17x8 ET30 or ET40?

vishmutzy · 03-28-2012, 12:15 AM

I have an '07 335i Sport Pkg with 3 bent OEM rims. I have decided to downsize to 17" wheels. I really like the Beyern Mesh, which is only available as a square 17x8 setup.
So with that decided, my next decision is whether to go with ET30 or ET40 offset. As you know OEM offset for 8" wide wheels is ET34 (and ET37 for 8.5" rear).
Most vendors' application tables indicate ET40, but I'd rather not have the wheels sunken into the fenders an additional 6mm front and 9mm rear. Can I safely go with an ET30, which, according to the nifty calculator on this forum header, would extend the fronts outward 4mm and the rears outward 1mm from my current 18" staggered setup? I searched and couldn't find a clear answer.

Thanks!

engotski · 03-28-2012, 12:24 AM

+30 and spacers on the back to even it out

remmib · 03-28-2012, 10:47 AM

I'd go with ET30.

vishmutzy · 03-28-2012, 03:53 PM

Thanks for the advice on the ET30 recommendation.

One more question: Can I go with a slighter wider tire 235/45R17 on a 17x8 ET30 wheel and not have about any clearance issues? I know it's a very minor change, but I don't want to make a $600 mistake!

Gary@TireRack · 03-29-2012, 02:33 PM

Quote:

Originally Posted by vishmutzy

Thanks for the advice on the ET30 recommendation.

One more question: Can I go with a slighter wider tire 235/45R17 on a 17x8 ET30 wheel and not have about any clearance issues? I know it's a very minor change, but I don't want to make a $600 mistake!

That should fit with no problem, actually very common to do.

Tires http://www.tirerack.com/a.jsp?a=AH8&...ires/index.jsp

03-28-2012, 12:15 AM	#1
vishmutzy New Member 4 Rep 16 Posts Drives: '07 335i Sedan Join Date: Mar 2012 Location: Detroit, MI iTrader: (0)	17x8 ET30 or ET40? I have an '07 335i Sport Pkg with 3 bent OEM rims. I have decided to downsize to 17" wheels. I really like the Beyern Mesh, which is only available as a square 17x8 setup. So with that decided, my next decision is whether to go with ET30 or ET40 offset. As you know OEM offset for 8" wide wheels is ET34 (and ET37 for 8.5" rear). Most vendors' application tables indicate ET40, but I'd rather not have the wheels sunken into the fenders an additional 6mm front and 9mm rear. Can I safely go with an ET30, which, according to the nifty calculator on this forum header, would extend the fronts outward 4mm and the rears outward 1mm from my current 18" staggered setup? I searched and couldn't find a clear answer. Thanks!
	Appreciate 0 Tweet Quote

03-28-2012, 12:24 AM	#2
engotski oh haiii 43 Rep 1,105 Posts Drives: e92 328i Join Date: May 2011 Location: VanCity iTrader: (4)	+30 and spacers on the back to even it out
	Appreciate 0 Quote

03-28-2012, 10:47 AM	#3
remmib General 1566 Rep 29,202 Posts Drives: 2013 F10 520d M-Sport Join Date: Feb 2006 Location: Norway iTrader: (0)	I'd go with ET30. __________________ F10 520d M-Sport Alpine White \| HRE P43SC 20x9+20x11 \| Michelin PSS 255/35+295/30 \| KW V3 Coilover \| M5 Front Sway Bar + M550d Rear Sway Bar \| 3DDesign Front Lip \| BMW M Performance CF Spoiler \| BMW M Performance Diffuser \| BMW M Performance Black Grills \| BMW M Performance Pedals \|
	Appreciate 0 Quote

03-28-2012, 03:53 PM	#4
vishmutzy New Member 4 Rep 16 Posts Drives: '07 335i Sedan Join Date: Mar 2012 Location: Detroit, MI iTrader: (0)	Thanks for the advice on the ET30 recommendation. One more question: Can I go with a slighter wider tire 235/45R17 on a 17x8 ET30 wheel and not have about any clearance issues? I know it's a very minor change, but I don't want to make a $600 mistake!
	Appreciate 0 Quote

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search