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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      Today, 02:56 PM   #45
asiflicious's Avatar

Drives: 2010 6AT 135i
Join Date: Aug 2017
Location: Portland, OR

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Originally Posted by duder13 View Post
Originally Posted by asiflicious View Post
I got the M Factory helical for my 135i. It is an improvement but definitely not a night and day improvement. It will make hooning around a lot more enjoyable but as far as actual grip and performance, the stock e-diff worked just as well. I don't notice much of a difference with the LSD. Maybe I need to drive a stock diff 135i and my car back to back to really notice it
Interesting. I've been thinking about adding an LSD in the coming year, but I've been waffling on it a little. Neither my 911 nor Cayman had a mechanical LSD, and no current McLaren cars come with one, so there is some precedent for having an electronic LSD in fast cars.
It's definitely an upgrade worth getting, but I'd recommend doing coilovers, m3 control arms, and proper tires before spending big money on an LSD that may or may not be worth the investment to you.
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135i, diff, differential, e82, limited, lsd, slip

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