip. Thank you to those that confirmed that I indeed had a mismatch. The DME out of my 87 325is is a 261-200-153. The chip is for a 173. After some research it seems that the 153 had an architectural problem....and that what I should really do is get a different DME. From what I can tell I need something from 88-91 E30 (except NOT from an IX) that ends in 173. I am about to start checking around at recyclers....anyone have a DME that matches this that they want to sell? Any recommendations on places to call? Anything in that range/model year timeframe that I should avoid like the IX?</P> <P>Thanks</P> <P>Drew</P></BLOCKQUOTE></DIV></DIV><p><hr SIZE=1> Do you Yahoo!?<br> <a href="http://pa.yahoo.com/*http://rd.yahoo.com/evt=1207/*http://promo.yahoo.com/sbc/";>SBC Yahoo! DSL</a> - Now only $29.95 per month! - --0-233911303-1056078902=:73347-- ------------------------------ Date: Fri, 20 Jun 2003 03:01:57 -0400 From: "Michael McCoy" <[EMAIL PROTECTED]> Subject: Re: [uuc] Brake upgrades for E34 525 - ----- Original Message ----- From: "Gary Derian" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, June 19, 2003 10:36 PM Subject: Re: [uuc] Brake upgrades for E34 525 > Sounds like insufficient front brake to be but only testing will tell for > sure. Remember that front and rear brakes often operate at different > temperatures and will therefore be at different points on the > temperature/friction curve at different parts of the track. > oh? different temps? cause the pad compound is generally the same front and rear. so you'd want it to be the same temp front and rear. probably something you'd want to consider when designing a braking system for something like track use. - -Michael McCoy > Gary Derian > > > > the idea is indeed to move bias to the front. another aproach would be > > bigger calipers on the front, complemented by much bigger calipers on the > > rear. current brake bias is around 70% front. I'm looking for more along > the > > lines of 65% to 63% front. I'm not looking to move the brakes ALL to the > > rear, but currently the rear brakes don't do much of anything ... > especially > > when braking hard. > > > > -Michael McCoy > > ------------------------------ End of [uucdigest] V3 #6488 *************************** | | In memory of Michel Potheau - friend, enthusiast, founder of the BMW CCA. |________________________________________ | Please visit these UUC-approved BMW parts vendors/service providers: | (listed alphabetically) | | Autoscope-Motorsports - http://www.autoscope-motorsports.com | |==================================================== | | Koala MotorSport . BMW technical information, special tool sales/rental | http://www.koalamotorsport.com | |==================================================== | | Taylor BMW - http://www.taylorbmw.com - Doc Bimmer! | |==================================================== | Turner Motorsport Inc . The Ultra-High Performance BMW Specialist | 207 Elm Street, Amesbury, MA 01950 | 978-388-7769 / fax 978-388-4202 | http://www.turnermotorsport.com | |==================================================== | | UUC Motorwerks - BMW Performance Fine-tuning | and home of the Ultimate Short Shifter - accept no substitutes! | 908-874-9092 . http://www.uucmotorwerks.com |__________________________________________________________
