47 19

Bridgestone Potenza RE050A I RFT

What people think:
Dry Performance Treadwear Wet Performance Handling Comfort
What we think:
CoreScore 47:
  • Participation of the tire models in professional tire tests and their test scores.
  • Consumer reviews on the top tire selling websites.
    We gather such data as the numbers of reviews and the ultimate score of the tire model on numerous tire-related websites such as amazon, tirerack, oponeo, simpletire, market.yandex, tyrereviews, and others.
  • Reviews written by the visitors to our website tiresvote.com.

Value, max: 100

Popularity of the model 19:
  • Year of manufacture.
  • The premium brand factor .
  • The number of video reviews of the tire on youtube.com .
  • The number of news items about the model .
  • The number of times the tire was involved in professional tire tests.
  • The fact of the tire being on the bestseller lists on such reputed websites as amazon, tirerack, oponeo, simpletire, and others.
  • The number of tire types and sizes .

Value, max: unlimited
Value, average: 27

Key Facts

  • This model is no longer available or might have limited distribution.
  • Run-flat model
    Original tire model: 🏁 Bridgestone / Potenza RE050 A1
  • Available Sizes in Line: 20
  • Original Equipment (OE) tires for:
    • • BMW 1 Series I LCI (E87/E81/E82/E88) [2007 .. 2012]
    • • BMW 3 Series V (E90/E91/E92/E93) LCI [2008 .. 2013]
    • • BMW Z4 II (E89) [2009 .. 2013]
    • • BMW Z4 II (E89) Facelift [2013 .. 2017]
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Bridgestone Potenza RE050A I RFT


The Potenza RE050A I RFT (Run-Flat Tire) is Bridgestone's Max Performance Summer run-flat tire developed exclusively for selected BMW Z4 vehicles, as well as 3 Series cabriolets, coupes and sedans equipped with BMW's sport package. The Potenza RE050A I RFT is designed to provide temporary extended mobility for a distance of 50 miles at up to 50 mph even after a puncture has allowed complete air pressure loss. The Potenza RE050A I RFT is also designed to combine responsive and predictable handling with good traction on dry and wet roads. It is not intended to be driven in near-freezing temperatures, through snow or on ice.

The Potenza RE050A I RFT features a high-grip tread compound molded into an asymmetric tread design. Stable outboard shoulder elements, intermediate tread blocks and a continuous center rib provide responsive handling, high-speed stability and traction on dry roads, while circumferential and lateral tread grooves pump water out from under the tire's footprint to minimize hydroplaning and aid wet traction. A continuous rib adjacent to the inboard shoulder promotes even wear and resists inside wear generated by suspensions that specify negative camber alignment settings.

Detailed Information

Type and Size
Tire Model
🏁 Bridgestone / Potenza RE050A I RFT
Car Type
Rim Diameter
17 / 18 / 19 / 20 "
205 / 215 / 225 / 245 / 255 / 275 / 285 / 305 mm
Aspect Ratio
30 / 35 / 40 / 45 / 50 %
Special Features
Mud and Snow
Extra Load
Speed and Load
Speed Index
V (max 149 mph) ... Y (max 186 mph)
Load Index (max load for a tire)

🏁 Bridgestone / Potenza RE050A I RFT Sizes & Specifications

Rim Model Size Index Features Tread depth Load range Sidewall styling Tire weight Overall diameter Price
R17 205/45 R17 205/45 R17
R17 205/50 R17 205/50 R17
R17 225/45 R17 225/45 R17
R17 255/40 R17 255/40 R17
R18 215/40 R18 215/40 R18
R18 225/40 R18 225/40 R18
R18 245/35 R18 245/35 R18
R18 245/40 R18 245/40 R18
R18 245/45 R18 245/45 R18
R18 255/35 R18 255/35 R18
R18 275/35 R18 275/35 R18
R18 275/40 R18 275/40 R18
R19 225/35 R19 225/35 R19
R19 245/40 R19 245/40 R19
R19 255/30 R19 255/30 R19
R19 275/35 R19 275/35 R19
R19 285/40 R19 285/40 R19
R20 245/35 R20 245/35 R20
R20 275/30 R20 275/30 R20
R20 305/35 R20 305/35 R20

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