Reinforced cylinder head gasket with separate rings from BMW M20B25 E30 SUPPORT
Piston diameter 85mm, in case indicate a different diameter.
Gasket compatible with BMW engines M20B25 and M20B27 with versions E30 - E28 - E34 and Z1
Competition gasket with separate support rings (installed like a traditional gasket) made at the time of purchase for this reason non-refundable and an advance payment is required.