235/40/18 8j x 18" ET45.....will they fit? - Volvo V40 Forums
 
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post #1 of 8 (permalink) Old 08-11-2016, 10:40 PM Thread Starter
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235/40/18 8j x 18" ET45.....will they fit?

Hi, newbie here, just bought my 2013 R Design V40 D4.
It's on standard suspension but would prefer a larger alloy.
I've been offered genuine 18" C70 Volvo wheels with
235/40/18 tyres the alloys are 8j X 18" and the ET is 45,
I'm fairly sure they will work but would like a little reassurance.
Any help thanks in advance.
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post #2 of 8 (permalink) Old 09-11-2016, 12:06 AM
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Have a look at this previous thread about fitting 18x8j ET45 wheels:
17 or 18 inch rims.
If your car already has 17x7.5J wheels you should already have the steering rack limiters and software in place.
What year are the C70 rims from? If they are from a pre-2006 car the centre bore is different to the V40s (65.4mm vs 63.4mm) so they would require a 2mm centre bore shim to be fitted.
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post #3 of 8 (permalink) Old 09-11-2016, 07:35 AM Thread Starter
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The C70 wheels are from a my2013 car
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post #4 of 8 (permalink) Old 09-11-2016, 06:16 PM Thread Starter
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....so my understanding is they will fit but I'll have to visit a dealership to re-calibrate ?
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post #5 of 8 (permalink) Old 10-11-2016, 11:51 AM
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Originally Posted by Seafar99 View Post
....so my understanding is they will fit but I'll have to visit a dealership to re-calibrate ?
As they are from a 2013 C70 the centre bore will be the same as the V40. However, the offset is going the opposite way to what the V40 is designed for (the 18x7.5J wheels for the V40 are ET52.5). In the previous thread linked to above I linked to the Ford Focus Mk2 owners experieces with 18x8J ET45 wheels and they still experiece rubbing occasionally when at full lock or when the suspension is compressed (or lowered).

If your car only has 17" wheels then it will not have been fitted with the steering deflection limiters (spacers that fit onto the ends of the steering rack that limit the amount of lock avaialble to try and prevent the wheels rubbing on the inner and outer wings at full lock) so these will need to be fitted. The software calibration for the speedo, ESP, Parkin gPilot etc.also needs to be downloaded, though as there is no equivalent wheel size and tyre size combination available from Volvo they will have to pick the nearest match I expect.
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post #6 of 8 (permalink) Old 10-11-2016, 06:39 PM Thread Starter
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Thanks Buzby, my car is a late Nov 2013 R Design V40 D4 Lux with the 17" Ixion alloy wheels.
Your #2 & #5 posts seems to conflict whether these spacer limiters and software are likely to be fitted or not?
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post #7 of 8 (permalink) Old 10-11-2016, 11:16 PM
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Originally Posted by Seafar99 View Post
Thanks Buzby, my car is a late Nov 2013 R Design V40 D4 Lux with the 17" Ixion alloy wheels.
Your #2 & #5 posts seems to conflict whether these spacer limiters and software are likely to be fitted or not?
Whether you have the steering deflection limiters fitted or not depends on the spec. level of the car and what wheels were fitted when it left the factory or dealer. There are 2 sizes of 17" wheels used on V40s - 17x7J and 17x7.5J.

The 7J wheels are usually found on D2s (such as the D2 R Design) and are fitted with 205/50R17 tyres. The 7.5J wheels are normally found on the higher-powered variants and are usually fitted with 225/45R17 tyres. The D2 gets the narrower wheels and tyres in an effort to reduce drag and rolling resistance to get into the zero tax bracket.

Once the wheel width goes past 7J the steering deflection limiters are usually fitted (the Ford C1 platform used for the Mk2 Focus and V40 is limited in the wheel widths that can be used on the front axle due to the wide engine bay required for the 5-cylinder engines).

If your car has 205-section tyres you will probably need the steering limiters fitted. if it has 225-section tyres it will probably already have them, though the dealer will be able to tell you for sure by looking up the list of options fitted to your car from your VIN on Volvo's database.
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post #8 of 8 (permalink) Old 11-11-2016, 07:40 AM Thread Starter
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Thanks again Buzby, I'll phone my dealership, car is running 225/40/17 profile tyres so hopefully has the steering limiters and software fitted.
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