10-15-2017, 06:21 PM | #1 |
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Does the 2014 228i handle poorly?
Earlier today I took an on-ramp at a fairly high speed and the back end felt really light, almost like I was going to lose control of the car.
I did some research, and I found that all car reviewers have tested the 2014 228i on the skid pad anywhere from 0.86-0.88g. Other cars in the same sector push it to over 0.90g. Is this because they tested it with the Bridgestone Potenza S001 run-flats? I?m upgrading to Michelin PSS?s soon, so will this significantly improve the handling? |
10-15-2017, 06:50 PM | #2 |
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Yes that will significantly improve the handling of your 228i. I made the swap to BFG Sport Comp 2's and it made a ton of difference. The RF's are crap.
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10-16-2017, 10:04 AM | #3 |
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Yes, tires will make a dramatic difference. I also found that swapping out the lower control arms for the M2 variety is a great upgrade! Turner Motorsports has the kit needed.
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10-16-2017, 10:45 AM | #4 |
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jy228i This is odd considering the base 230i was tested at 0.96g by C/D -- which reported the 0.86g figure on a base 2014 model and has not changed its testing parameters since the 1970s -- and there were no appreciable suspension changes between the 228i and the 230i base models.
Another oddity: OP, your sig states that you have an M Sport model, which came with an upgraded suspension over the base model, even in 2014: 10mm lower ride height, slightly stiffer spring rates, 1-inch larger diameter wheels, and (IIRC) beefier anti-roll bars. I guarantee that your particular car is generating more than 0.86g of grip. Finally: what constitutes "other cars in the same sector"? The Scion FR-S and Mustang V6 that Road & Track tested the 228i against? The Mustang, maybe ... the Scion, no: Not quite the same kind of car. The Audi A3 Quattro and the M-B CLA that C/D tested the 228i against? Those are both four-door sedans, and the Audi was AWD, which will increase its skidpad speed (as evidenced by the xDrive base 228i C/D tested the following year, which generated 0.87g). Not the same kind of car. Digging into these reviews reveals that all 228i models you refer to (C/D, R&T, Edmunds.com) were wearing all-season tires, which come standard on the base models. Your M Sport will not have those unless the previous owner put them on the car. As someone who switched from Max Summer RFTs to all-seasons on his 2015 228i M Sport and noted a slight decrease in ultimate grip, I can attest to this firsthand.
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10-16-2017, 05:40 PM | #5 | |
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10-16-2017, 06:18 PM | #6 | |
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10-17-2017, 09:02 AM | #7 | |
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Don't take everything you read at face value. Dig deeper, and question. That's how you learn.
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--Helmets are for closers.-- <<Current: "Blackened" '18 NBM Porsche 718 Cayman ... Gone (but not forgotten): "Blackened" MG '15 228i M Sport w/aFe filter/scoop, Hertz drivers, P3Cars multigauge, other goodies>> |
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10-17-2017, 10:35 AM | #8 |
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I had been running the Michelin PSS now using the A/S version, so I googled about the Bridgestone S001 runflats and the Bridgestone certainly does not appear to be a trash tire.
For the original posters experience of the rear getting light at high speed, think about this - the sensation of getting light is a good indicator your reaching the limit. If the tire didn't give you a sensation of getting light and you had no warning you we're losing traction, then a sudden loss of traction is the worst kind of tire trait. Also, how many better cars are there then the 240 plus horsepower 228? From what I gather reading global car reviews it's one of the best chassis design's on the market. Should you upgrade to Comp T/A or Michelin PSS which is being phased out? Maybe, but the 228 with any tire is a pretty dialed in car from what all the articles I read say. |
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10-17-2017, 10:49 AM | #9 |
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Question: how many miles do the tires have on them? How much tread do they have left? Any car will fail under these circumstances if the tires are bald enough.
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10-17-2017, 11:13 AM | #10 |
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I've had no complaints with the Bridgestones. The only time I've felt light is because of the road surface, not the tire. There is one spot I drive that I can consistently and smoothly get the the back end to slide out when turning. But not anywhere else I drive.
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10-18-2017, 07:30 AM | #11 |
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10-18-2017, 05:16 PM | #12 |
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Measure the tread depth. That is the simplest way to know if they are OK.
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10-18-2017, 10:54 PM | #13 |
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Are your tire pressures correct?
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10-19-2017, 06:42 AM | #14 | |
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Tread depth
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The other thing to keep in mind is testing and real world numbers. I have had my 228i on the handling track at NCAR and VIR for track days. The stock MPSS tires felt great but I was hard pressed to get more than .7 Gs recorded on BMW's MTimer App. I have seen others post higher Gs so it may be my driving style but high 8's and '9s on Public roads seem hard to achieve. If you are there then I hope there aren't any bicycles or pedestrians on the road..... |
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