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E82 / E88 1 Series (2008 - 2013)
BMWs throw back to the iconic 2002, with a renewed form and function. The smallest car in BMW's line up but still packs a punch. Available in coupe or convertible, powered by either an inline 6 in the 128 or the twin turbo rocket sled 135.

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  #1  
Old 10-02-2010, 10:09 PM
Peregrinus Peregrinus is offline
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128i v. 328i question

So I'm all of 3 days into my new 128i coming from a 2007 328i. Both are similarly equipped with sports package etc. The major difference is that the 328i was AT and the 128i is MT

I have noticed that besides some improvement in ride handling and performance in the 128i MT is that the ride quality is a bit better. The 328i was great, really great handling car, but it was stiff to the point of being pretty uncomfortable on some of the roads around here.

I've noticed the 128i is a bit softer, more compliant over bumps. I still feel the road intensely, but every little bump isn't a jarring experience. At first i was wondering if they screwed up my order and forgot the sports suspension - but it's there.

Is this attributable to:

1. differently tuned suspension,
2. better (new generation) of runflats - don't know if technology has improved these or not over last three years.
3. The smaller footprint of the car (not sure how this would impact ride quality), or
4. Something else.

Thoughts?
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  #2  
Old 10-03-2010, 01:31 PM
jzwu jzwu is offline
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Do the 128 and 328 have the same diameter wheels/tires? 17" wheel? Tire profile? That alone makes a big difference.
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  #3  
Old 10-03-2010, 01:40 PM
Tom K. Tom K. is offline
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Quote:
Originally Posted by jzwu View Post
Do the 128 and 328 have the same diameter wheels/tires? 17" wheel? Tire profile? That alone makes a big difference.
Also, my '08 ZSP 128i came with OEM summer touring tires, not the performance (probably RE 050 or PS2) RFTs on your 328i.

My '07 328i wagon has a softer ride than my 128i 'vert - but the wagon has 16" wheels, A/S tires, no sport suspension and a longer wheelbase.

Tom
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  #4  
Old 10-03-2010, 05:18 PM
Peregrinus Peregrinus is offline
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Quote:
Originally Posted by jzwu View Post
Do the 128 and 328 have the same diameter wheels/tires? 17" wheel? Tire profile? That alone makes a big difference.
Both come with 17" light alloy wheels
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  #5  
Old 10-03-2010, 06:03 PM
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AzNMpower32 AzNMpower32 is offline
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What brand/model of tires do the 128i sport come with?

The Bridgestone RFTs that come with the 3er sport package are rubbish. They're generally unforgiving, tramline, and make a lot of road noise as they wear out. I would suspect the Pirelli RFTs are better.

It's probably good to note that the standard RFT in Europe is the Pirelli Euphori@ and there have been relatively few complaints about those.
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  #6  
Old 10-03-2010, 08:47 PM
Tom K. Tom K. is offline
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Originally Posted by AzNMpower32 View Post
What brand/model of tires do the 128i sport come with?

The Bridgestone RFTs that come with the 3er sport package are rubbish. They're generally unforgiving, tramline, and make a lot of road noise as they wear out. I would suspect the Pirelli RFTs are better.

It's probably good to note that the standard RFT in Europe is the Pirelli Euphori@ and there have been relatively few complaints about those.
The OEM RFT RE 050s on my Z4 weren't too bad. Rough ride, but great grip & handling.

According to Tire Rack, the ZSP 128i comes with Pirelli PZero, Eufori, or Goodyear NCT5 runflats on staggered 17".

Mine had the Goodyears which are summer touring tires featuring a compliant ride with decent, but not really exciting handling. They are, however, quite expensive so I replaced mine when worn with 4 Conti DWS.

Tom
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  #7  
Old 10-04-2010, 10:00 AM
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mgthompson mgthompson is offline
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My M-Sport 128i came with Pirelli PZeros. They work well, but are a little harsh on bumps. That is probably due to being a RFT, not the particular tire design.
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  #8  
Old 10-04-2010, 05:42 PM
Peregrinus Peregrinus is offline
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Quote:
Originally Posted by Tom K. View Post
The OEM RFT RE 050s on my Z4 weren't too bad. Rough ride, but great grip & handling.

According to Tire Rack, the ZSP 128i comes with Pirelli PZero, Eufori, or Goodyear NCT5 runflats on staggered 17".

Mine had the Goodyears which are summer touring tires featuring a compliant ride with decent, but not really exciting handling. They are, however, quite expensive so I replaced mine when worn with 4 Conti DWS.

Tom
OK - maybe it's the tires - mine are the Goodyears
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  #9  
Old 10-07-2010, 03:17 AM
pony_trekker pony_trekker is offline
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There are some posts out there that indicate that the shocks were changed for the 3 series 2010 or 2011 (I can't remember) to make the ride over bumps less tooth-jarring.
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  #10  
Old 10-08-2010, 08:59 PM
ProRail ProRail is offline
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Quote:
Originally Posted by Peregrinus View Post
So I'm all of 3 days into my new 128i coming from a 2007 328i. Both are similarly equipped with sports package etc. The major difference is that the 328i was AT and the 128i is MT

I have noticed that besides some improvement in ride handling and performance in the 128i MT is that the ride quality is a bit better. The 328i was great, really great handling car, but it was stiff to the point of being pretty uncomfortable on some of the roads around here.

I've noticed the 128i is a bit softer, more compliant over bumps. I still feel the road intensely, but every little bump isn't a jarring experience. At first i was wondering if they screwed up my order and forgot the sports suspension - but it's there.

Is this attributable to:

1. differently tuned suspension,
2. better (new generation) of runflats - don't know if technology has improved these or not over last three years.
3. The smaller footprint of the car (not sure how this would impact ride quality), or
4. Something else.

Thoughts?
Probably.
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