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05-18-2010, 06:56 AM | #89 | |
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05-18-2010, 07:08 AM | #90 |
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 07:10 AM | #91 |
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I got about halfway done and i realized I screwed up by not documenting this in pictures. Sorry. It's really not hard, I suppose a shop would charge an hour's labor as it only took me(first time doing it) 45 minutes. And that was with no lift and limited daylight too.
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 08:59 AM | #92 |
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I had been meaning to do mine as well, but the weather was shit here past few months. The mounts are great, I never had a grind, but now the shifting is a bit lighter in the throw and very consistent. The stock mounts were so soft, you can squeeze them between your fingers. I suspect as the weather warms up, the stock mounts would become softer. These Rogue mounts are stiff and solid. I made some runs where I was denied previously, braking hard from speed and using the gearbox, I was denied a 3 -> 2 and a 4 -> 3. That is no more.
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05-18-2010, 09:38 AM | #93 |
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Same here. It lets me put it in gear wherever I want. It WILL let you do a money shift easy now. I noticed that as I was at speed with the clutch in. I could get into second at 40 or 50 very easy with these mounts in. Something to be watchful for. No denying downshifts.
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 02:47 PM | #94 |
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I've made 20 passes at the quarter mile in my car now. I've ground 2nd once. I have stock cdv.
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05-18-2010, 02:59 PM | #95 |
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Curious, what's your best et/MPH?
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 06:47 PM | #97 |
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Youll know it when it happens. Trust me. Mine only did it every know and then. Not constant. At full throttle shifting to second at redline.
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 06:55 PM | #98 |
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13.52@105 with a 2.0 sixty foot. Stock continental tires with 15k miles on them. My car is dead stock.
My track is at 1500ft and the average density altitude is 4200 feet plus or minus 1000ft. At a sea level track like MIR(maryland) I should be in easy 12s or if I had some drag radials it would be damn close to 12's at my track.
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'16 BSM 340i M Sport + Track Pack.:.M Perf Exhaust.:.Polished BBS RS-GT.:.JB4.:.BMS Intake.:.H&R Sport.:.
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05-18-2010, 07:01 PM | #99 | |
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05-18-2010, 07:04 PM | #100 | |
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[URL=http://imageshack.us/photo/my-images/153/071jt.jpg/]
2008 Space Grey M Coupe-Euro headers-RPI Scoop-Gruppe M CAI-Eisenmann Race Cans-RE X-pipe-ECU Remap with O2 and EGT delete-H&R Sport springs-Zeck CDV delete-Stock Gloss black powder coated wheels-LED Tekarbon Angel Eyes Project-Michelin Super Sports-Hardwired Uniden R7-H&R front and rear spacers-Alarm module added-stereo amp recoded to vert spec settings |
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05-18-2010, 07:23 PM | #101 | |
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My shop chargde me half hour to install the mounts. They removed the exhaust to replace my hangers. I guess this can be done without removing the X-pipe. After I replaced the tranny mount, my car engine mount bolt broke. I had 30K on my car when this happen. I always have the bolts check every time it goes to the dealer or indy shop. I think the little give the OE mount help prolong my engine mount bolts. I didn't really have the grind before. It happened to me once or twice and I think it could be my timing. I had no problem last Sunday on a drive. Had it up to 7K rpm and shift to second was smooth. The notchness are more apparent when the car is cold. Once it warms up, it shifts very smooth. I replace my tranny fluid with Redline. |
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05-18-2010, 11:03 PM | #102 |
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This is my first manual car, so i'm not sure how it suppose to sound like. Only only grinded once when i was going into 3rd without the clutch full depressed. When i shift into 2nd i usually hear a clicking sound. Not sure it is a grind but it definitely didn't sound as bad and prominent when i grinding accidently in going to 3rd.
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07-11-2010, 10:51 PM | #103 |
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Second Encounter with 1st->2nd Grind
Today I was on the San Diego BMWCCA drive event and I want to report my 2nd experience with the 1st->2nd grind. We just completed our rest stop at Kit Carson Park in Escondido, CA. We were pulling out to make a left turn onto a busy street. So we had to carefully watch for an opening to merge in. When I saw my opportunity, I stepped on the gas in 1st gear and headed out to the center divider and then into the opening. I then quickly and completely depressed the clutch and pulled the stick from 1st to 2nd all the way back in one motion....."zzzzzzzzzzzztttttttttttt!" I don't know if this correctly describes the sound, but it's a loud high pitch metal grinding sound; just like the first time I encountered the 1st->2nd grind.
Right after it happened, it caught me off guard. So I pauseda second to evaluate exactly what I was doing. Foot is on the clutch all the way down; shifter won't go into 2nd gear and made a grinding sound. This time I didn't pay too much attention to the RPM, but I bet it was high (above 5K but definitely below redline) since I was trying to merge into traffic. So here I am, I'm trying to merge and I have to slow down because I have to release and depress the clutch again to retry the shift. In both times I encountered the 1st->2nd grind, I was pushing the car harder than I normally do. But (in my opinion) not beyond what should be within the car's capability. I wasn't even at redline! I almost never redline. Tried it a few times just for fun, but I never do it in regular driving. At this point, I've read many suggestions to fix/avoid the 1st->2nd grind issue. Some say change shifting technique (push hard to the left and then down). I will try, but it seems to me that maybe this works for some because the technique slows the shift just enough to avoid the grind. Some say shift slower. I can attest to this solution. When I shift slower in situations where I think I would have grind, I can feel the shift more notchy than usual. In other words, it's as if it "almost" won't go into 2nd gear, but since I'm shifting slowly, somehow it gives the gears a little more time to line up or something and then finally falls in. The next thing I'm going to do is replace the tranny mounts like the others have tried and found some success. Hopefully this solves the problem. Now I just need to order the part and find a shop that will do the work for me. Last edited by bobbydole; 07-11-2010 at 11:08 PM.. |
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07-11-2010, 11:06 PM | #104 |
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07-11-2010, 11:12 PM | #105 |
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Rogue Engineering Transmission Mounts from LeatherZ
Is this the tranny mount that will work with a 2007 Z4M?
http://leatherz.com/Merchant5/mercha...3_Transmission Thanks |
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07-11-2010, 11:24 PM | #106 | |
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07-12-2010, 12:09 AM | #107 |
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I've had it 3 times maybe. Definitely 2 times. Sounds like a dremel cutting wheel. BUZZZZ. It makes my skin crawl. Doesn't sound good at all but I don't believe it happens to me enough to be a concern. Yes I wish it didn't do it at all and I may install those mounts but for the time being, it is a rare happening.
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07-12-2010, 08:43 AM | #108 |
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As you learn how the car wants to be driven, the occurrences will fade away to none. (Unless, of course, you constantly force it and end up damaging something).
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07-13-2010, 07:30 AM | #109 |
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It's been exactly 2 months and I have yet to grind on the M. This is likely due to the fact that the Z4 used the same transmission, so it probably helped me adapt to its idiosyncrasies. Getting into 2nd feels very notchy sometimes, but I don't force it into gear and rather apply pressure and almost let it fall into gear. Takes a split second longer maybe, but in the end it ends up being faster.
I have noticed that on some bumpier roads the car has a tendency to jackrabbit more or shift poorly. My hunch is the transmission mounts flexing, but without swapping them out I can't say for sure. Still on the fence about attempting a swap given my utter lack of DIY experience, but don't really want the inconvenience and cost of taking it somewhere to have it done either... |
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07-13-2010, 08:54 AM | #110 |
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The mounts combined with MTL have made a huge difference, especially in the heat. Stop by your local indie shop and feel them out for replacing them; only takes 1/2 hour at the most if they are experienced.
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