Lower radiator drain coupling adapter
For vehicles with ALH engine code only. Also fits vehicles with manual transmission with BEW engine code only.
Lower radiator drain coupling adapter
For vehicles with ALH engine code only. Also fits vehicles with manual transmission with BEW engine code only.
Located on drivers side of cylinder head
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Square connector with rounded ends
For vehicles with square connector only
Plastic 3-way oulet at upper radiator hose
For BEW engine code and automatic transmission only
Connects to heater core return
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For vehicles with BEW engine code with automatic transmission only
Plastic 3-way oulet at upper radiator hose
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We Price Match - Give Us A Call or Chat!
For BEW engine code and automatic transmission only
Install a new o-ring for a proper seal. 36x3.15
This product was last offered at the strikethrough price on
05-07-2026
For left cylinder head cooling flange (50x3.15)
Secures the coolant temperature sensor in place
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Replace brittle plastic parts.
Blue sensor with square connector. Please check existing sensor color
Runs from water pipe to expansion tank
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For vehicles with ALH engine code only
This product was last offered at the strikethrough price on
05-10-2026
Install a new o-ring for a proper seal. 36x3.15
We Price Match - Give Us A Call or Chat!
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
Keep your car running at the proper temperature.
5X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!