BMW 318i Tyre Size Guide
Wheel Specs, PCD, Centre Bore & Torque Settings
The BMW 318i is one of the most popular models in the 3 Series range, known for:
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Comfort and daily usability
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Efficient performance
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Premium driving experience
Across different generations, tyre selection plays a major role in:
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Ride comfort
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Road noise
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Fuel efficiency
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Handling and safety
Autosport Tyreworld specialises in BMW tyre fitment, runflat replacement and premium tyre upgrades.
BMW 318i Wheel Specifications
E90 / E91 / E92 (2005–2013)
| Specification | Value |
|---|---|
| Bolt Pattern (PCD) | 5x120 |
| Centre Bore | 72.6 mm |
| Wheel Bolt Size | M14 x 1.25 |
| Wheel Torque | 120 Nm |
F30 (2012–2019)
| Specification | Value |
|---|---|
| Bolt Pattern (PCD) | 5x120 |
| Centre Bore | 72.6 mm |
| Wheel Bolt Size | M14 x 1.25 |
| Wheel Torque | 140 Nm |
G20 (2019–Present)
| Specification | Value |
|---|---|
| Bolt Pattern (PCD) | 5x112 |
| Centre Bore | 66.6 mm |
| Wheel Bolt Size | M14 x 1.25 |
| Wheel Torque | 140 Nm |
Important: Newer models use 5x112 platform, not interchangeable with older BMW wheels.
BMW 318i Factory Tyre Sizes
E90 Generation
| Tyre Size | Rim Size |
|---|---|
| 205/55R16 | 16x7 |
| 225/45R17 | 17x8 |
F30 Generation
| Tyre Size | Rim Size |
|---|---|
| 205/60R16 | 16x7 |
| 225/50R17 | 17x7.5 |
| 225/45R18 | 18x8 |
Optional staggered setup:
Front: 225/45R18
Rear: 255/40R18
G20 Generation
| Tyre Size | Rim Size |
|---|---|
| 225/50R17 | 17x7.5 |
| 225/45R18 | 18x8 |
| 225/40R19 | 19x8 |
Runflat vs Non-Runflat Tyres
Many BMW 318i models come with runflat tyres.
Runflat tyres:
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Drive after puncture
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No spare wheel
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Firmer ride
Non-runflat tyres:
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Better comfort
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Lower noise
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Improved grip
Autosport Tyreworld can assist with safe runflat conversions.
Popular Tyre Upgrade Options
| Tyre Size | Notes |
|---|---|
| 225/45R17 | Most common |
| 235/40R18 | Sport upgrade |
| 245/35R18 | Performance |
| 255/35R19 | Aggressive |
Before upgrading:
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Maintain rolling diameter
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Check clearance
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Consider comfort vs performance
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Ensure correct load rating
Recommended Tyres for BMW 318i
Comfort & Daily Driving
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Continental UltraContact UC7
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Michelin Primacy 4
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Bridgestone Turanza
Performance Upgrade
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Michelin Pilot Sport 5
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Continental MaxContact MC7
Runflat Options
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Bridgestone DriveGuard
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Michelin ZP (Zero Pressure)
BMW 318i Wheel Torque Specification
Recommended torque:
120 Nm (E90)
140 Nm (F30 / G20)
Installation tips:
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Use correct BMW wheel bolts
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Tighten in star pattern
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Recheck after 50–100 km
Incorrect torque may cause vibration or safety issues.
Need Tyres for Your BMW 318i?
Visit Autosport Tyreworld:
Magill
647 Magill Road, Magill SA 5072
0452 641 023
Wingfield
411 Grand Junction Road, Wingfield SA 5013
0433 645 411
Clarence Gardens
911 South Road, Clarence Gardens SA 5039
0420 299 911
We specialise in BMW tyres, wheel fitment and performance upgrades.