Wheel load ratings for z4 coupe

E

esafaeian

Member
Hey guys,
I score some m3 e92 rep 19s (19x8 +38 and 19x9 +45s) for real cheap tonight, the wheels have plenty of gutter rash that needs fixing so I’ll be working on that once I get new tyres on. Just a quick question - each wheel says 750kg max on the back of one of the spokes, is this sufficient for z4 coupes? What is the load rating of the standard 18’s?

Also was thinking of going 235/35s on the front and 265/30s rear, is this a good tire size for be 19’s?

Ps by changing to these wheels I’m ditching the run flats, hoping there won’t be any issues there.
 
The Z4 only weighs 1500kg, so I'd assume 750kg per corner should cover that.

Can't help with sizing/offsets though - that's more Mr Wilks area of expertise.
 
The above widths & offsets will fit both Si & S54 E86 but not sure i would go 235 35 on a front 8j rim especially if its a lowered Si coupe .
If its a ///M 86 then you will be wanting at least 15mm spacers for rear if not 20mm to get a good look
On a rear 9j rim i would go 255 35 but i guess you could go 265 30 if you must
 
Thanks mate, the car is a stock 3.0si coupe, so which type sizes would work better on 19’s for fronts?

I want the most comfortable and best looking size and a size where there will be 0 chance of rubbing
 
Not wanting to create a new thread - so will just post here, I ended up going 235/35/19's front (as the wheels came with those tyres), they are 19x8 et38 and there is 0 rubbing on full lock, over speed bumps etc, will this be ok lowered on the Eibach kit for the z4 coupe?

I probably will change over to 225's when I have to change the tyres but if I can use the tyres on the car already for a while without rubbing or ruining my arch covers I'd be happy.
 
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