BMW E9X & E8X Bucketed Performance Fuel Pump (Stage 2, 3, 4) - 1M, 128i, 135i, 328i, 330i, 335i, X1
SKU: 47354374890

BMW E9X & E8X Bucketed Performance Fuel Pump (Stage 2, 3, 4) - 1M, 128i, 135i, 328i, 330i, 335i, X1

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Description

BMW E9X & E8X Bucketed Performance Fuel Pump (Stage 2, 3, 4) - 1M, 128i, 135i, 328i, 330i, 335i, X1Precision Raceworks BMW E9x E8x Bucketed Low Pressure Performance Fuel Pump for BMW 1M, 128i, 135i, 328i, 330i, 335i, X1 are designed for customers looking to run all blends of E85. All pump options below include Genuine Walbro 450 (F90000274), Walbro 525 (F90000285), or Walbro 535 (F90000295) fuel pump(s) capable of flowing up to 350% more fuel than the factory fuel pump, and all options are 100% E85 compliant. Stage Options Stage 2 (2. 6 liters per

Precision Raceworks BMW E9x/E8x Bucketed Low Pressure Performance Fuel Pump for BMW 1M, 128i, 135i, 328i, 330i, 335i, X1 are designed for customers looking to run all blends of E85. All pump options below include Genuine Walbro 450 (F90000274), Walbro 525 (F90000285), or Walbro 535 (F90000295) fuel pump(s) capable of flowing up to 350% more fuel than the factory fuel pump, and all options are 100% E85 compliant.

Stage Options

  • Stage 2 (2.6 liters per minute): Our Stage 2 bucketed fuel pump comes with a single Walbro 450 (F90000274) fuel pump. This pump can support up to 575whp (Rated for 500whp on 100% E85) and is ready to grow with you as your needs demand. Unlike other manufacturers, we are the only company featuring a bucketed kit with a modular design. This means you can purchase our Stage 3 pump module or Stage 3.5 module and upgrade our pumps as your needs change.

  • Stage 2.5 v2 (3.9 liters per minute): Our Stage 2.5 v2 bucketed fuel pump comes with a single Walbro 535 (F90000295) fuel pump. This pump can support up to 650whp (Rated for 550whp on 100% E85) and is ready to grow with you as your needs demand. Unlike other manufacturers, we are the only company featuring a bucketed kit with a modular design. This means you can purchase our Stage 3 pump module or Stage 3.5 module and upgrade our pumps as your needs change.

  • Stage 3 (5.65 liters per minute): Our Stage 3 bucketed fuel pump includes all necessary wiring and pump activation switch (Hobbs switch). This pump boasts dual Walbro 450 (F90000274) fuel pumps and can support up to 1000whp (Rated for 875whp on 100% E85) and is ready to grow with you as your needs demand. With a modular plug-and-play design, this kit can be upgraded with our Stage 3.5 or Stage 4 module and have everything you need to match your future horsepower goals.

  • Stage 3.5 (6.8 liters per minute): Our Stage 3.5 bucketed fuel pump includes all necessary wiring and pump activation switch (Hobbs switch). This pump boasts a Walbro 450 (F90000274) and a Walbro 525 (F90000285), which offers maximum flow without costly pump controllers. This pump can support up to 1,100whp (Rated for 950whp on 100% E85) and is ready to grow with you as your needs demand. With a modular plug-and-play design, this kit can be upgraded with our Stage 3.5 or Stage 4 module and have everything you need to match your future horsepower goals.

  • Stage 3.75 v2 (7.9 liters per minute): Our Stage 3.75 bucketed fuel pump includes all necessary wiring and pump activation switch (Hobbs switch). This pump boasts a Walbro 535 (F90000295) primary pump and a Walbro 525 (F90000285) secondary pump, offering maximum flow. This pump can support up to 1,150whp (Rated for 975whp on 100% E85) and is ready to grow with you as your needs demand. With a modular plug-and-play design, this kit can be upgraded with our Stage 4 module and have everything you need to match your future horsepower goals.

  • Stage 4 (over 8 liters per minute): Our Stage 4 bucketed/bucketless hybrid fuel pump includes all necessary wiring and pump activation switch (Hobbs switch). This pump boasts dual Walbro 450 (F90000274) fuel pumps in bucket and a third Walbro 450 (F90000274) fuel pump outside the bucket. This pump can support OVER 1,300whp (Rated for 1150whp on 100% E85), making it capable of handling anything you can throw at it!

Differences from Non-Modular Pump:

Simply put, this kit is upgradeable from Stage 2 to Stage 3, and all the way up to Stage 4! If you are currently just starting on building your E9x or E8x and don't want to buy the pump you need for the future now, you can purchase what you need now, and then upgrade it with a pump upgrade module! If you are looking for a lower cost solution that still retains the factory Venturi's, then consider our Non-Modular Fuel Pump.

Assembly Options

  • Kit Only: Our design was targeted to remove the need for sending your fuel pump assembly in for modification. Following the provided instructions, the average home mechanic can assemble and install our kit. This means less downtime and a great reduction in both assembly & shipping costs. Best of all, you end up with your pump in the condition it was in when you pulled it from the car, avoiding the risk of getting a housing back that is in poor condition. Install is easy—there is no guesswork on engagement and sealing of O-ring or complications and risks from tightening clamps that can poke holes in critical plastic components nearby.

  • New Build (Fully Assembled): If you prefer to have someone else do the work, we are here for you. We offer 100% new builds—please allow 2-3 business days for assembly. This option is great for customers who plan to have a shop do the work. For about the same price you will pay in labor at the shop for assembly, you get an already assembled unit ready to drop right in. So if you are looking for a 100% assembled drop-in ready solution, this is the choice for you!

While all bucketless fuel pumps flow .2gpm more than a bucket design that retains the venturi, it comes at a cost. Bucketless pumps should not be driven on tanks lower than ¼ full and should not be used for road course racing. This is not a disadvantage of only bucketless designs but also a disadvantage for any bucket design which deletes the venturi. If you do not plan on road course racing (not street racing) and are responsible at maintaining ¼ tank of fuel during spirited driving, bucketless pumps can be a cheaper alternative for you.

Specifications

  • Factory BMW Pump

  • Pump flow 72psi (5bar): XXX GPM

  • Pump Weight:

  • Horsepower Supported Pump Gas:

  • Horsepower Supported 100% E85: NOT COMPATIBLE

  • Stage 2:

    • Pump flow 72psi (5bar): 0.7 GPM / 2.6 LPM
    • Pump Weight: 3.98 lbs
    • Horsepower Supported Pump Gas: 575
    • Horsepower Supported 100% E85: 500
    • Aftermarket EKP Required: No

  • Stage 2.5 v2:

    • Pump flow 72psi (5bar): 1.0 GPM / 3.9 LPM
    • Pump Weight: 3.98 lbs
    • Horsepower Supported Pump Gas: 650
    • Horsepower Supported 100% E85: 550
    • Aftermarket EKP Required: No

  • Stage 3:

    • Pump flow 72psi (5bar): 1.5 GPM / 5.65 LPM
    • Pump Weight: 8.68 lbs
    • Horsepower Supported Pump Gas: 1,000*
    • Horsepower Supported 100% E85: 850*
    • Aftermarket EKP Required: No

  • Stage 3.5:

    • Pump flow 72psi (5bar): 1.69 GPM / 6.4 LPM
    • Pump Weight: 8.68 lbs
    • Horsepower Supported Pump Gas: 1,100*
    • Horsepower Supported 100% E85: 950*
    • Aftermarket EKP Required: No

  • Stage 3.75 v2:

    • Pump flow 72psi (5bar): 1.92 GPM / 7.3 LPM
    • Pump Weight: 8.68 lbs
    • Horsepower Supported Pump Gas: 1,150*
    • Horsepower Supported 100% E85: 975*
    • Aftermarket EKP Required: No

  • Stage 4:

    • Pump flow 72psi (5bar): XXX GPM
    • Pump Weight: 9.59 lbs
    • Horsepower Supported Pump Gas: 1,300+*
    • Horsepower Supported 100% E85: 1,150+*
    • Aftermarket EKP Required: No

Fitment

  • BMW 1 Series M (2011)
  • BMW 128i (2008 to 2013)
  • BMW 135i (2008 to 2013)
  • BMW 135is (2013)
  • BMW 323i (2007 to 2011)
  • BMW 325i (2006)
  • BMW 325xi (2006)
  • BMW 328i (2007 to 2013)
  • BMW 328i Xdrive (2009 to 2013)
  • BMW 328xi (2007 to 2008)
  • BMW 330i (2006)
  • BMW 330xi (2006)
  • BMW 335i (2007 to 2013)
  • BMW 335i Xdrive (2009 to 2011)
  • BMW 335is (2011 to 2013)
  • BMW 335xi (2007 to 2010)
  • BMW X1 (2012 to 2015)

Elevate your BMW's performance today with the Precision Raceworks E9x/E8x Low Pressure Bucketed Fuel Pumps, tailored for optimal efficiency and maximum horsepower potential!

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 47354374890

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Product Reviews
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Charlow
Waukegan, US
★★★★★ 3
Glow in the Dark Balls
Color: 2-Pack (3" Balls)
These balls are ok, not great. The reason they didn’t receive 5 stars is because they are hard/stiff, harder to throw & heavier than the the “Chuck It” glow in the dark balls. They did not hold up to heavy chewers as well as the aforementioned balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
T
Verified Purchase
TailoredBohemian
Waukegan, US
★★★★★ 5
Awesome quality balls -- my dog loves them!
Color: F) 3-Pack (2.5" Balls)
Love this 3 ball set and variety and quality. These are the 2.5" size, similar to a tennis ball size give or take. The fun citron yellow one is the thickest + heaviest, very bouncy, and tough. The blue is still tough but not as thick or bouncy, a bit more flexible. And the clearish one is the lightest/flexible and is glow in the dark [although we haven't tried that part yet]. I have a 7month old 40lb girl who is becoming like a power chewer on some things -- but hasn't done that with these. She can play, mouth them, chew them, not even one knick or anything. Yes! The citron and blue one we leave out all the time in her little toy box. They have holes in the middle and have used them to hold thinner bully sticks and other treats. The blue one is fun to put smaller treats inside that she can work out like a puzzle. Obviously they are fun for fetch! We leave the other up and only get out when we can play with her because label said it is not a chew toy so we didn't want to take chances. Overall super fun and cool and good quality, human and dog approved LoL. ***We ordered the 2 set of 4" balls, blue and purple [they are same consistency of the blue ball] and love these too! Very fun and good at using with treats the sticks too, plus these don't get lost under sofas and furniture like the smaller ones, a big plus.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 28, 2025
L
Verified Purchase
lcca exchange
Birmingham, US
★★★★★ 5
Glow and play - pups favorite!
Color: A) 2-Pack (2.5" Balls)
I can't say enough good things about this glowing fetch ball! It's perfect for outdoor play at night—my dog loves chasing it in the dark, and the bright glow keeps the fun going even after sunset. What really impresses me is the quality; this ball has withstood my pup's enthusiastic chewing (and believe me, he can demolish a regular ball in seconds). It’s durable and built to last, making it a fantastic investment for any dog owner. If you're looking for a fun nighttime activity, this glowing fetch ball is a must-have!
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Reviewed in the United States on January 15, 2026
A
Verified Purchase
Addie
Lexington, US
★★★★★ 5
My Dogs Favorite for throwing
Color: D) 2-Pack Lattice (3.25" Balls), Color: D) 2-Pack Lattice (3.25" Balls)
We brought our new adoptee home end of July, and I quickly had to find him replacements for his tennis balls because those balls are inherently abrasive and our yard has sand which gets in the fuzz and makes them extra abrasive and they were already causing tooth wear (our previous shepherd chewed tennis balls like gum for a week after his adoption, wore his teeth tips enough I noticed and I took them from him too but this guy didn't like the hand me down replacement, it was too big for his preference so I had to hunt down different ones for the current dog). I tried the glow in the dark Chuk It ones, but he doesn't like to carry them, or the smaller regular chukits... My current dog prefers these web style ones. I like glow in the dark stuff and it makes them easier to find in the evening or over night (if you have night adjusted eyes and not a lot of lights in the yard these are VERY glowy at night). Now I know he likes them I am thinking winter is coming and I may lose the glow color in the Michigan snow, so I'm here to order some in some in non snow camouflage because I want to be able to play in the winter without as much groping for hiding balls (literally he will chase and then snub any other balls in the yard I throw except the huge jolly ball but that isn't a fetch type ball, its a thrash toy. these are the only ones he will actually return for me to swap and throw indefinitely). I included video and a picture of them at the local beach. They float with enough above the water for maybe a few ants to use them as a flotation device, but take a bit of time to come to the surface when they splash down. I think brighter colors will help make them easier to find in the water as well as the snow. I think my dog likes them because the webbing design makes it easier to grip, even when slobbery his teeth can get a hold in the gaps (so can fingers haha) without slipping too badly. They also compress almost flat and boing back into shape and seem to be durable over at least 6 weeks of summer living in the yard, so far so good. They don't have a huge amount of mass so they don't whip super far but if you get a technique down you can get very reasonable distance on throws. He doesn't gnaw on them, so I can't speak to resistance to actual shearing attempts with teeth, just grab and chomp for fun, then holding in his mouth. My dog weighs about 68 lbs (we are trying to gain a bit), he is a German Shepherd, and this size fits him well (can't remember which size I got but usually Amazon shows what size the reviewer got near the title of the review. They're big enough I'm not worried he will accidentally swallow or choke on them, small enough his mouth fits them comfortably, his grip is secure because of the gaps, and he loves them. I suggest get two at least unless your pooch is super good about dropping it and letting you pick it up. With two, I can whip a ball, find the one he just dropped, and by the time he is back, I have the other one in hand. He knows I won't throw it unless he drops the one he just returned (I will wait for him to remember this), and this makes it way easier to play thow and bring it almost back (he often drops it at speed when he is nearly back to me so it rolls past me) without playing chase me for the toy... and makes reinforcing Drop It as an safe thing to do, like he isn't going to lose out if he drops the fun ball in his mouth, I have the second ball to mark (say YES!!! when he drops it) and immediately reward by throwing the ball I already had... he loves them enough that he thinks other balls are stupid so I don't want to throw a less cool ball to exchange for the cool ones haha Anyway hope this was helpful, Im off to order some of these balls in brighter colors for lake and snow visibility.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 20, 2024
M
Verified Purchase
Mark H. in the Garage
Charlottesville, US
★★★★★ 4
Fun Glow Balls for Night Play, Great Value
Color: A) 2-Pack (2.5" Balls)
The Chew King 2 Piece Glowing Fetch Balls are a solid, budget-friendly alternative to Chuck-It glow balls. While my pups prefer the mouth feel of the Chuck-It balls, these still provide bright, visible fun for dusk or nighttime play, and can even be used indoors with a flashlight to get the game going. Durable, glowing, and engaging—a good option for evening fetch sessions which always insures that our pups get a great night of rest.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026

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