Oil Separator, Crankcase Ventilation

Compatible with BMW 3 (E46) , BMW 3 Coupe (E46) , BMW Z3 Roadster (E36) Show more info
HENGST FILTER AS821M oil separator for effective crankcase ventilation. Ensures clean air and optimal engine performance.
33.08 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (15.05.2026)
PN AS821M
Make HENGST FILTER
EAN 4030776087222

The HENGST FILTER AS821M is a high-quality oil separator designed to manage crankcase ventilation effectively. This component plays a crucial role in separating oil mist from the blow-by gases generated during engine operation. By removing oil particles before they enter the intake system or are released into the atmosphere, the AS821M helps maintain engine cleanliness and reduces emissions. This leads to improved fuel efficiency and a longer lifespan for critical engine components. Engineered for durability and performance, this HENGST FILTER separator integrates seamlessly into your vehicle's ventilation system. It is a reliable solution for maintaining optimal engine health and environmental compliance.

  • Brand: HENGST FILTER
  • Part Code: AS821M
  • Function: Oil Separator / Crankcase Ventilation
  • Separates oil mist from blow-by gases
  • Helps maintain engine cleanliness
  • Reduces emissions
  • Promotes optimal engine performance
  • Durable construction for longevity
Filter assembly
Oil separator
Length [mm]
117
Width [mm]
117
Height [mm]
178
  • BMW
    • 3 (E46)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • 320 i (110kW/150PS)
      • 330 xi (170kW/231PS)
      • 330 i (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
    • 3 Coupe (E46)
      • 323 Ci (125kW/170PS)
      • 328 Ci (142kW/193PS)
      • 320 Ci (110kW/150PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
      • 330 Ci (170kW/231PS)
    • Z3 Roadster (E36)
      • 2.0 i (110kW/150PS)
      • 3.0 i (170kW/231PS)
      • 2.2 i (125kW/170PS)
    • 3 Touring (E46)
      • 320 i (110kW/150PS)
      • 328 i (142kW/193PS)
      • 330 xi (170kW/231PS)
      • 330 i (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
    • 3 Kabriolets (E46)
      • 323 Ci (125kW/170PS)
      • 330 Ci (170kW/231PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
    • Z3 Coupe (E36)
      • 3.0 i (170kW/231PS)
    • 5 (E39)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • 5 Touring (E39)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • 3 Compact (E46)
      • 325 ti (141kW/192PS)
    • Z4 Roadster (E85)
      • 3.0 i (170kW/231PS)
      • 2.5 i (141kW/192PS)
      • 2.2 i (125kW/170PS)
    • X5 (E53)
      • 3.0 i (170kW/231PS)
    • 5 (E60)
      • 520 i (125kW/170PS)
      • 530 i (170kW/231PS)
      • 525 i (141kW/192PS)
    • 5 Touring (E61)
      • 525 i (141kW/192PS)
    • X3 (E83)
      • 3.0 i xDrive (170kW/231PS)
      • 2.5 i (141kW/192PS)
    • 7 (E65, E66, E67)
      • 730 i, Li (170kW/231PS)
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