Radiator Caps

E36s came with a 2.0 bar cap. Newer BMWs have a 1.4 bar cap.
We recommend replacing the cap when overhauling the cooling system, or if you notice leaks from the cap.

$39.95 Germanautosolutions.com

G.A.S 1.2 Bar Radiator Cap

The lowest pressure radiator cap available for E36s. This is a quality cap that also looks good.

$21.09 FCPeuro.com

OE 1.4 Bar Radiator Cap

FCP currently has a genuine BMW 1.4 bar cap available. Less expensive than the 1.2 G.A.S cap.

$25.29 FCPEuro.com

OE 2.0 Bar Radiator Cap

If you prefer the stock 2.0 bar pressure, FCP has a genuine BMW 2.0 bar cap available for a reasonable price.