BimmerWorld Oil Cooler Diverter Valve Kit - E36 Euro, E46 M3

Convert your oil filter housing to full flow to reduce oil temps

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Extremely important on E36 Euro and S54 engines!

With cars that came with a factory oil cooler (Euro E36 M3, all S54) there is a thermostat in the oil filter housing that limits the amount of oil that flows into the cooler, even when warm! This thermostat is closed when the engine is cold so that the oil warms up quicker. But even at operating temp the thermostat does not open all the way! E36 and E46 M3 owners who have experienced high oil temps at the track often don't have an explanation or solution - until now.

Our Oil Cooler Diverter Valve quickly remedies this issue by making the cooler full-flow. It diverts all oil through the cooler and lines for maximum cooling strategy. This will typically bring down stubborn oil temps 30+ degrees on tracked engines with the stock cooler. Once the housing is removed this is a quick 5 minute install into the factory Euro or S54 oil filter housing. This is not recommended for street cars without the addition of a performance inline thermostat. Drive conservatively and allow extra time for the oil to reach optimal temp (>150 degrees).

Includes diverter valve, housing gasket, and installation instructions.

Requires Euro M3 or S54 oil filter housing.
BMW Fitments (with Euro or S54 oil filter housing):-

3 Series
E36 (92-95) > 325i
E36 (92-95) > 325ic
E36 (92-95) > 325is
E36 (96-99) > 328i
E36 (96-99) > 328ic
E36 (96-99) > 328is
E36 (1995) > M3 (1995)
E36 (96-99) > M3 (96-99)
3 Series
E46 (01-06) > 325i
E46 (01-06) > 325ci
E46 (01-06) > 330i
E46 (01-06) > 330ci
E46 (01-06) > M3
Z Series
Z3 (98-00) > MZ3 Roadster, Coupe (S52)
Z3 (01-02) > MZ3 Roadster, Coupe (S54)
Z Series
E85 (03-05) > Z4 3.0i (M54)
E85 E86 (06-08) > Z4 M Roadster, M Coupe
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