Car TyresJK Tyre

UX Royale

Recommended: JK Tyre UX Royale. High-comfort radial with multi-pitch sequence and stable casing structure. Fully compatible with BMW 3 Series (225/45 R18).

FITMENT SUMMARYBMW 3 Series

AVAILABLE SIZES

165/80 R14 185/65 R15 195/55 R16 +52 more

View full specifications

TECH SPECS & MANUFACTURING TOLERANCES

Detailed Parameters

Precision factory engineering parameters, carcass ply architecture, and certified load-speed performance ratings.

Geometry & Dimension Telemetry

FORM FACTOR: 225/45 R18 • 95Y

Rolling Diameter

659.7 mm

Circumf: 2073 mm

Revolutions / KM

~483

Odometer Calibration

MAX LOAD SPECIFICATION

Load Index Rating

95(690 kg / tyre)

Total 4-wheel gross load tolerance of 2,760 kg. Provides structural headroom for passengers and cargo.

CERTIFIED LOAD RESERVE690 KG SPEC

HIGH-SPEED CERTIFICATION

Speed Rating Symbol

Y(300 km/h)

Supercar & Track Grade Spec. Certified for sustained high-speed expressway travel without centrifugal belt delamination or carcass heat fatigue.

CERTIFIED VELOCITY300 km/h

CARCASS ARCHITECTURE

Radial (Tubeless Build)

Tubeless Radial

Radial steel belted with dual nylon overlays and reinforced rim cushion

PLY: 6-PLY RATEDSTEEL BELTED RADIAL

OEM PRESSURE SPECIFICATION

Factory Cold Inflation Pressure

32 PSI / 30 PSI(Front / Rear)

Calibrated OEM cold tyre pressure for BMW 3 Series. For full passenger/luggage payload, increase rear tyre to 33 PSI.

NITROGEN COMPATIBLE99.2% N₂ OPTIMAL

RUBBER FORMULATION

Tread Compound & Depth

7.8 mm(New Factory Tread)

JK Tyre Advanced Multi-Polymer Matrix with Variable Groove Siping. Built with integrated Tread Wear Indicators (TWI) calibrated at the 1.6mm legal limit.

UTQG WEAR INDEX: 420 A BTROPICALIZED

DEALER PROTECTION

Warranty & Genuine Origin

5 Years Manufacturer Warranty

100% Genuine authorized Amman Tyres stock. Certified with BIS / ISI Indian safety marks, manufactured at JK Tyre Vikrant (Mysore, Karnataka) / Kankroli (Rajasthan) Plants.

ORIGIN: IndiaAUTHORIZED HUB

INNOVATIVE TECH

Tyre Engineering Features

✔

Aero-wing design for low air resistance

Smooth absorption of speed bumps

✔

Flexible sidewalls absorb road shock

Good tread life and fuel economy

✔

Wide center groove for water evacuation

Budget-friendly replacement option

BENCHMARK STANDARDS

3 Reasons to Choose

High-speed highway travel and everyday city use for BMW 3 Series.

Recommended: JK Tyre UX Royale. High-comfort radial with multi-pitch sequence and stable casing structure. Fully compatible with BMW 3 Series (225/45 R18).

PERFORMANCE CHARACTERISTICS & PROVING GROUND LABS

Tyre Test Metrics

Empirical proving-ground telemetry covering ISO wet braking distance, acoustic cabin decibels, high-mileage compound longevity, and lateral road adhesion.

Laboratory & Proving Ground Test Suite • JK Tyre UX Royale

WET BRAKING (80-0 KM/H)GRADE B+

30.5METERS

Stops 2m shorter than standard commuter baseline under monsoon downpour conditions.

DECELERATION SAFETY INDEX76% SCORE

ROLLING RESISTANCE (RRC)ARAI GRADE B

+4.2%FUEL SAVINGS

Rolling resistance of 8.1 kg/t. JK Tyre Advanced Multi-Polymer Matrix with Variable Groove Siping minimizes heat drag during highway cruising.

FUEL CONSERVATION BOOST+4.2% REAL-WORLD

PROJECTED TREAD LIFETOURING LIFE

70,000KM LIFE

5-rib asymmetric touring radial designed for effortless stability and plush ride comfort.

UTQG TREADWEAR INDEX420 A B

ACOUSTIC CABIN NOISECOMFORT GRADE

70.4dB PASS-BY

Aero-wing groove design dampens air pumping vibrations.

CABIN SILENCE RATINGCERTIFIED (SUB-72dB)

DRY SLALOM & CORNERINGLATERAL STABLE

0.84PEAK G-FORCE

Stiff outer tread ribs resist lateral flex under load.

LATERAL ROAD ADHESION84% G-LIMIT

HYDROPLANING CLEARANCE3D WATER SIPES

86KM/H THRESHOLD

Evacuates up to 28 liters of water per second through 4 continuous circumferential grooves expel rainwater quickly.

WATER CLEARANCE THRESHOLD86 KM/H SAFE

OFFICIAL FITMENT SPECIFICATIONS

Supported Dimensions

Verified OEM vehicle fitments, factory inflation pressures, and axle load ratings calibrated for daily driving safety.

Compatible Vehicle & Trims	Required Tyre Size	Load / Speed Index	Factory Cold Pressure (PSI)	OEM Verification
BMW 3 SeriesTrims: 330i M SportModel Years: 2019 - 2024	225/45 R18	95Y(690 kg / 300 km/h)	32 PSI (Front) / 30 PSI (Rear)All Axles: Front / Rear (32 PSI Front / 30 PSI Rear)	OEM VERIFIED