Replace the brittle or broken line that attaches between the oil separator and air box. The Turner Silicone Crankcase Hose can be used in place of both the standard and CSL intake manifolds.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4504787
Mfg#:
018562LA01
In Stock
ON SALE!
SAVE 25%
$41.99
This product was last offered at the strikethrough price on 06-13-2026
A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box.
10X Entries Into Our F80 M3 Sweepstakes For Vehicles Fitted with a CSL Intake Plenum
Brand:
ES#:
4685366
Mfg#:
043464LA02
In Stock
ON SALE!
SAVE 20%
$178.99
This product was last offered at the strikethrough price on 06-13-2026
A combination of billet fittings and AN lines for an upgraded and serviceable crankcase vent hose. Attaches between the oil separator and the CSL air box.
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
4685682
Mfg#:
043464LA03
In Stock
ON SALE!
SAVE 20%
$177.99
This product was last offered at the strikethrough price on 06-13-2026
Perfect for repairing and replacing cracked vacuum lines - Best used with 3mm to 4mm vacuum hoses
10X Entries Into Our F80 M3 Sweepstakes
Brand:
ES#:
5445719
Mfg#:
125DBCON
Special Order: No Guaranteed ETA
ON SALE!
SAVE 59%
$12.99
This product was last offered at the strikethrough price on 03-22-2026
$5.39 USD
Lifetime Replacement
More About Engine Vacuum System Parts
Is your engine hunting for a steady idle or idling rough? You might have unmetered air entering your system due to a vacuum leak. Find it, fix it, and get back to normal with our selection of vacuum system parts.
Lifetime Replacement
