The Burger Motorsports custom billet Water/Methanol Injection (WMI) cap includes an integrated heavy-duty check valve to let much-needed air in and prevent dangerous WMI vapor/fumes and liquid from getting out!
Keep clean air running through your engine
5X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
Also called the "breather valve" or "oil separator"
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with VIN from 3B-2-000 001 through VIN 3B-2-341 000 or 3B-2E397 000 only, splits are in the 2002 model year
Brand:
ES#:
4883733
Mfg#:
077103245B
In Stock
ON SALE!
$31.99
This product was last offered at the strikethrough price on 08-31-2026
Restore engine performance
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with VIN up to 3B-1-600 000 only, split is in the 2001 model year
Brand:
ES#:
2803814
Mfg#:
058133753D
In Stock
ON SALE!
$29.99
This product was last offered at the strikethrough price on 08-31-2026
Restore engine performance
2X Entries Into Our F80 M3 Sweepstakes We Price Match - Give Us A Call or Chat! For vehicles with VIN up to 3B-1-600 000 only, split is in the 2001 model year
Brand:
ES#:
2772076
Mfg#:
058133753D
In Stock
$28.42
This product was last offered at the strikethrough price on 03-25-2026
All engine performance begins with engine breathing. That's why we have a large inventory of stock and performance intake manifolds, and related intake manifold parts, including MAF sensors, intake hoses, cold air intake systems, and engine air filters for both normally aspirated and forced induction engines. To perform it's best, your engine needs to breathe clean and breathe free.
Lifetime Replacement
