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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

 
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#1 (permalink) Old 07-22-2004, 09:20 AM
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Just a theoretical question - when does the clutch actually gets worn - when you are depressing it (and holding it depressed) or at the friction point only?

I know some guys who hold the clutch all the way in while at a light or something - I don't know whether that wears it at all, or only when someone holds it longer at that point when the car starts to move..

Any ideas? I myself try to use that pedal as little as possible (never hold it in at a light or anything like that..)

1998 jet black 328is M-pkg 5spd
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#2 (permalink) Old 07-22-2004, 10:32 AM
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When the clutch is to the floor it is not slipping and as such it is not wearing. Friction point is the big deal! I make a big deal of slipping and engaging my clutch at 1000 rpms, try slipping the clutch and starting out without the tach moving from 1000, good for the clutch and for the engine.

A mechanic friend told me that while the clutch is at the floor, you are putting alot of wear on a clutch bearing, consequently I don't sit with the clutch in.

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#3 (permalink) Old 07-22-2004, 10:43 AM
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The point of wear is when the clutch engages. Once it has engaged the driveshaft, all is cool and there is minimal wear. With the clutch disengaged fully there is no wear.

It is at the 'bite point' where you feel the clutch starting to connect. If you keep the clutch partially depressed and rev the bollock out of your engine you will be greated with a new fragrance - Eau d'BMclutch!

(Don't try this... only bad and cost will come of it)

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#4 (permalink) Old 07-22-2004, 12:27 PM
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But doesn't the car stall sometimes if you start at 1000?

So as I understand, holding it in is not good, and engaging the clutch at higher RPMs is not good either... but what if you are shifting up.. shifting at 1000 all the time will not allow you to accelerate as much...?

1998 jet black 328is M-pkg 5spd
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#5 (permalink) Old 07-22-2004, 12:32 PM
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Keeping the clutch depressed too long isn't good for the teeth which is located in the middle of the pressure plate. It puts a lot of stress on it.

If you try to slip the clutch doing burnouts that's also very bad for the clutch. So far with my M3 clutch in my 318, I haven't managed to burn the clutch at all. It's very grippy and very heat resistant.

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#6 (permalink) Old 07-22-2004, 01:14 PM
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yeah thats why i hate when i drive with my friends and instead of downshifting or just even using the brake they put the clutch in at 50mph and then start to break! WTF

David
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#7 (permalink) Old 07-22-2004, 02:28 PM
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Yeah, my t/o bearing is already baking some nice noises, end of this school year I'm talking my auto teacher into use of the lift, shabang. Then I'm going for the M3 clutch set up of some sort. I'd like to reduce the weight by like 5lbs, not much just a little. Mostly I'm looking for clamping force, and lots of it! Right now my clutch blows, it's getting to the end of it's life. Or maybe it's just the pressure plate, oh well, it's all got to go!

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#8 (permalink) Old 07-24-2004, 04:33 AM
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I only engage at a thousand rpms when I am starting from a dead stop. And you can start out smoother and just as fast as slipping at like 3000 rpms. It is all about the control part, and reducing wear. Try it and keep the rpms needle at exactly 1000 rpms until your foot is completely off the clutch.

When I am driving or racing my shifts are where ever they need to be. First to second is usually a red line shift if I am balls to the walls. But even then match your rpms so it doesn't jerk at all. I have had girls in the back seat ask me if I drive a manual it is so smooth.

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#9 (permalink) Old 07-24-2004, 05:21 AM
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even though i am smooth with my clutch, i hate when people make a forward movement with their upper body whenever i shift... its them doing it....not the car...

i tested it out when i noticed a friend doing it... i did my test with my breaks so it really wouldnt be smooth. i was going like 50 and hit the break pedal down really quickly, but didnt keep my foot down...creating a false shitty gear change jerk..... my friend didnt move for the 1st second...then finally went forward.... uuhhhh... a little late there buddy.... obviously you are doing that on purpose...

i was driving iwth a friend when he told me that he hates when people do that(not that i was doing it) but he explained to me what he hated....

i just now noticed it with some people. it annoys the shit out of me... i dont know why it bothers me though...

has any1 noticed that with some people even when you are driving smoothly with manual?

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#10 (permalink) Old 07-24-2004, 11:03 AM
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YES! all the time, and ive become extremely smooth with my shifting... its mostly because they are jealous and want to make you look like a bad driver


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#11 (permalink) Old 07-24-2004, 01:59 PM
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I have noticed that even girls that don't care about your driving will do that. It is like they are anticipating a rough shift, because they ride with other people who can't drive worth s**t.

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#12 (permalink) Old 07-24-2004, 05:08 PM
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lmao... i should just karate chop those fuckers has hard and quickly as i can at their chest whenever some1 does it... they wont know what hit them.

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