BMW 3 Series E46 (1999-2005)

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Crankcase Pressure Regulator Valve
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Hengst - Corporate Logo
T#:22064591
Part#: AS830M
Ships on Aug 13, 2026
Sale - Save 27% $ 35.99

This product was last offered at the strikethrough price on
05-03-2026

$ 26.31 USD
Free Shipping on orders $49 and up
Sale - Save 27%
$ 35.99

This product was last offered at the strikethrough price on
05-03-2026

$ 26.31 USD
Free Shipping on orders $49 and up
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 all the components of the oil separator system together 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.
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ACM - Corporate Logo
T#:361824
Part#: 64508390602
In Stock
Sale - Save 57% $ 3.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 1.73 USD
Free Shipping on orders $49 and up
Sale - Save 57%
$ 3.99

This product was last offered at the strikethrough price on
05-07-2026

$ 1.73 USD
Free Shipping on orders $49 and up
Diameter is 11.1MM
SACHS Performance - Corporate Logo
T#:393829
Part#: 881864999517
In Stock
Sale - Save 63% $ 499.00

This product was last offered at the strikethrough price on
05-03-2026

$ 182.97 USD
Free Shipping
Sale - Save 63%
$ 499.00

This product was last offered at the strikethrough price on
05-03-2026

$ 182.97 USD
Free Shipping

Looking to upgrade your clutch disc? This Sachs Performance clutch disc is a great option. Allowing for higher torque and horsepower, this disc is perfect for aggressive track applications such as endurance racing, clubsport, autocross, hill climbing and 1/4 mile racing.

Sachs Performance is the racing and performance oriented selection of high quality parts from Sachs and ZF Engineering. Supplying countless brands with OE parts and offering one of the widest selection of OEM replacement parts, they are known for their exceptionally high quality products. You can purchase these performance parts with confidence, knowing they will resist heavy wear and tear for much longer than most other aftermarket options.

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Beru - Corporate Logo
T#:338884
Part#: FGR-6DDU
Back Ordered
Sale - Save 17% $ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
Sale - Save 17%
$ 23.99

This product was last offered at the strikethrough price on
05-14-2026

Starting at $ 20.00 USD
Free Shipping on orders $49 and up
RACING SPARK PLUG FOR M50/M52/M54 ENGINES
These spark plugs are recommended by BMW Motorsport for use in their DTC racing engines. We find a slight horsepower increase and greatly increased durability over the OEM road car spark plugs in competition use. We attribute the improvements to the fact that these spark plugs are designed for the high temperatures and cylinder pressures encountered in a racing engine. These spark plugs are a direct replacement and come pre-gapped just like the factory road car plugs.
Please note: these plugs are not for the S54 engine in the E46 M3, MZ3, or Z4 M
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