BMW M340i xDrive Tyre Size Guide
Wheel Specs, PCD, Centre Bore & Torque Settings
The BMW M340i xDrive (G20 Sedan / G21 Touring) is a high-performance 3 Series featuring:
Need tyres for your BMW M340i xDrive in Adelaide?
Autosport Tyre World Magill can help confirm the correct tyre size, load rating, wheel fitment and alignment needs before you order.
Call Magill: 0452 641 023 Get fitted tyre quote View tyres Book wheel alignment
Tyre options and fitment help for BMW M340i xDrive
Use these links to check available tyre options by size. If you are unsure which size suits your exact model, send us your tyre placard photo before ordering.
| Size / service | Best use | Shop or search | Fitment check |
|---|---|---|---|
| 225/45R18 | Performance, comfort and upgrade options | View 225/45R18 tyre options | Check fitted availability |
| 225/40R19 | Performance, comfort and upgrade options | View 225/40R19 tyre options | Check fitted availability |
| 255/35R19 | Performance, comfort and upgrade options | View 255/35R19 tyre options | Check fitted availability |
| 225/35R20 | Performance, comfort and upgrade options | View 225/35R20 tyre options | Check fitted availability |
| 255/30R20 | Performance, comfort and upgrade options | View 255/30R20 tyre options | Check fitted availability |
| 235/40R19 | Performance, comfort and upgrade options | View 235/40R19 tyre options | Check fitted availability |
| Wheel alignment | Recommended after tyre or wheel changes | Wheel alignment Adelaide | Call Magill |
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B58 turbocharged inline-6 engine
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xDrive all-wheel-drive system
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M Performance chassis tuning
It competes with:
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Audi S4 / S5
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Mercedes-AMG C43
Because of its power and AWD system, tyre selection is critical for:
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Launch traction
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Cornering stability
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Braking performance
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High-speed control
Autosport Tyreworld specialises in BMW performance vehicles, AWD systems and staggered tyre setups.
BMW M340i xDrive Wheel Specifications
G20 / G21 (2019–Present)
| Specification | Value |
|---|---|
| Bolt Pattern (PCD) | 5x112 |
| Centre Bore | 66.6 mm |
| Wheel Bolt Size | M14 x 1.25 |
| Wheel Torque | 140 Nm |
BMW M340i xDrive Factory Tyre Sizes
Standard Setup
| Position | Tyre Size | Rim Size |
|---|---|---|
| Front | 225/45R18 | 18x8 |
| Rear | 225/45R18 | 18x8 |
Performance Staggered Setup
| Position | Tyre Size |
|---|---|
| Front | 225/40R19 |
| Rear | 255/35R19 |
Optional 20” Upgrade
| Position | Tyre Size |
|---|---|
| Front | 225/35R20 |
| Rear | 255/30R20 |
Important: xDrive Tyre Matching
For AWD vehicles like the M340i:
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Rolling diameter must match front and rear
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Avoid mixing tyre brands
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Replace tyres as a full set when possible
Incorrect setup may cause:
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Transfer case damage
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AWD system stress
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Uneven tyre wear
Popular Tyre Upgrade Options
Street Performance Setup
| Position | Tyre Size |
|---|---|
| Front | 235/40R19 |
| Rear | 265/35R19 |
Aggressive Setup
| Position | Tyre Size |
|---|---|
| Front | 245/35R19 |
| Rear | 275/30R19 |
Track Setup
| Position | Tyre Size |
|---|---|
| Front | 255/35R19 |
| Rear | 275/35R19 |
Before upgrading:
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Maintain rolling diameter balance
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Check wheel width (8.5J–10J)
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Ensure guard clearance
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Keep AWD compatibility
Recommended Tyres for BMW M340i xDrive
Daily + Performance Driving
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Michelin Pilot Sport 5
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Continental MaxContact MC7
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Bridgestone Potenza Sport
Track & High Grip
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Michelin Pilot Sport Cup 2
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Yokohama AD09
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Pirelli P Zero Trofeo R
Budget Performance
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Hankook Ventus RS4
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Kumho PS71
BMW M340i xDrive Wheel Torque Specification
Recommended torque:
140 Nm
Installation tips:
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Torque when wheels are cold
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Tighten in star pattern
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Recheck after 50–100 km
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Important for AWD performance
Incorrect torque may cause vibration, brake issues or drivetrain stress.
Need Tyres for Your BMW M340i xDrive?
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 performance tyres, AWD setups and premium upgrades.
Answer-engine summary
BMW M340i xDrive Tyre Size Guide– Wheel Specs should be matched to the tyre placard, current sidewall, load rating and the way the car is used. Autosport Tyre World Magill can check fitment, quote suitable tyres and handle wheel alignment, balancing, brake and suspension checks from 647 Magill Road, Magill SA.
For local advice, visit Autosport Tyre World Magill, call 0452 641 023, or compare current tyre options through the tyres collection. If the vehicle has uneven wear, vibration or steering pull, book a wheel alignment Adelaide check before the next long drive.
| Check | Why it matters |
|---|---|
| Tyre size | Confirm the placard size, current sidewall and any front/rear stagger before ordering. |
| Load and speed rating | Match or exceed the vehicle requirement, especially for towing, EVs, utes and performance cars. |
| Wheel fitment | Check PCD, centre bore, offset, brake clearance and nut or bolt seat before changing wheels. |
| Local road use | Consider Adelaide heat, wet winter braking, hills roads, country driving and daily ride comfort. |
FAQs
Can Autosport Tyre World Magill check BMW M340i xDrive Tyre Size Guide– Wheel Specs fitment?
Yes. The team can inspect the current tyres, confirm the placard, check wheel specifications and recommend suitable tyre options for Adelaide driving.
Should I book a wheel alignment with new tyres?
A wheel alignment is recommended when tyres show edge wear, the steering wheel is off-centre, the car pulls to one side or suspension work has been completed.
What should I check before changing wheel size?
Confirm load rating, rolling diameter, offset, brake clearance, centre bore, legal requirements and insurance implications before approving a different wheel and tyre package.
Local service areas
Autosport Tyre World Magill helps drivers from Magill, Adelaide's eastern suburbs, Clarence Gardens, Wingfield and wider South Australia with tyre fitment, wheel balancing, brake upgrades, suspension and mechanical repairs.
Need tyres or wheel alignment for your BMW M340i xDrive in Adelaide?
Send us your tyre size, vehicle model or tyre placard photo and the team at Autosport Tyre World Magill will confirm suitable options, availability and fitted advice.
Autosport Tyre World Magill: 647 Magill Road, Magill SA 5072. Phone 0452 641 023.
Call Magill Get fitted tyre quote View tyres Wheel alignment Adelaide