I've currently got aftermarket 19" 343M style alloys which I love the look of, concave & gunmetal with machined face, however for several reasons I want them gone (diamond cut is impractical, they're too wide, they need a refurb, no rim protection, and tyres are expensive).
I'm running 235/35/19 fronts and 265/30/19 rears, I believe they are 8.5J ET38 / 9.5J ET40 but I have no idea if I'm using spacers as they were on the car when I bought it.
I'd like to stick with runflats as I don't want any hassle regarding insurance or european breakdown cover etc, and I'm thinking 18" to achieve a slightly better ride. I also want to get as close to the stock staggered spec as possible so 8Jx18 ET29 / 8.5Jx18 ET40 but I'm struggling to find any wheels that match this exactly.
I've got a budget of about £1k so ideally I'm looking for 2nd hand genuine BMW wheels from other models. Although some do look great I'm slightly against aftermarket wheels due to many of them needing slim bolts and not fitting BMW sized centre caps.
I'm finding a lot of good VFM packages on eBay and the like with refurbished wheels & premium part-worn RFT fitted (400M style for example), but they never seem to have the right offsets or tyre aspect ratio, it's always a slightly larger. So it's got me thinking if they'd actually be suitable for me or not...
Given the correct size would be:
Front: 8J ET29 - 225/40/18
Rear: 8.5J ET40 - 255/35/18
If I replaced with:
Front: 8J ET34 - 225/45/18
Rear: 8.5J ET47 - 255/40/18
- Would these offsets be ok without rubbing or would spacers be required?
- And would these tyres be ok to fit? I know the profile would make the speedo read off by about 3%, but would the thicker sidewalls also help with handling/ride?
I've stressed myself out trying to decide what to do so just needed to write it all out and get some thoughts!