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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      09-03-2013, 08:13 PM   #23
lastMleft
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Quote:
Originally Posted by lowbudgethero View Post
I disagree, steering feel is just as good on the 135i, ratio is quicker and the chassis feels tighter and lighter. Only problem with it is it will understeer and roll at the limit and the electronic limited slip sucks at low speeds. However, this does help with getting on the throttle early without going into an unintended slide. Throttle response of the 135i is way better, just there is that unsatisfying feeling of torque dropping off at high rpm. While the m3 feels down on power comparatively until you rev it.

With the same tires the 135i should be pretty close to the e46 on the track, and while they have different dynamics but should be pretty close in terms of times. Stock for stock 135i is a better road car to take to the track and the m3 is better track to to take on the road. Yet, to say the m3 will chew and spit it out is a gross overstatement.

Add some coilovers and stiffer bushings if that's what bothers you, but I was chasing after many e46 m3s before I decided I liked the 135i better.
+1.
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      09-03-2013, 08:15 PM   #24
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Originally Posted by Zombie1 View Post
My brother has an e46 m3 and to say the 135i handles just as good or better is just not true. An e46 m3 will chew and spit out a 135i on any road course or track day there not even in the same leauge that's an insult to bmw M division to say that. Now straight line perofrmance of course the 135i will dog the e46 but on a Road course its not the same
Ive owned them both and they are both great cars, and even in my book
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      10-22-2013, 09:31 PM   #25
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Job took me about 12 hours to install the M3 bushings on my 135i, and three trips to the hardware store. What a bitch of a job. Now I understnad why the shops wanted $800-$1000 for this.

See my other post here --> http://www.1addicts.com/forums/showp...8&postcount=29

Took the car to the track tonight with the new M3 bushing installed. Nice difference in the curves and especially through the esses, where weight is shifted rapidly from side to side. Floating and vague movement is greatly reduced. The car behaves much better over bumps when taking high speed turns.

On the street, it makes my 135i back end firmer, and more planted.

Overall, this is a great mod, and this DIY is worth the sweating and cursing...
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts

Last edited by dcaron9999; 10-23-2013 at 11:44 AM..
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      10-23-2013, 11:48 AM   #26
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Several E8x owners have solved this rear end dance and bounce by replacing the stock perforated bushings, with solid OEM M3 bushings. Popular mod, and not expensive if you can DIY.

Specific excerpt from an article by Kline: "Bushings also play a major role in suspension dynamics, and Kline says that the 1 Series’ rear subframe bushings—parts it shares with the mass-market 3 Series—are its biggest shortcoming. Kline says they’re too soft and have too much vertical movement for enthusiastic driving. If you put the 128i or 135i on a lift, you can make the rear subframe move an inch using only a pry bar because the bushings are so soft,” says Kline.
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
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