Keep proper pressure in your coolant system
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Keep proper pressure in your coolant system
We Price Match - Give Us A Call or Chat!
Replacement 4-pin/40 amp relay
5X Entries Into Our F80 M3 Sweepstakes
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Lower radiator drain coupling adapter
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Keep proper pressure in your coolant system
We Price Match - Give Us A Call or Chat!
O-Ring between thermostat housing and cylinder head
Keep proper pressure in your coolant system
Plastic 3-way oulet at lower radiator hose
2X Entries Into Our F80 M3 Sweepstakes
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Secures the coolant temperature sensor in place
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We Price Match - Give Us A Call or Chat!
2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Replacement 4-pin/40 amp relay
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Clip and o-ring sold separately
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***Please see photos and description prior to ordering, all sales final.***
ALL SALES FINAL. ITEMS MAY BE DAMAGED OR MISSING COMPONENTS. PLEASE SEE IMAGES BEFORE PURCHASING. Want To Haggle? Give Us A Call Or Chat To Make An Offer On This Product!
This product was last offered at the strikethrough price on
08-13-2026
O-Ring between thermostat housing and cylinder head
Universal cooler used for: engine oil, transmission oil, power-steering, differential oil, and as a water/coolant heat exchanger.
2X Entries Into Our F80 M3 Sweepstakes
Universal fitment design - modifications may be necessary to run this cooler
Does not include sealing O-Ring
Maintain continuous coolant flow through your heater core and secondary cooling loops while protecting your engine against post-shutdown heat soak with this OE-quality replacement auxiliary water pump.
2X Entries Into Our F80 M3 Sweepstakes
For vehicles with VIN from 1J-Y-000 001 only (split occurs in the 2000 model year)