BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      03-25-2008, 09:39 PM   #1
Darkkilla
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135i Limited slip included??

idk where this is supposed to be posted but apparently the 135i is equiped with limited slip diferential as stated in 5th gears review

he says it right at 6:06 when they are drifting is this true?

also found this:
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      03-25-2008, 10:04 PM   #2
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"
Showing the capabilities of the electronic limited slip differential of the 135i coupé

"
nope....
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      03-25-2008, 10:06 PM   #3
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Quote:
Originally Posted by McLuVan View Post
"
Showing the capabilities of the electronic limited slip differential of the 135i coupé

"
nope....
but i dont really know the diference? does the 335i have this?
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      03-26-2008, 12:45 AM   #4
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Quote:
Originally Posted by Darkkilla View Post
but i dont really know the diference? does the 335i have this?
They have a faux limited slip, it uses the brakes via electronics to imitate what a mechanical LSD does. It works decent but is still no substitute and is really only needed if you track the car. Other than that for street driving or should I say stuff you shouldn't be doing on the street anyways the electronic LSD in the 335i and 135i and the rest of the BMW none M line up is more than adequate.
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      03-26-2008, 12:47 AM   #5
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+1 with both of the above, spot on.
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      03-26-2008, 01:41 AM   #6
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LSD is such basic technology..or so I thought. I just dont understand why BMW doesn't put it in the 335.
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      03-26-2008, 02:10 AM   #7
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Quote:
Originally Posted by AdamJ View Post
LSD is such basic technology..or so I thought. I just dont understand why BMW doesn't put it in the 335.
Because you can pay a guy once to write the software and then use it in all your cars.

If you want a physical LSD you have to pay for each and every gear and cog that goes into each car.
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      03-26-2008, 08:54 PM   #8
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they should do what they did back in the day if you want LSD it was listed as an option. They would definitly get buyers.
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      03-27-2008, 12:27 AM   #9
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I thought the 135i had a better 'tweaked' dsc that was better than the 335...
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      03-27-2008, 07:51 PM   #10
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is the Electronic LSD new for 2008? or do 2007's have them as well?
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      03-28-2008, 08:40 AM   #11
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The 135 LSD may make it to the 335, but it hasn't gotten there yet.

"According to some very well placed sources, electronic differential and specialized DSC currently found in the 135i will eventually make it’s way to a special performance variant of the 335i expect in the next few years. Look for the 335i to follow along the tradition of the 330i Performance Package that was offered over the last several model years of the E46’s model life-cycle (US only) complete with many of the components found in the newly released “BMW Performance” catalogue."
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      02-03-2012, 01:49 PM   #12
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Quote:
Originally Posted by Darkkilla View Post
idk where this is supposed to be posted but apparently the 135i is equiped with limited slip diferential as stated in 5th gears review

he says it right at 6:06 when they are drifting is this true?

also found this:

Hi,
did you ever find out if the 135i has a LSD?
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      02-03-2012, 01:59 PM   #13
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Neither the 135i or 335i have a true LSD. They will both vaporize the inside tire at will. Absurd.
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      02-03-2012, 02:21 PM   #14
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Quote:
Originally Posted by ktkilroy View Post
Hi,
did you ever find out if the 135i has a LSD?
Ignore the rest of the thread much?
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      02-03-2012, 02:23 PM   #15
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Quote:
Originally Posted by Mr. Clarkson View Post
Ignore the rest of the thread much?
Ha, I should have gone this route.
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      02-03-2012, 02:35 PM   #16
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Quote:
Originally Posted by ktkilroy View Post
Hi,
did you ever find out if the 135i has a LSD?
IF you want an LSD in a factory BMW... you have to buy a //M model.

Still think your 135i/335i... has a LSD... all one needs to do is jack up the rear wheels off the ground and spin the rear tires by hand(while the car hangs up in the air)...

Both wheels spin the same direction = LSD
one wheel spins forward while the opposite side wheel spins in the other direction = open diff, no LSD.
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      02-03-2012, 02:40 PM   #17
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There are, of course, after market options to add a LSD to a 135i. It will help on the track but also on low traction conditions. Like trying to drive on snow and ice. It isn't cheap or easy to add on a bimmer, however.

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      02-03-2012, 02:44 PM   #18
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How much?
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      02-03-2012, 03:18 PM   #19
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How much?
About $3k for a Quailfe without labor.
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      02-03-2012, 03:37 PM   #20
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$3k? Wow hum....i do like driving in the snow....I do like LSD.....have driven RWD cars with LSD and have liked it....but not worth it since I don't plan on racing this car.
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      02-04-2012, 07:43 PM   #21
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Is a proper LSD needed for the street? No, then again a BMW isn't needed for the street either. The management at BMW knows that most of their customers couldn't tell the difference between the Mac Pherson strut and the Turkey trot. So, we are left without a proper double wishbone front suspension and without a real LSD. Good corporate financial decision? Yes. But, if Mazda can put both in a $25k Miata and make a profit, there is really no excuse for BMW to delete them in their $45k sports sedan. Is the 135i one of the best sports sedans on the market? Yes, it sure is. Is it "The Ultimate Driving Machine"? Only in the minds of the marketing department.
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      02-05-2012, 12:19 PM   #22
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Quote:
Originally Posted by Dackelone View Post
IF you want an LSD in a factory BMW... you have to buy a //M model.

Still think your 135i/335i... has a LSD... all one needs to do is jack up the rear wheels off the ground and spin the rear tires by hand(while the car hangs up in the air)...

Both wheels spin the same direction = LSD
one wheel spins forward while the opposite side wheel spins in the other direction = open diff, no LSD.
This is not always the case. I've tested the tires spinning in the same direction on several cars and it depends on the type of LSD that's used. Several cars with factor or aftermarket LSD's spun in opposite directions on the lift but on the road always put both down.
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