The first road tyre to feature Bridgestone’s ologic technologically, combining a large tyre diameter with a narrow tread pattern to reduce friction and resistance.

The EP500 also features Bridgestone’s Ecopia fuel saving technology to reduce energy consumption on the road, while maintaining traction.

  • Lowers friction and deflection through use of ologic technology.
  • Conserves energy and saves fuel by reducing rolling resistance through Ecopia technology.
  • Large diameter with narrow tread pattern.
  • Long contact patch improves grip.
  • Original equipment to the BMW i3.

Detailed Information

Type and Size
Tire Model
Bridgestone Ecopia EP500
Car Type
Rim Diameter
19 / 20 "
155 / 175 / 195 mm
Aspect Ratio
50 / 55 / 60 / 70 %
Special Features
Mud and Snow
Extra Load
Speed and Load
Speed Index
Q (max 100 mph) ... T (max 118 mph)
Load Index (max load for a tire)

Bridgestone Ecopia EP500 Sizes & Specifications

Rim Model Size Index Features load range sidewall styling overall diameter tire weight tread depth
R19 155/70 R19 84Q 155/70 R19 84Q
R19 175/60 R19 86Q 175/60 R19 86Q
R20 155/60 R20 80Q 155/60 R20 80Q
R20 175/55 R20 85Q 175/55 R20 85Q
R20 175/55 R20 89Q 175/55 R20 89Q
R20 175/55 R20 89T 175/55 R20 89T
R20 195/50 R20 93T 195/50 R20 93T

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Questions and Answers

  • Jul 01, 2014

    Ecopia EP500 & BMW i

    When the BMW i concept was introduced to Bridgestone, it was immediately clear that it would require a unique tyre design to deliver the expected performance targets. Reducing your carbon footprint no longer means having to compromise on safety, comfort or handling. ECOPIA combines low rolling resistance with outstanding wet-weather safety and performance.