Dryalite Headlight Moisture-Fix Caps (Pair) — F30/F31 3 series 2012-2019
Dryalite absorbs humidity from the air inside your headlight. Choose your vehicle to find the right kit.
Kit: £50.00 - Available.
Fitment and specification
Dryalite® Headlight Condensation & Moisture-Fix Caps (Pair)
Fits BMW 3 Series F30/F31 (incl. LCI) — Upper / Top Headlight Access Cap Type
Replaces BMW 63117311241 (offset/uneven tab twist-lock cap)
Is your headlight fogging up? Condensation can lead to lens staining and expensive electronic damage over time. Dryalite caps use renewable silica gel to actively remove moisture from inside the lamp housing.
Benefits
- Reduces condensation & fogging
- 2-minute DIY install — twist-on, no tools
- Helps protect headlight internals from moisture exposure
- Reusable — regenerate silica packs as needed (instructions included)
Compatibility — READ BEFORE ORDERING
BMW used more than one similar-looking access cap. This listing is specifically for the cap that matches BMW part number 63117311241.
This product fits if your original upper/top access cap matches:
• BMW part number: 63117311241 (often moulded into the inside of the cap)
• Tab pattern: offset / unevenly spaced twist tabs (see photos)
Not compatible: Adaptive LED headlights.
Also not compatible with caps that have evenly spaced tabs (rare variant) — if your tabs are evenly spaced, this will not lock in correctly.
Quick check: Compare your original cap's tab layout to the photos in this listing. If possible, check the inside of your OEM cap for the part number before ordering.
What's Included
- 2 × Dryalite Moisture-Fix Caps (matches BMW 63117311241 / offset-tab pattern)
- 2 × 50 g silica gel desiccant packs
Why Dryalite?
- OEM-style sealing with precision-fit twist tabs
- Renewable desiccant — recharge in oven or microwave
- Designed for condensation-only cases (not for headlights with standing water or obvious leaks)
30-Day Money-Back Guarantee. If it doesn't match your cap type / doesn't fit as expected, return it for a full refund.
How does Dryalite reduce condensation?
Dryalite holds moisture-absorbing silica gel inside vehicle-specific headlight caps. It absorbs water vapour from the air inside the headlight, leaving less moisture available to condense on the lens.
Twist-off cap kits need no cutting or drilling. The sealed-cap F10 kit uses a different fitting method explained in its product details.
Recurring misting, not active leaks. If the headlight is cracked or has pools of water inside, Dryalite will not fix it. Repair the fault first.
Green means recharge.
Remove the silica packets, dry them until the beads turn orange, let them cool, then put them back.
30-day full-refund guarantee
If it does not help, return your kit within 30 days for a full refund.
Questions before ordering.
Will Dryalite fix every condensation problem?
No. Dryalite absorbs humidity from the air inside the headlight. It cannot repair a cracked headlight or deal with pools of water inside it.
Is the silica gel loose inside the headlight?
No. The silica packets sit securely inside the Dryalite cap, away from the bulb and reflector.
How quickly should I see a difference?
Some buyers see an improvement within hours. Allow a few days, as every headlight starts with a different amount of moisture.
How do I choose the right kit?
Choose your model above and compare the product photos with your headlight cap. Contact us if you want help checking.
Can the silica gel be reused?
Yes. Orange means ready and green means saturated. When the beads turn green, remove and dry the silica packets, let them cool fully, then refit them. Never heat the caps or seals.
Do I need to permanently modify my headlights?
Twist-off cap kits require no permanent modification. The sealed-cap F10 kit uses a different fitting method, so check its product details before ordering.
How often will the silica need recharging?
It depends on the weather and your headlight. Check the indicator beads and recharge only when they turn green.
What if Dryalite does not help?
Return the kit within 30 days for a full refund.