If provided, we'll verify fitment before your order ships and contact you if the selected part is incompatible. Enter your VIN, then add the product to your cart.
Free Shipping!
Product details
Part NameOxygen Sensor
PositionUpstream
BrandWalker Products
Part Number250-25131
UPC00724620129803
Estimate Delivery Date
Have Questions?
Ask our experts via Live Chat at the bottom right corner of this page.
If your vehicle is listed on the fitment table below, the product will fit your car - we guarantee it. All you need to do is to ensure that the vehicle's Year, Make, Model, Trim, and any other notes specified inside the fitment table are respected.
Coating prevents contamination and erosion of the electrode surfaces by combustion residue and particulates in the exhaust gases.
Coated in with electrodes made of a gas-permeable platinum layer.
Determines the oxygen content of the exhaust gas, monitoring the air fuel ratio for combustion efficiency.
Monitors exhaust gases and reduces pollutants for a cleaner environment.
Measures oxygen levels to fine-tune air-fuel mixture, improving fuel economy and saving costs.
Some of the interchangeable part numbers are:
Customer Video Reviews
Watch genuine customer videos showing their upgrades and honest results of similar products
Fitment Table
This product is compatible with these vehicles:
Year
Make
Model
Notes
Position
2021
BMW
230i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2021
BMW
230i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2021
BMW
X3
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
Upstream
2021
BMW
X4
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
Upstream
2020
BMW
230i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
230i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
430i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
430i Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
430i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
430i xDrive Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
530e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
530e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
530i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
530i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2020
BMW
X3
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
Upstream
2020
BMW
X4
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
Upstream
2019
BMW
230i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
230i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
330i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
330i GT xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
330i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
430i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
430i Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
430i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
430i xDrive Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
530e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
530e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
530i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
530i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
740e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
X3
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2019
BMW
X4
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
230i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
230i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
330e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
330i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
330i GT xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
330i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
430i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
430i Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
430i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
430i xDrive Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
530e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
530e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
530i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
530i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
740e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2018
BMW
X3
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
230i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
230i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
330e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
330i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
330i GT xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
330i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
430i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
430i Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
430i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
430i xDrive Gran Coupe
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
530i
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
530i xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2017
BMW
740e xDrive
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
2016
BMW
330e
2.0L
Inline engine
4 cylinders
3.23" bore
3.72" stroke
B1S1
Upstream
See what other customers say:
Customer Reviews
Overall rating: 4.9 / 5 from 594 reviews.
I love PartsPioneer. The rear-wheel Positive Plus pads and Genius rotors fit perfectly on my 2019 Subaru Forester. Excellent quality at a fair price. Highly recommended.
Thanks for catching an error in my order and righting it for me, complete with email to say so! This … is what customer service head and shoulders above, looks like !! Well done all !!
Service was great, appreciated the phone call to confirm the vehicle. Parts arrived quick. OEM fit. Will be ordering brakes as you can see by the picture. Very impressed.
I have bought this rotor on part pioneer for my Q3 and installed and used for over a week, they are amazing no squeaks no noises brakes have improved 110%. This rotors are the best so far I’ve always bought rotors and used in all three of my cars and so far these ones are the best that I have ever bought.
Thanks
Renato
Awesome parts, for a great deal, and the customer service is second to none, always willing to help, and they double check fitment to ensure you always get the right parts! Will definitely be ordering again.