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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      12-26-2007, 07:51 PM   #1
TunedM2C
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Aftermarket wheel guys: What size are you going, 18 or 19?

Still undecided about which wheel to go with for my silver 135i but I have narrowed it down to three:




I'm most likely going 19 but I'm eagerly waiting for a UK'er or tuner to throw some 19's on this car to gauge the overall look. If it looks out of proportion, 18's it is.

For those of you going aftermarket, what size are you thinking?
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      12-26-2007, 11:33 PM   #2
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I think im going 18 with those OZs in your post.
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      12-27-2007, 01:40 AM   #3
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I think I like your second choice.
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      12-27-2007, 02:05 AM   #4
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19's seem like the way to go.
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      12-27-2007, 11:29 AM   #5
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Will 18x8.5 fit in the front? I would like to get rid of the understeer if possible.
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      12-27-2007, 11:38 AM   #6
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19 inch LM's for the win !!!
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      12-27-2007, 12:29 PM   #7
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Since I spent 3 days polishing, maybe Ill just mount these :biggrin:
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      12-27-2007, 12:36 PM   #8
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No Fikse - No Care.
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      01-07-2008, 02:18 PM   #9
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Bottom O.Z.'s in 19's

No question.
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      01-07-2008, 02:42 PM   #10
TunedM2C
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They seem to really look good in that picture but when I googled the wheel and saw it on other cars, it didn't do much for me.
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      01-07-2008, 03:00 PM   #11
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Quote:
Originally Posted by Papethova View Post
Since I spent 3 days polishing, maybe Ill just mount these :biggrin:
Good luck with that bolt pattern :biggrin:
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      01-07-2008, 05:15 PM   #12
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99% sure it'll be 18 inch wheels.

I keep thinking about the BBS RS-R. I would also like to see a similar style without a lip though.
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      01-07-2008, 06:17 PM   #13
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18"s for my track wheels and street too likely. Just like the E46 M3, I bet the car rides better and turns quicker laps on 18"s.
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      01-09-2008, 06:17 AM   #14
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Quote:
Originally Posted by asv View Post
Will 18x8.5 fit in the front? I would like to get rid of the understeer if possible.
Pardon my ignorance, but bigger wheels would reduce understeer? Doesn't the 135 with the sport package already have 18 inchers? Or is width the issue?
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      01-09-2008, 06:43 AM   #15
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Quote:
Originally Posted by sethchan View Post
Pardon my ignorance, but bigger wheels would reduce understeer? Doesn't the 135 with the sport package already have 18 inchers? Or is width the issue?

width is the issue



I'm probably going with 17 or 18. I'm not brave enough to put 19 on my care around here.
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      01-09-2008, 08:08 AM   #16
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Quote:
Originally Posted by BMWeber View Post
width is the issue



I'm probably going with 17 or 18. I'm not brave enough to put 19 on my care around here.
^True and,,,

More specifically reducing or eliminating the staggered widths back to front is one way to reduce or eliminate the understeer dialed in at the factory.

Most car manufacturers set their car up to understeer which in their estimation is a safe thing to do. Many may argue that it is not "safer" for a car to understeer (plow) at its limits, which may be true for an experienced driver that is used to their car and skilled at controlling the ass end in a turn, but...It is indeed safer for the average driver for a slight understeer to be present in the car's linear range but not necessarily at it's limit. In other words there are different circumstances that can cause a car to understeer or oversteer (ass steps out) based on at what speed and line is being taken into a corner. Most folks don't track their car so...you do the math.

Unless you are an experienced driver and IMO you are also used to rear wheel drive cars with loads of power; its best to make changes to you car's handling very carefully and incrementally.

The last thing you need to happen is to be in a emergency situation and have the car rotate unexpectedly! Or even while just driving spiritedly have your rear end step out and then not have the skill set to deal with that.

You know what they say "tighten the nut behind the wheel" first, then start messing with your car. I think anyone inexperience with cars should certainly drive this new one and get used to it's handling before making any bold decisions (costly) about eliminating stagger, etc.

For you experienced drivers out there, ignore that entire post. It seems like we are getting novice questions so I thought it would be best to put some simplified details out there about the affect of wheel width choices, etc. on your car.
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      01-09-2008, 10:44 AM   #17
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19" BBS for show.. cant go wrong with that.. if you have the money that is a must... =) to bad I dont have the money for those rims..
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      01-09-2008, 01:17 PM   #18
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I'd probably stick with 18". The 19" tires will cost more and have a rougher ride over bad roads. Also I would worry about the increased chance of damage to the 19" rims because of the reduced sidewall height versus the 18".
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      01-09-2008, 03:30 PM   #19
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Quote:
Originally Posted by Tuned1 View Post

I'm most likely going 19 but I'm eagerly waiting for a UK'er or tuner to throw some 19's on this car to gauge the overall look. If it looks out of proportion, 18's it is.

For those of you going aftermarket, what size are you thinking?
E87 from the UK
  • Hartge Classic 2 wheels 19" front 8J offset 40 rear 9J offset 46
  • Continental SportContact 3 tyres 225/35 & 255/30 non-runflat (and much improved ride as a result over the 208M 18's).
The profile of tyres is not a problem at all with ride quality which is way better than OEM. Bad potholes must however be avoided at all costs, and the rim is in constant danger of being kerbed! I don't think they look too big and they have certainly improved the drive.

Also;
  • Hartge -25mm springs
  • M Sport Dampers
  • Hartge 25mm ARB's (sway bars)
  • Rolled-in rear wheel arch lip
  • AP Racing 356mm x 32mm 6 pot front brakes (not pictured, don't go under the 18's.


More pics linked in my sig.

BTW I love LM's!
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      01-09-2008, 09:03 PM   #20
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/\ Very nice. Can you comment on the springs and sways and how they've improved performance?
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      01-10-2008, 03:20 AM   #21
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Quote:
Originally Posted by Tuned1 View Post
/\ Very nice. Can you comment on the springs and sways and how they've improved performance?
Thanks.

The springs don't make a perceptible difference in the overall package, which I suppose is good as they are not a negative mod. They allow the car to sit at the right height with the larger rims so it doesn't look like an X5.

The OE sway bars are way too soft (10mm on 130i I don't know what the 135i will have) and the Hartge 25mm springs allow the car to cormer a lot flatter without making it intrusively stiff, i.e. the wheels still have compliance and remain in contact with the road.

Losing the runflat tyres makes a massive contribution, immediately noticeable to myself and passengers. No great surprise when the tyre wall is up to 1/3rd of the thickness. Ride quality is much improved, and is less choppy, so the car doesn't break traction half as much, saving LSD input (and DSC).
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      01-10-2008, 09:40 AM   #22
TunedM2C
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Thanks, this is what I expected.
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