O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
O-ring for each side of the plastic bypass pipe under intake. 34.5x3.55
Recommended to be replaced when replacing a thermostat. 63x3mm
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-07-2026
Used with coolant flange and thrust ring to create a leak free seal
Common area for coolant leaks - Located on cylinder head
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Recommended to be replaced when replacing a thermostat. 63x3mm
O-Ring between thermostat housing and cylinder head
Secures the coolant temperature sensor in place
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Install new hardware with your new parts. 6x30
O-Ring between thermostat housing and cylinder head
Used with coolant flange and thrust ring to create a leak free seal
Located on the driver side of the cylinder head
Common point of failure or leaking for the cooling system
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This product was last offered at the strikethrough price on
05-02-2026
Common area for coolant leaks - Located on cylinder head
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-29-2026
Used with coolant flange and thrust ring to create a leak free seal
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Seal for most clip-in cooling sensors/senders. M19.6x3.6mm
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Ensure a proper seal when installing your new thermostat
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