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This product was last offered at the strikethrough price on
04-17-2026
This product was last offered at the strikethrough price on
07-09-2026
This electric valve serves one of several purposes depending on which car it is used on. Please read the application listings below to ensure you are purchasing the correct part.
Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.
This item fits the following BMWs:
Secondary Air System Valve
1996-1998 E36 BMW 323is 323ic 328i 328is 328ic M3
1999-3/2003 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
2003-2005 E46 BMW 325i 325ci (M56)
1997-2003 E39 BMW 525i 528i 530i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i
1997-2000 Z3 BMW M Roadster M Coupe (S52)
This product was last offered at the strikethrough price on
09-07-2026
This product was last offered at the strikethrough price on
09-07-2026
This product was last offered at the strikethrough price on
09-22-2026
This hose runs from the oil separator to the intake manifold and is designed to allow the recirculation of built-up oil vapors.
Due to its proximity to engine heat, this hose tends to get brittle and break as it ages. This can lead to oil leaks, vacuum leaks, misfires, and more.
If your crankcase ventilation hose is brittle or leaking, replace it with this unit from URO Parts.
This product was last offered at the strikethrough price on
05-07-2026
This product was last offered at the strikethrough price on
09-26-2026
This tube runs from the oil separator to the lower dipstick tube.
BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate.
Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.
This product was last offered at the strikethrough price on
09-15-2026
This product was last offered at the strikethrough price on
05-07-2026
