Difference between standard CSL alloys and Magnesium Cup alloys - Page 2

**Mark CSL** · 12-05-2009, 07:00 PM

Name Manufacturing Method Size Weight (lbs.) Weight (kgs.)
BMW E46 CSL Cast 19x8.5 27.8 12.6
BMW E46 CSL Cast 19x9.5 30.5 13.8

**shimmy** · 12-05-2009, 07:46 PM

Quote:

Originally Posted by E46ACS

There are the "CSL" wheels, which are nice and light.

And there are the "CS" wheels (from the M3 CS) which are the same design but weigh about the same as the M3 OEM 19" wheels.

The CSL wheels are made from a lighter alloy, I believe the 'magnesuim' is a bit of a myth.

not sure that is true. I believe that the CS rims are same as CSL rims except front is narrower and hence a bit lighter, otherwise no difference. It has been shown the rears have the same OEM code.

But M3 19 inch rims are abit heavier def

bryce · 12-05-2009, 11:02 PM

What shimmy said.

Bealo · 13-05-2009, 02:34 AM

Quote:

Originally Posted by shimmy

yes much much lighter BUT the magnessium ones are a problem when wet, as they tend to fizz around the street and let off steam before disappearing

you crack me up Shimmy...

NZ_M3 · 13-05-2009, 11:13 AM

Correct .. same part numbers for the rears for CSL and CS

CSL fronts are 0.5 inch wider compared to the CS, but exactly the same manufacturing process - flow casting.

Nothing special about the CSL wheels to be honest - it's not even forged or semi solid forged and definitely not magnesium (probably why it is so cheap to buy ... )

12-05-2009, 07:00 PM	#11
Mark CSL CSL Register Uber-poster! Join Date: Sep 2007 Location: Scotland Posts: 8,777 Casino cash: $42229	Name Manufacturing Method Size Weight (lbs.) Weight (kgs.) BMW E46 CSL Cast 19x8.5 27.8 12.6 BMW E46 CSL Cast 19x9.5 30.5 13.8 __________________ www.procarkits.co.uk

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12-05-2009, 11:02 PM	#13
bryce S5, Sport On, DSC M-track Join Date: Nov 2008 Location: Scotland (sw) Posts: 1,369 Casino cash: $2512	What shimmy said.

13-05-2009, 11:13 AM	#15
NZ_M3 S5, Sport On, DSC M-track Join Date: Jun 2008 Location: Auckland, New Zealand Posts: 1,434 Casino cash: $13579	Correct .. same part numbers for the rears for CSL and CS CSL fronts are 0.5 inch wider compared to the CS, but exactly the same manufacturing process - flow casting. Nothing special about the CSL wheels to be honest - it's not even forged or semi solid forged and definitely not magnesium (probably why it is so cheap to buy ... )