<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color
<font color='blue'>Blue</font> sensor with square connector. Please check existing sensor color
Lower radiator drain coupling adapter
Square connector with rounded ends
For vehicles with square connector only
Located on the side of the cylinder head
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Replacement 4 pin relay
This product was last offered at the strikethrough price on
05-07-2026
Runs from cooling flange to radiator.
AEG Engine Code Only
Connects to heater core return
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Located on the left side of the cylinder head
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Seals the oil filter adapter to the engine block
Blue sensor with square connector. Please check existing sensor color
Runs from water pipe to expansion tank
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This product was last offered at the strikethrough price on
04-16-2026
Runs from the throttle body to the side of the cylinder head
From VIN 1C-X-415,001 split is in the model year 1999 and only applies to AEG engine codes
This product was last offered at the strikethrough price on
05-02-2026
Install a new o-ring for a proper seal. 36x3.15
This product was last offered at the strikethrough price on
05-07-2026
Revised green 4 pin sensor, located in the cooling flange located on the side of the cylinder head
Clean up your engine bay or replaced your cracked unit with a new coolant expansion tank
Square connector with rounded ends
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
For vehicles with square connector only