225/50 R17
Available 
ContiPremiumContact 2 225/50 R17 98V Summer
from £128.84-£202.54.
£128.84-£202.54
Tyre sizes tracked: 225/50 R17 98V
Vehicle tyre fitment guide
2018 BMW 3 Series tyres
Compare exact-match summer tyres for the 2018 BMW 3 Series using only the researched tyre sizes. Trim, wheel option, market and previous wheel changes can alter the correct size, so check the current sidewall or vehicle placard first. If your car uses staggered front and rear fitment, confirm both axles separately before you order.
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Last verified: 2026-06-24
2018 BMW 3 Series fitment summary
The researched tyre sizes for this 2018 BMW 3 Series guide are 225/50 R17, 225/45 R18, 255/40 R18, 225/40 R19, 255/35 R19. Some BMW 3 Series wheel packages use staggered front and rear sizes. Confirm front and rear sidewall sizes separately before ordering. Fitment source checked: 1.
225/50 R17225/45 R18255/40 R18225/40 R19255/35 R19
Tyres grouped by 2018 BMW 3 Series size
Only Tyres.net products whose listed size exactly matches one of the researched 2018 BMW 3 Series tyre sizes are shown here. Check load index, speed rating, season and run-flat notes before buying.
225/45 R18
Available 
Cinturato P7 (P7C2) 225/45 R18 95Y Summer
from £126.11-£168.83.
£126.11-£168.83
Tyre sizes tracked: 225/45 R18 95Y
Available 
EcoContact 6 225/45 R18 95Y Summer
from £123.68-£191.82.
£123.68-£191.82
Tyre sizes tracked: 225/45 R18 95Y
Available 
ContiSportContact 5 225/45 R18 95Y Summer
from £124.12-£223.68.
£124.12-£223.68
Tyre sizes tracked: 225/45 R18 95Y
255/35 R19
Available 
ContiSportContact 5 P 255/35 ZR19 96Y Summer
from £129.20-£279.73.
£129.2-£279.73
Tyre sizes tracked: 255/35 ZR19 96Y
Matching Tyres.net options
Start with Cinturato P7 (P7C2) 225/45 R18 95Y Summer (£126.11-£168.83), ContiPremiumContact 2 225/50 R17 98V Summer (£128.84-£202.54), ContiSportContact 5 P 255/35 ZR19 96Y Summer (£129.20-£279.73); each is included because its Tyres.net listed size matches a researched 2018 BMW 3 Series tyre size. This is not a claim that every trim uses the same size. Confirm the current sidewall, load index and speed rating before ordering. Use season, stock, delivery terms and price as secondary filters after size fitment.
Available
Cinturato P7 (P7C2) 225/45 R18 95Y Summer
from £126.11-£168.83.
£126.11-£168.83
Tyre sizes tracked: 225/45 R18 95Y
Available
ContiPremiumContact 2 225/50 R17 98V Summer
from £128.84-£202.54.
£128.84-£202.54
Tyre sizes tracked: 225/50 R17 98V
Available
ContiSportContact 5 P 255/35 ZR19 96Y Summer
from £129.20-£279.73.
£129.2-£279.73
Tyre sizes tracked: 255/35 ZR19 96Y
Available
EcoContact 6 225/45 R18 95Y Summer
from £123.68-£191.82.
£123.68-£191.82
Tyre sizes tracked: 225/45 R18 95Y
Available
ContiSportContact 5 225/45 R18 95Y Summer
from £124.12-£223.68.
£124.12-£223.68
Tyre sizes tracked: 225/45 R18 95Y
At-a-glance fitment comparison
The table is filtered to researched tyre sizes: 225/50 R17, 225/45 R18, 255/40 R18, 225/40 R19, 255/35 R19. Compare the listed size against the current tyre sidewall first, then check load/speed rating, season and run-flat notes. Products outside those researched sizes are deliberately excluded from this vehicle shortlist.
| Product | Type | Season | Tyre sizes | From |
|---|---|---|---|---|
| Cinturato P7 (P7C2) 225/45 R18 95Y Summer | Car tyre | Summer | 225/45 R18 95Y | £126.11 |
| ContiPremiumContact 2 225/50 R17 98V Summer | Car tyre | Summer | 225/50 R17 98V | £128.84 |
| ContiSportContact 5 P 255/35 ZR19 96Y Summer | Car tyre | Summer | 255/35 ZR19 96Y | £129.2 |
| EcoContact 6 225/45 R18 95Y Summer | Car tyre | Summer | 225/45 R18 95Y | £123.68 |
| ContiSportContact 5 225/45 R18 95Y Summer | Car tyre | Summer | 225/45 R18 95Y | £124.12 |
What the 2018 BMW 3 Series fitment check shows
The researched tyre sizes for this 2018 BMW 3 Series guide are 225/50 R17, 225/45 R18, 255/40 R18, 225/40 R19 and 255/35 R19. Some BMW 3 Series wheel packages use staggered front and rear sizes, so the front and rear sidewalls should be checked separately before ordering. Fitment can change with trim, wheel option, market and any previous wheel changes, so the current sidewall or vehicle placard should always be treated as the final check.
How the shortlist compares once fitment is confirmed
Every tyre in this shortlist is a summer tyre, so the main comparison is exact size, brand line, price and use case. The matched options include Pirelli Cinturato P7 (P7C2) 225/45 R18 95Y Summer, Continental ContiPremiumContact 2 225/50 R17 98V Summer, Continental ContiSportContact 5 P 255/35 ZR19 96Y Summer, Continental EcoContact 6 225/45 R18 95Y Summer and Continental ContiSportContact 5 225/45 R18 95Y Summer. The supplied price range runs from £123.68 to £279.73, so price is best used as a sense-check after the exact tyre size is confirmed. Live stock and delivery can change, so check the retailer page before you order.
How to choose the right tyre safely
Start with the tyre sidewall on the car, then confirm the size against the vehicle placard or handbook. If your 2018 BMW 3 Series has a staggered setup, check the front and rear sizes separately because the same car can use different tyres on each axle. After fitment is confirmed, check the load index, speed rating and any run-flat marking shown on the live product page. If those details do not match what your car needs, do not order on size alone.
Why the same 2018 BMW 3 Series can need different tyre sizes
A 2018 BMW 3 Series is not a single-size fitment story. Wheel package, trim level, market and any previous wheel changes can all alter the correct tyre size, which is why this page only uses the researched exact sizes. Do not assume every trim uses the same tyre size, and do not substitute a nearby size. If the sidewall and the placard do not match your expectation, treat the placard as the final check before buying.
What to check on each tyre before ordering
With limited public review information available for these shortlisted tyres, the most useful checks are the ones you can verify on the live product page: exact size, load index, speed rating, season and run-flat marking if relevant. The 225/45 R18 group is especially useful because it includes multiple exact-match options, including Pirelli Cinturato P7 (P7C2), Continental EcoContact 6 and Continental ContiSportContact 5. That makes it easier to compare comfort-led, efficiency-led and sportier product lines at the same size.
How to compare the product lines without assuming a winner
The Continental EcoContact 6 and ContiPremiumContact lines give shoppers more everyday-oriented comparisons, while the ContiSportContact 5 and ContiSportContact 5 P are the more performance-leaning options in the shortlist. Pirelli’s Cinturato P7 (P7C2) sits alongside those Continental choices for 225/45 R18 drivers, so brand familiarity can matter as much as the price gap. Use that to narrow the shortlist by driving style: commuting and general road use versus a more sporty feel.
Value comes from exact fitment, then live price and delivery
A lower sticker price only matters if the tyre is the right exact fit for your car. The researched shortlist spans from £123.68 to £279.73, so compare like for like within the exact size you need and then check the latest retailer price, stock status and delivery terms. If two tyres both match your sidewall, value often comes down to which brand line suits your use case and which listing is actually available now. Check the live product page for the final price before you order.
Retailer details used
Last checked 2026-06-24. The source list below is included to help you check the details behind the comparison. Always confirm the latest price, delivery cost, stock status and product details with the retailer before buying.
- Vehicle tyre-size fitment sourcevehicle tyre-size fitment research; products are selected from exact matching Tyres.net listed sizes
- Cinturato P7 (P7C2) 225/45 R18 95Y Summercurrent shortlist product listing
- ContiPremiumContact 2 225/50 R17 98V Summercurrent shortlist product listing
- ContiSportContact 5 P 255/35 ZR19 96Y Summercurrent shortlist product listing
- EcoContact 6 225/45 R18 95Y Summercurrent shortlist product listing
- ContiSportContact 5 225/45 R18 95Y Summercurrent shortlist product listing
Helpful next reads
Keep comparing with related reviews and buying guides before checking the latest retailer prices.
Buying questions
Can a 2018 BMW 3 Series have different tyre sizes by trim or wheel package?
Yes. The researched sizes for this page are 225/50 R17, 225/45 R18, 255/40 R18, 225/40 R19 and 255/35 R19, but trim, wheel option, market and previous wheel changes can alter what is correct for your car. Some wheel packages are staggered, so front and rear sidewalls may differ. Always confirm the current sidewall or vehicle placard before ordering.
Where should I check the exact tyre size before buying?
Check the tyre sidewall on the vehicle first, then confirm against the placard or handbook. For this 2018 BMW 3 Series guide, only the researched sizes should be used, and near sizes should not be substituted. If the car has mixed front and rear wheels, confirm both axles separately before adding anything to basket.
Why does this page mention staggered fitment?
Because some 2018 BMW 3 Series wheel packages use different front and rear tyre sizes. That means the correct tyre for one axle may not be the correct tyre for the other axle, so you should check each sidewall separately and verify the placard before ordering.
Are all the tyres on this shortlist summer tyres?
Yes. The supported shortlist for this page is made up of summer tyres only, so the comparison is between exact size, brand line, price and use case rather than season type. If you need a different season, use the exact sidewall size as your starting point and compare products on the live retailer page.
Should I check load index, speed rating and run-flat marking before buying?
Yes, especially if you are replacing tyres that already have a specific load and speed requirement or if your car currently uses run-flat tyres. Check those details on the live product page after confirming the exact size, and do not assume they are the same across all tyres in the same rim size. Live stock and delivery should also be checked before you place the order.