Budget
The lowest price in this list
Compare BMW 1 E81 crankcase ventilation oil separator from trusted brands — check fitment by engine
5 parts available for BMW 1 E81
By price and quality, from the parts for BMW 1 E81.
Budget
The lowest price in this list
Our recommendation
Standard
A balance of price and quality
HENGST FILTER AS825M
Premium
A top-tier choice
ESEN SKV 31SKV043
In stock
Last one! Only 1 left
Last one! Only 1 left
Only 2 left!
In stock
5 of 5
Finding the right crankcase ventilation oil separator for your BMW 1 E81 is essential for safe and reliable driving. We stock 5+ options from 4+ trusted brands, all with TecDoc-verified fitment for your specific vehicle.
When choosing crankcase ventilation oil separator for your BMW 1 E81, consider factors like OEM vs aftermarket quality, material specifications, and your driving conditions. OEM parts match original specifications exactly, while premium aftermarket brands like Bosch, TRW, and Febi Bilstein often offer comparable quality at lower prices.
All crankcase ventilation oil separator listed on this page are confirmed compatible with BMW 1 E81. Our fitment data is sourced from TecDoc, the industry-standard European automotive parts database. If you are unsure about compatibility, check the OE part number on your existing component and use our cross-reference search.
5 options from 4 brands fit the BMW 1 E81. 5 are in stock.
Prices run from £39.99 to £53.99. The cheapest one in stock costs £39.99.
HENGST FILTER (2 in stock, from £44.99), ERA (1 in stock, from £39.99) and VAICO (1 in stock, from £43.99).
Yes. No part fits all 7 engine and model-year versions, so choose your engine to see the ones that fit.
Common original equipment numbers linked to replacement-part pages.