2007 BMW 328i — Wagon Sport Package
The 2007 BMW 328i Wagon Sport Package shipped with 2 different factory tire sizes, depending on the wheel package it left the factory with (this can also reflect a staggered front/rear setup). Check your tire sidewall or door placard to confirm which one applies to your vehicle.
This trim shipped with more than one tire size (staggered fitment, front/rear, or optional wheel package). Confirm which one matches your vehicle by checking your tire sidewall or door placard.
225/45R17 (Front)
| Section width | 225 mm |
|---|---|
| Aspect ratio (sidewall height) | 45% (101.3 mm) |
| Rim diameter | 17" |
| Overall tire diameter | ~25" |
| Revolutions per mile | ~808 |
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255/40R17 (Rear)
| Section width | 255 mm |
|---|---|
| Aspect ratio (sidewall height) | 40% (102 mm) |
| Rim diameter | 17" |
| Overall tire diameter | ~25" |
| Revolutions per mile | ~806 |
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What this size means for your BMW 328i
On the 2007 BMW 328i Wagon Sport Package, the factory 225/45R17 measures about 25″ in overall diameter with a 101.3 mm (4″) sidewall, and completes roughly 808 revolutions per mile. Its 45-series aspect ratio gives a low-profile sidewall tuned for sharper handling, common on sport trims and larger-wheel packages. In tire terms it is a passenger (P-metric / Euro-metric) size.
This is a staggered setup: the front axle runs 225/45R17 and the rear runs 255/40R17. The two sizes are not interchangeable, so order each for its correct axle and don't rotate front-to-rear.
On a vehicle of this age, the BMW 328i may have been refitted with a slightly different replacement size somewhere in its life, so check the current sidewall — not just the factory spec — before buying.
Other 2007 BMW 328i trims
- Cabriolet Base Model 225/45R17
- Cabriolet Sport Package 225/40R18 (Front) / 255/35R18 (Rear)
- Coupe Base Model 225/45R17
- Coupe Sport Package 225/40R18 (Front) / 255/35R18 (Rear)
- Sedan Base Model 205/55R16
- Sedan Sport Package 225/45R17 (Front) / 255/40R17 (Rear)
- Wagon Base Model 205/55R16
BMW 328i tire sizes by year
- 2016 BMW 328i 225/50R17 / 225/45R18 / 225/45R18 (Front) / 255/40R18 (Rear)
- 2015 BMW 328i 225/50R17
- 2014 BMW 328i 225/50R17
- 2013 BMW 328i 225/45R17
- 2012 BMW 328i 225/45R17
- 2011 BMW 328i 225/45R17
- 2010 BMW 328i 225/45R17
- 2009 BMW 328i 225/45R17
- 2008 BMW 328i 225/45R17
- 2006 BMW 328i 205/55R16
How to read a tire size
A tire size like 225/45R17 breaks down into three parts:
the first number is the section width in millimeters
(the tire's width from sidewall to sidewall), the second is the
aspect ratio — the sidewall's height as a percentage of
that width — and the number after the "R" is the rim
diameter in inches. A letter prefix (P or LT) indicates
Passenger or Light Truck construction; its absence usually means
Euro-metric sizing.
Some trucks and off-road tires instead use "flotation" sizing, like
37X12.50R17 — here the numbers are the tire's overall
diameter and width in inches directly, with the rim diameter last.
Always verify against the tire information placard on your driver's-side door jamb or your owner's manual before purchasing — tire size can vary by factory option package even within the same trim.