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Description
Electric Water Pump for BMW 1, BMW 2 & BMW 3 - 405921Vehicle Fitment & Part Details The Electric Water Pump is listed for the BMW 1 (2011 2026). Pins: 4 pin. Confirm compatibility by matching the listed fitment details. Verify VIN engine. Key Details SKU 405921 Component Electric Water Pump Specs Pins: 4 pin Primary Fitment BMW 1 (2011 2026) Product Specifications B30 A ; Operating Mode Electric ; Voltage 12,5 V ; Diameter 1 40 mm ; Diameter 2 40 mm Water pump impeller material Plastic Signal type PWM ;
Vehicle Fitment & Part Details
The Electric Water Pump is listed for the BMW 1 (2011-2026). Pins: 4-pin. Confirm compatibility by matching the listed fitment details. Verify VIN/engine.
Key Details
- SKU
- 405921
- Component
- Electric Water Pump
- Specs
- Pins: 4-pin
- Primary Fitment
- BMW 1 (2011-2026)
Product Specifications
B30 A ; Operating Mode Electric ; Voltage 12,5 V ; Diameter 1 40 mm ; Diameter 2 40 mm Water pump impeller material Plastic Signal type PWM ; Supplementary Info with vibration dampers.
Vehicle Fitment
Includes 22 supplied applications covering BMW. Use the full table below to confirm model, chassis, year range, engine and power before ordering.
View Full Vehicle Fitment (22 applications)
| Make | Model | Chassis | Years | Engine | Power |
|---|---|---|---|---|---|
| BMW | 1 | F20 | 2011-2019 | M 135 i N55 B30 A | 235 kW / 320 HP |
| BMW | 1 | F21 | 2011-2026 | M 135 i N55 B30 A | 235 kW / 320 HP |
| BMW | 1 | F21 | 2011-2026 | M 135 i N55 B30 A | 240 kW / 326 HP |
| BMW | 2 Convertible | F23 | 2014-2026 | M 235 i N55 B30 A | 240 kW / 326 HP |
| BMW | 2 Coupe | F22, F87 | 2012-2026 | M 235 i N55 B30 A | 240 kW / 326 HP |
| BMW | 2 Coupe | F22, F87 | 2012-2026 | M2 N55 B30 A | 272 kW / 370 HP |
| BMW | 3 | F30, F80 | 2011-2018 | 335 i N55 B30 A | 225 kW / 306 HP |
| BMW | 3 | F30, F80 | 2011-2018 | ActiveHybrid N55 B30 A | 250 kW / 340 HP |
| BMW | 3 Touring | F31 | 2012-2019 | 335 i N55 B30 A | 225 kW / 306 HP |
| BMW | 4 Convertible | F33, F83 | 2013-2026 | 435 i N55 B30 A | 225 kW / 306 HP |
| BMW | 4 Coupe | F32, F82 | 2013-2026 | 435 i N55 B30 A | 225 kW / 306 HP |
| BMW | 4 Gran Coupe | F36 | 2014-2026 | 435 i N55 B30 A | 225 kW / 306 HP |
| BMW | 4 Gran Coupe | F36 | 2014-2026 | 435 i N55 B30 A | 250 kW / 340 HP |
| BMW | 5 | F10 | 2009-2016 | 535 i N55 B30 A | 225 kW / 306 HP |
| BMW | 5 | F10 | 2009-2016 | ActiveHybrid N55 B30 A | 250 kW / 340 HP |
| BMW | 5 Gran Turismo | F07 | 2009-2017 | 535 i N55 B30 A | 225 kW / 306 HP |
| BMW | 5 Touring | F11 | 2009-2017 | 535 i N55 B30 A | 225 kW / 306 HP |
| BMW | 6 Convertible | F12 | 2010-2018 | 640 i N55 B30 A | 235 kW / 320 HP |
| BMW | 6 Coupe | F13 | 2011-2017 | 640 i N55 B30 A | 235 kW / 320 HP |
| BMW | 6 Gran Coupe | F06 | 2012-2018 | 640 i N55 B30 A | 235 kW / 320 HP |
| BMW | X5 | F15, F85 | 2013-2018 | xDrive 35 i N55 B30 A | 225 kW / 306 HP |
| BMW | X6 | F16, F86 | 2014-2019 | xDrive 35 i N55 B30 A | 225 kW / 306 HP |
Fitment Notes
- Always match vehicle details before ordering. Verify VIN/engine.
Compatibility Verification Notes
- Confirm compatibility using VIN, engine code, chassis / platform, OE reference and original part comparison before ordering.
- Match the supplied fitment details to your vehicle, including model, year range and any listed engine or chassis information.
- Fitment data may vary by production date, market, import history and engine variant.
- This listing is for part identification and compatibility checking only. Installation must be carried out according to the vehicle manufacturer's service information by a suitably qualified person.
Common Questions
Will the Electric Water Pump fit my BMW 1?
This part (405921) is listed for the fitments shown on this page. Confirm by matching the fitment details. Verify VIN/engine.
How do I confirm fitment if there are multiple variants?
Compare the supplied fitment details, original part details and any listed variant information before ordering. Verify VIN/engine.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Baby sleeps through the night when she wears these
Size: Size 6, Unit Count: 72
I love the Huggies overnight! Can’t even tell you how many times I’ve ordered these. They’re the only diapers my daughter can wear overnight without waking up due to the diaper feeling too wet. She sleeps through the night when she wears these ones. They definitely absorb a lot and don’t have an odor as they fill up.
I always size up when I order these and have never had an issue or leaks
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
less early morning blowouts!
Size: Size 7, Unit Count: 68
As a mom of a very active toddler, finding a diaper that actually holds up overnight has been a journey. We recently switched to the Huggies Size 7 Overnites, and overall, I’m really glad we did.
First, the biggest win: way fewer blowouts. Before this, we were dealing with middle-of-the-night sheet changes more often than I’d like to admit. Since using these, that’s pretty much stopped, which alone has been a huge quality-of-life improvement for both me and my toddler.
They’re also super absorbent compared to regular diapers. My little one sleeps long stretches, and these definitely hold more overnight without feeling overly bulky or uncomfortable. The fit is snug but still flexible, which is great because he moves a lot in his sleep.
That said, they’re not 100% perfect for us. We still get the occasional small pee leak, especially if he’s had a lot to drink before bed or sleeps in certain positions. BUT—and this is important—it’s still so much better than what we were dealing with before. Instead of full outfit and bedding changes, it’s usually just slightly damp pajamas.
Overall, I’d absolutely recommend these to other parents dealing with overnight messes. They’ve significantly reduced our stress and cleanup, even if they’re not completely leak-proof for every single night.
If you’re on the fence and struggling with overnight blowouts, these are definitely worth trying.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
★★★★★ 5
Best Overnight Diapers Ever – Dry Mornings Every Time!
Size: Size 3, Unit Count: 66
These Huggies Overnites have been a total lifesaver for us! My baby used to wake up with wet pajamas almost every morning, but since switching to these, no more leaks at all. They’re super soft and gentle on the skin, and even after a full night’s sleep, they stay dry and comfortable. The fit is snug but not tight, and the stretch around the legs keeps everything secure without leaving marks.
I really like that they’re a little thicker than daytime diapers but still breathable. The absorbency is amazing — it easily lasts through 10–12 hours, even for a baby who drinks a lot before bed. They also don’t have a strong smell or weird texture like some other brands.
Honestly, these have made bedtime so much easier. No middle-of-the-night changes, no wet sheets, and a much happier baby in the morning. They’re worth every penny!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
★★★★★ 4
Great Overnight Protection With Minor Fit Issues
Size: Size 5, Unit Count: 50
These Huggies Overnites work really well for keeping my child dry through the night. They absorb a lot and significantly reduced overnight leaks compared to regular diapers. The material also feels soft and comfortable, and I like that they don’t have a strong chemical smell.
The only reason I’m giving 4 stars instead of 5 is because the fit seems slightly bulky, especially under pajamas, and occasionally the tabs don’t stay perfectly secure after a lot of movement during sleep. Overall though, they’re reliable and definitely one of the better overnight diaper options I’ve tried.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
★★★★★ 5
Good quality overnight diapers!
Size: Size 7, Unit Count: 68
Great for overnight sleep or long car rides! Good quality and helped us with no leaks overnight. Pro tip.. size up to help avoid leakage/blowouts. Highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
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