Dinan
PROTECTION SOCK
SKU: D00G D401-0111
Description
Part #: D401-0111
Replacement air filter protection sock.
Features:
- Protects filter from damaging debris that could restrict air flow
- Increases service interval of your filter
- Dinan logo imprinted on sock
E36/E37/E39/E46
Fitment
Fitment Guaranteed
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on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Dinan |
| Part Number | D00G D401-0111 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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