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Peed off with the 335i already

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Old 24 January 2008, 12:05 PM
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Edcase
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Default Peed off with the 335i already

Didn't notice it on the test drive, but pulling out of the dealers yesterday on collecting the car, I stabbed the throttle to pull into a gap, and didn't go anywhere! Instead the inside tyre lit up and lots of people looked around and scowled.

Anyway, after a bit of research to test a theory last night, indeed the bean counters at BMW have decided that a 300bhp rwd car like the 335i doesn't need an LSD

My suspicions are less that it is cost related and more to do with not wanting the performance to start encroaching on that of the M3.

Car is now booked in for a Quaife LSD at Birds in a couple of weeks, but I feel slightly robbed having to go and spend £1500 on something that should undoubtedly be standard on a car like this.

Rant off.

Ed

PS going to get AP's fitted at the same time
Old 24 January 2008, 12:12 PM
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Devildog
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DSC on or off?
Old 24 January 2008, 12:40 PM
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J4CKO
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Good god man, do you have a bottomless pit of cash !
Old 24 January 2008, 12:55 PM
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It's a pity on teh new BM's that the DSC doesn't work like it used to.

On the older cars, you turn it off, but acts like a virtual LSD. So you stomp on it and when the inside wheel starts to break loose, it puts the brake on that wheel to stop it spinning but still allows full throttle

Did work quite well.

Not sure if you can get it to do this on newer cars. It maybe something like pressing the DSC button for 30seconds or something silly everytime you get in the car
Old 24 January 2008, 12:56 PM
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Originally Posted by Edcase
Didn't notice it on the test drive, but pulling out of the dealers yesterday on collecting the car, I stabbed the throttle to pull into a gap, and didn't go anywhere! Instead the inside tyre lit up and lots of people looked around and scowled.

Anyway, after a bit of research to test a theory last night, indeed the bean counters at BMW have decided that a 300bhp rwd car like the 335i doesn't need an LSD

My suspicions are less that it is cost related and more to do with not wanting the performance to start encroaching on that of the M3.

Car is now booked in for a Quaife LSD at Birds in a couple of weeks, but I feel slightly robbed having to go and spend £1500 on something that should undoubtedly be standard on a car like this.

Rant off.

Ed

PS going to get AP's fitted at the same time

Hartge representatives in the UK (forgot the name) seem to have done a good job with installing Quaife LSDs.

Seems like it gets even better then...................
Old 24 January 2008, 01:47 PM
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Edcase
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Originally Posted by Devildog
DSC on or off?
Off. But with it on, its even worse coming out of junctions as you just lurch / crawl out into the traffic!

I've got this drift day next weekend that I booked when I thought I was keeping the M5....it's gonna be interesting with an open diff!
Old 24 January 2008, 01:48 PM
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Edcase
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Originally Posted by J4CKO
Good god man, do you have a bottomless pit of cash !
No.

But I'm working on it
Old 24 January 2008, 01:49 PM
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Originally Posted by Shark Man
It's a pity on teh new BM's that the DSC doesn't work like it used to.

On the older cars, you turn it off, but acts like a virtual LSD. So you stomp on it and when the inside wheel starts to break loose, it puts the brake on that wheel to stop it spinning but still allows full throttle

Did work quite well.

Not sure if you can get it to do this on newer cars. It maybe something like pressing the DSC button for 30seconds or something silly everytime you get in the car
Not sure, I do know though that lots of people using CSL's and M5's / M6's on track have been boiling their brakes due to the rears overheating, which i assume is exacty what you are talking about?
Old 24 January 2008, 01:51 PM
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Originally Posted by Janspeed
Hartge representatives in the UK (forgot the name) seem to have done a good job with installing Quaife LSDs.

Seems like it gets even better then...................
Just been reading on e90post.com, the septics are saying that it's basically the first mod you should do to the car, before even upping the power. That and ditch the run-flats.
Old 24 January 2008, 01:54 PM
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Originally Posted by Edcase
Didn't notice it on the test drive, but pulling out of the dealers yesterday on collecting the car, I stabbed the throttle to pull into a gap, and didn't go anywhere! Instead the inside tyre lit up and lots of people looked around and scowled.

Anyway, after a bit of research to test a theory last night, indeed the bean counters at BMW have decided that a 300bhp rwd car like the 335i doesn't need an LSD

My suspicions are less that it is cost related and more to do with not wanting the performance to start encroaching on that of the M3.

Car is now booked in for a Quaife LSD at Birds in a couple of weeks, but I feel slightly robbed having to go and spend £1500 on something that should undoubtedly be standard on a car like this.

Rant off.

Ed

PS going to get AP's fitted at the same time
Ed

1) You've got too much money!!
2) The reason that it doesn't have a LSD is that it would tred on the M3s toes even more then!!
3) People were right to scowl at you....pushy sod in your beamer...blah, blah, blah!!
Old 24 January 2008, 02:11 PM
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Originally Posted by Edcase
Just been reading on e90post.com, the septics are saying that it's basically the first mod you should do to the car, before even upping the power. That and ditch the run-flats.
just what I heard, especially the RFTs.....
Old 24 January 2008, 02:13 PM
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Originally Posted by New_scooby_04
Ed

1) You've got too much money!!
2) The reason that it doesn't have a LSD is that it would tred on the M3s toes even more then!!
3) People were right to scowl at you....pushy sod in your beamer...blah, blah, blah!!
BMW should have made a better M3 then!!!
Old 24 January 2008, 02:29 PM
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Originally Posted by Janspeed
BMW should have made a better M3 then!!!
To be fair to them; they are different models intended for very different use, but a 300bhp RWD car without a LSD is, well, not in keeping with "ze ultimate driving machine"philosophy!
Old 24 January 2008, 02:38 PM
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mms://a1211.v38076a.c38076.g.vm.akam...ies_512kws.wmv

!
Old 24 January 2008, 03:13 PM
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Seems like good fun
I have a Quaife LSD in my 205 and it's the best modification I have ever done to it! Cornering is great on the wet when it pulls you towards the apex and other drivers can't catch you and don't know what is going on!
Old 24 January 2008, 03:52 PM
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They seem to only want to put LSD's on the M's nowadays, not like they used to be. Thats what puts me off most RWD cars nowadays, Boxsters and Caymans are to name a few! But saying that you could always buy one but then why should you when certain cars should come with one anyway!!!
Old 24 January 2008, 05:14 PM
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MattOz
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Ed,

Look in the classifieds on E90post. There is a chap there selling his Quaife diff for £325. It's been installed in his E90 330d before. Not sure about the ratings etc of the diff itself, but may be worth finding out if it would be the same for the 335i. Could save you a few quid.

E90 Hartge Suspension & Quaiffe Diff - BMW 3-Series (E90 E92) Forum - E90Post.com

Matt
Old 24 January 2008, 05:33 PM
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Originally Posted by MattOz
Ed,

Look in the classifieds on E90post. There is a chap there selling his Quaife diff for £325. It's been installed in his E90 330d before. Not sure about the ratings etc of the diff itself, but may be worth finding out if it would be the same for the 335i. Could save you a few quid.

E90 Hartge Suspension & Quaiffe Diff - BMW 3-Series (E90 E92) Forum - E90Post.com

Matt
interesting, good spot! thanks.
Old 24 January 2008, 06:16 PM
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totally different unfortunately
Old 24 January 2008, 06:21 PM
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This may be a slightly different issue but traction off the line in the damp with a 2wd high torque car is always a problem. Had this alot in my supercharged AMG, don't have it nearly as much in the M5
Old 24 January 2008, 06:27 PM
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Originally Posted by Deep Singh
This may be a slightly different issue but traction off the line in the damp with a 2wd high torque car is always a problem. Had this alot in my supercharged AMG, don't have it nearly as much in the M5
Believe me, in the 335 it's almost laughable!! It's also exacerbated by the lack of a clutch!

Will report back once the Quaife is fitted (23rd feb).
Old 24 January 2008, 06:32 PM
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What tyres are on the back?

Contisports work well, but don't quite top a set of Michelin PS2s for wet traction.

Both non-run flats, of course
Old 24 January 2008, 06:41 PM
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my 535d has the same problem, it's a matter of throttle control!, learn how to drive it man!! lol

dave
Old 24 January 2008, 07:20 PM
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Originally Posted by Shark Man
What tyres are on the back?

Contisports work well, but don't quite top a set of Michelin PS2s for wet traction.

Both non-run flats, of course
Still on the standard run-flats

not for long....
Old 24 January 2008, 07:21 PM
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Originally Posted by davecweed
my 535d has the same problem, it's a matter of throttle control!, learn how to drive it man!! lol

dave


seriously though, an open diff on a high-torque rwd premium car is a joke.
Old 24 January 2008, 08:48 PM
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How will the car cope with an LSD when it already has all those other three letter gismos on it? Will it not confuse the poor car even more?


Of course if you get really fed up you could whip the engine out and let me have it for my track car project. I would be peeeerfect
Old 24 January 2008, 09:32 PM
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What I found funny on my 330 coupe was the corner break control, bit like a sideways ABS, very strange feeling..
Old 25 January 2008, 12:12 AM
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Originally Posted by Gutmann pug
How will the car cope with an LSD when it already has all those other three letter gismos on it? Will it not confuse the poor car even more?


Of course if you get really fed up you could whip the engine out and let me have it for my track car project. I would be peeeerfect
They get switched off about 5 seconds after I start the engine, same as they did in the M5.

And yes, that includes in the wet. In fact, especially in the wet.
Old 25 January 2008, 12:13 AM
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PS No you can't
Old 25 January 2008, 12:07 PM
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So every time you drive off you turn off all the electronic intervention ?

Im way to much of a wuss to do that !


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