A cracked or poorly sealing oil filler cap is one of the most common causes of oil vapour leaks and contamination in BMW engines — and it’s one of the easiest fixes in your garage. This genuine-spec replacement oil filler cap for BMW 1 Series, 3 Series, 5 Series, and compatible MINI models restores a factory-tight seal on the valve cover, preventing oil mist and keeping the engine bay clean. Direct replacement for OEM part# 11128655331.
Compatible across a wide range of BMW chassis including E87, F20/F21 (1 Series), E90/E91/F30 (3 Series), E60/F10/F11 (5 Series), and several MINI platforms. If your existing cap is stiff, cracked, or leaking oil vapour — this is the fix.
Features
- Direct OEM replacement (Part# 11128655331 / 8655331)
- Precision-molded for a factory-fit seal
- Resistant to engine heat and oil exposure
- Prevents oil contamination and leaks
- Lightweight: 0.066 kg
Compatible Models
| Series | Chassis Code | Years |
|---|---|---|
| BMW 1 Series | E87 | 2004–2011 |
| BMW 1 Series | F20 / F21 | 2011–2019 |
| BMW 3 Series | E90 / E91 | 2005–2012 |
| BMW 3 Series | F30 | 2012–2019 |
| BMW 5 Series | E60 | 2003–2010 |
| BMW 5 Series | F10 / F11 | 2010–2017 |
| MINI | Various | 2000–2015 |
Specifications
- OEM Part Numbers: 11128655331, 8655331
- Dimensions: 70mm × 70mm × 30mm
- Weight: 66g
- Brand: APKTNKA
- Condition: New
Ships to Canada with tracking.
Ron H. –
Good quality oil cap. Fits the N52 thread perfectly. Seals well. Good value.
Fred B. –
Perfect OEM spec cap. Seals well with no vibration or rattling at all. Great product.
Alf T. –
Good replacement cap. Correct thread pitch for the N55. Fits and seals well. Good value.
Len R. –
Exactly the right cap for my E46. Seals perfectly with no leaks. Good quality plastic.
Scott M. –
Exact replacement. Clicked into place perfectly on my E90. Looks and feels OEM.
Bob T. –
Exact replacement for my E90. Clicks in perfectly. No oil smell. OEM quality.
Bert M. –
OEM quality cap. Fits my E90 perfectly. Solid plastic and good seal. Will buy again.
Brian K. –
OEM quality oil filler cap. Fits perfectly and the seal is solid. No more rattling or vibration.
Reg B. –
Excellent oil cap. Perfect fit on my F20 and the seal is rock solid. Very happy.
Don S. –
Perfect fit on my F30 N20. The seal is solid. No vibration or oil smell. Very good.