Balo makes a very high quality rotor. They also don't farm out the casting of the rotor. It is done in-house in their foundry.

For the heavier BMWs this brand stood out as having an excellent reputation for not warping...and it was one of the least expensive.

__________________
Rick

'85 380 SL (sold)
'85 Carrera Flatnose
'71 280 SL Signal Red/Cognac