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Michelin-Developed Marked Tires

Michelin believes that close collaboration with vehicle manufacturers is essential when developing high-performance tires. Every vehicle has unique characteristics that influence how a tire should perform, including weight distribution, power output, chassis design, and suspension tuning.

Michelin-developed marked tires are engineered to match these vehicle-specific requirements. Designed and approved jointly by Michelin and the automaker, these tires are tuned to help ensure the tire performs as intended on the vehicle for which it was developed.

Why Does Michelin Develop Marked Tires?

Every vehicle is designed with specific performance targets for handling, ride comfort, noise, and efficiency. Because tires are the only point of contact between the vehicle and the road, manufacturers often require tires that are optimized for their models.

Michelin engineers work closely with automakers such as Mercedes-AMG, Porsche, Tesla, and BMW throughout the tire development process. This collaboration includes design selection, testing, validation, and fine-tuning to ensure the tire meets the manufacturer’s performance objectives. Once approved, the tire receives a manufacturer-specific marking on the sidewall, indicating it was developed for that vehicle.

These markings are part of standardized tire markings that help identify a tire’s intended application and compatibility.

What Are OE (Original Equipment) Tires?

OE (Original Equipment) tires are the tires installed on a vehicle when it leaves the factory. These tires are selected and approved by the vehicle manufacturer and meet all regulatory requirements, as well as the manufacturer’s internal performance standards.

OE tires may feature specific markings that indicate they were developed for a particular brand or vehicle model.

What Does a Michelin-Developed Marking Mean?

A Michelin-developed marking indicates that a tire was designed and approved for a specific vehicle manufacturer or model. Examples include N-marked Michelin tires for Porsche, K-marked Michelin tires for Ferrari, and T-marked Michelin tires for Tesla.

These markings confirm that the tire meets the vehicle manufacturer’s requirements based on joint development, testing, and validation.

To help maintain the vehicle’s intended performance characteristics, Michelin recommends replacing tires with the same approved marking originally specified for the vehicle whenever possible.

Type-Approved, Marked, and OE Tires: What’s the Difference?

All tires sold must comply with regulatory requirements in the region where they are marketed. Regulatory approval and manufacturer approval are not the same.

  • Type-approved tires meet regional regulatory standards

  • Manufacturer-approved (marked) tires are developed and validated for a specific vehicle or model

  • OE tires are manufacturer-approved tires fitted at the factory


Manufacturer approval is not legally required, but it reflects additional development and testing performed to match the tire to the vehicle’s performance targets.

How to Identify Manufacturer Markings on a Tire

Manufacturer markings appear on the tire sidewall as letters, symbols, or codes. These markings identify the vehicle brand, and sometimes the specific model, for which the tire was developed.

A reference table of common OE markings by manufacturer can help identify the correct specification.

OE MARKING TABLE

ManufacturerOriginal Equipment Marking
ALFA ROMEOAR.
ALPINE^A^
ASTON MARTINAML
AUDIAO - AO1 - AO2 - AOE
AUDI QUATTRORO1
BMW
BMW M
BUGATTIBG
CADILLACTPC
CHEVROLETTPC
CORVETTETPC
FERRARIK1 - K2 - K3
FORD PERFORMANCEFP
GENESISGOE
GMCTPC
HONDAHO
HYUNDAIHN
JAGUARJ - JLR
LAND ROVERLR - JLR
LOTUSLTS
LUCIDLM - LM1
MASERATIMGT
MERCEDES AMGMO1 - MO2 - MO1-A
MERCEDES BENZMO - MOE - MO-S - MO-V - MO-W
MINI
NIOI
POLESTARPOL
PONTIACTPC
PORSCHENx NAx - NBx - NCx - NDx - NEx - NFx
RENAULTR
TESLAT0 - T1 - T2
VOLVOVOL

Why Replacing Marked Tires Matters

Marked tires are engineered to meet specific requirements for handling, ride comfort, noise levels, rolling resistance, and in some cases, vehicle software integration. Replacing them with a non-approved version may alter how the vehicle performs or feels.

When replacing tires, it is important to follow the manufacturer-approved specification, including load and speed ratings, to help ensure proper compatibility.

For this reason, Michelin recommends replacing OE-marked tires with tires carrying the same approved marking whenever applicable.

Why Automakers Choose Michelin Tires

Automakers around the world rely on Michelin-developed marked tires to achieve demanding performance goals.

MICHELIN Pilot Sport Cup 2 tires developed specifically for the Bugatti Chiron helped the vehicle reach 304.773 mph.
The Porsche Panamera achieved a Nürburgring Nordschleife lap record on MICHELIN Pilot Sport Cup 2 ND0 tires.

The Mercedes-AMG GT Black Series set a lap record using MICHELIN Pilot Sport Cup 2 R MO1A tires.

These examples highlight the importance of tires that are precisely engineered for the vehicle.

Looking Ahead

Michelin continues to collaborate with vehicle manufacturers on future mobility solutions, including innovative concepts such as Uptis, an airless tire concept developed in partnership with General Motors.

Where Can I Buy Manufacturer-Marked Tires?

Manufacturer-approved tires are available through authorized Michelin dealers and specialty tire retailers.

A Michelin professional can help you select the appropriate marked tire based on your vehicle model, driving needs, and manufacturer specifications.

FAQ

Michelin OE Markings and Manufacturer-Specific Tires

A Michelin-developed marked tire is designed and approved for a specific vehicle manufacturer or model. The sidewall marking indicates it meets performance requirements defined jointly by Michelin and the automaker.

Marked tires may be OE tires if they are installed on the vehicle at the factory. OE tires are approved by the vehicle manufacturer and may include a marking indicating they were developed for that model.

Manufacturer markings appear on the tire sidewall as letters, symbols, or codes such as N, AO, MO, or T. These identify the vehicle brand, and sometimes the specific model, for which the tire was developed.

Michelin recommends replacing marked tires with the same approved marking whenever possible to help maintain the vehicle’s intended performance, comfort, and handling characteristics.

No. All tires must meet regional regulatory requirements, but manufacturer-approved markings are not mandatory. They indicate additional development and validation tailored to a specific vehicle.

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