Vehicle tyre fitment guide

2020 BMW 3 Series tyres

Compare exact-match summer tyres for the 2020 BMW 3 Series, then verify the tyre sidewall or vehicle placard before ordering because trim, wheel package, market and previous wheel changes can alter the correct size.

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Last verified: 2026-06-21

2020 BMW 3 Series fitment summary

The researched tyre sizes for this 2020 BMW 3 Series guide are 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.

225/45 R18255/40 R18225/40 R19255/35 R19

Tyres grouped by 2020 BMW 3 Series size

Only Tyres.net products whose listed size exactly matches one of the researched 2020 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

Pirelli · Car tyre · Summer

Cinturato P7 (P7C2) 225/45 R18 95Y Summer

from £126.11-£168.96.

£126.11-£168.96

Tyre sizes tracked: 225/45 R18 95Y

Available EcoContact 6 225/45 R18 95Y Summer

Continental · Car tyre · Summer

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

Continental · Car tyre · Summer

ContiSportContact 5 225/45 R18 95Y Summer

from £124.12-£223.50.

£124.12-£223.5

Tyre sizes tracked: 225/45 R18 95Y

255/35 R19

Available ContiSportContact 5 P 255/35 ZR19 96Y Summer

Continental · Car tyre · Summer

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 Pilot Sport 4S 255/35 ZR19 96Y Summer

MICHELIN · Car tyre · Summer

Pilot Sport 4S 255/35 ZR19 96Y Summer

from £172.30-£204.93.

£172.3-£204.93

Tyre sizes tracked: 255/35 ZR19 96Y

Matching Tyres.net options

Start with Cinturato P7 (P7C2) 225/45 R18 95Y Summer (£126.11-£168.96), ContiSportContact 5 P 255/35 ZR19 96Y Summer (£129.20-£279.73), EcoContact 6 225/45 R18 95Y Summer (£123.68-£191.82); each is included because its Tyres.net listed size matches a researched 2020 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

Pirelli · Car tyre · Summer

Cinturato P7 (P7C2) 225/45 R18 95Y Summer

from £126.11-£168.96.

£126.11-£168.96

Tyre sizes tracked: 225/45 R18 95Y

Available ContiSportContact 5 P 255/35 ZR19 96Y Summer

Continental · Car tyre · Summer

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

Continental · Car tyre · Summer

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

Continental · Car tyre · Summer

ContiSportContact 5 225/45 R18 95Y Summer

from £124.12-£223.50.

£124.12-£223.5

Tyre sizes tracked: 225/45 R18 95Y

Available Pilot Sport 4S 255/35 ZR19 96Y Summer

MICHELIN · Car tyre · Summer

Pilot Sport 4S 255/35 ZR19 96Y Summer

from £172.30-£204.93.

£172.3-£204.93

Tyre sizes tracked: 255/35 ZR19 96Y

At-a-glance fitment comparison

The table is filtered to researched tyre sizes: 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.

ProductTypeSeasonTyre sizesFrom
Cinturato P7 (P7C2) 225/45 R18 95Y SummerCar tyreSummer225/45 R18 95Y£126.11
ContiSportContact 5 P 255/35 ZR19 96Y SummerCar tyreSummer255/35 ZR19 96Y£129.2
EcoContact 6 225/45 R18 95Y SummerCar tyreSummer225/45 R18 95Y£123.68
ContiSportContact 5 225/45 R18 95Y SummerCar tyreSummer225/45 R18 95Y£124.12
Pilot Sport 4S 255/35 ZR19 96Y SummerCar tyreSummer255/35 ZR19 96Y£172.3

What the fitment research shows

This 2020 BMW 3 Series tyre shortlist is limited to four exact researched sizes: 225/45 R18, 255/40 R18, 225/40 R19 and 255/35 R19. That matters because the model year alone does not lock in one tyre size. BMW 3 Series wheel packages can vary, and some cars use staggered front and rear sizes, so the front and rear sidewalls should be checked separately before ordering. Only exact-size matches are shown here, making this a compare-and-verify shortlist rather than a universal fitment recommendation.

How the shortlist differs in practice

The main trade-off here is value versus positioning. Continental EcoContact 6 225/45 R18 starts at £123.68, making it the lowest starting price in the set, while MICHELIN Pilot Sport 4S 255/35 ZR19 starts at £172.30 and sits at the premium end of the shortlisted range. Pirelli Cinturato P7 (P7C2) 225/45 R18 and Continental ContiSportContact 5 / 5 P options give shoppers familiar brand names to compare, but the right choice still depends on the exact size on your car, current retailer availability and how you drive.

How to choose for your car

Start with the tyre sidewall on the car, then confirm the vehicle placard or handbook, because the model year alone does not guarantee the right size. If your BMW has staggered wheels, check the front and rear sizes separately and do not assume one number applies to both axles. On this shortlist, exact matches include Continental EcoContact 6 225/45 R18 at £123.68, Pirelli Cinturato P7 (P7C2) 225/45 R18 at £126.11 and MICHELIN Pilot Sport 4S 255/35 ZR19 at £172.30. After size, compare load index, speed rating, any run-flat marking if the current tyres are run-flat, and the retailer’s latest stock and delivery details.

Why a 2020 BMW 3 Series can show more than one size

BMW 3 Series fitment varies by trim, wheel option, market and any previous wheel changes, which is why the researched set includes 225/45 R18, 255/40 R18, 225/40 R19 and 255/35 R19 instead of one universal answer. In the researched guidance, 18-inch and 19-inch options both appear, and some configurations use a staggered rear size. That is why a tyre size seen in a listing still needs to be checked against the sidewall and placard on your own car before you order.

What to confirm before buying

Size is only the first checkpoint. Make sure the load index and speed rating on the replacement tyre match what your car requires, and if the current tyre is marked run-flat, confirm whether the replacement listing carries the same marking or approved equivalent. If the vehicle sidewall, placard and product page do not agree, pause and ask a tyre fitter to confirm the correct match rather than choosing a close-looking size.

How to think about season and use case

All of the shortlisted tyres here are summer tyres, so they are best treated as warm-weather shopping options rather than a mixed-season solution. Within that group, Continental EcoContact 6 is the most budget-friendly starting point in the set, while the ContiSportContact and Pilot Sport 4S names lean more towards sportier road use. For commuting or motorway miles, compare the balanced options first; for a more driving-focused feel, compare the sportier names only if the exact size matches your car.

Value and availability

The supplied shortlist starts at £123.68 for Continental EcoContact 6 225/45 R18 and reaches £172.30 for MICHELIN Pilot Sport 4S 255/35 ZR19 at the starting end, with wider upper bands on some products. EcoContact 6 also shows the widest variant coverage in the set, which can make it easier to find an exact match for a specific 18-inch BMW fitment. Because live stock and delivery can change, confirm availability, fitting costs and any delivery charge on Tyres.net before placing an order.

Retailer details used

Last checked 2026-06-21. 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.

Buying questions

Can a 2020 BMW 3 Series have different tyre sizes by trim or wheel package?

Yes. The researched fitment set includes 225/45 R18, 255/40 R18, 225/40 R19 and 255/35 R19, but the correct one depends on trim, wheel option, market and any prior wheel changes.

Where should I check the exact tyre size before ordering?

Check the tyre sidewall on the car first, then confirm the vehicle placard or handbook. If your BMW uses staggered wheels, check the front and rear tyres separately so you do not order a single size by mistake.

What should I compare besides size on this shortlist?

Once the size matches, compare load index, speed rating, season, run-flat marking if relevant, current price and live stock. On this page the shortlist is summer-only, so the final choice is mostly about exact fitment and value.

Why are staggered sizes important on this BMW?

Some 2020 BMW 3 Series wheel packages use different front and rear sizes, so the front and rear sidewalls should be checked separately. That helps avoid ordering one tyre size when the car actually needs two different ones.

How should I think about the summer tyres in this shortlist?

Treat them as warm-weather options to compare by fitment, brand and price. Continental EcoContact 6 sits at the lower starting price, while Michelin Pilot Sport 4S sits at the higher end, so the shortlist is useful for comparing value as well as positioning.