★★★★★ 5
Good product
works well for bmw.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 21, 2026
Turbosmart OPRt40 Oil Pressure Regulator Sleeper
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Turbosmart OPRt40 Oil Pressure Regulator SleeperSKU: TS 0801 1003 UPC: 9329677022810 Turbosmart OPR40 Sleeper Oil Pressure Regulator Universal Fit The Turbosmart OPR40 Sleeper Oil Pressure Regulator replaces the factory oil pressure sender on performance vehicles with turbochargers and high revving engines. It delivers a steady 40 PSI to critical components like turbo bearings for reliable lubrication under all conditions. This universal part with 1 8 NPT threads installs directly into oil feed
Quick Dispatch:
Your Turbosmart OPRt40 Oil Pressure Regulator Sleeper orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
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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
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4.6 ★★★★★
Based on 231 reviews
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Product Reviews
★★★★★ 5
Great oil and makes my engine run quieter
I noticed the engine running much quieter using this oil. The pour mouth is pretty unique for this brand, you can just open the interior cap, pull up the accordion neck and pour into the engine which provides better control over traditional wide mouth, thus less messy. This oil rarely goes on sale and is typically 1.5x to 2x more expensive than the more common US brands.
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Reviewed in the United States on August 28, 2025
★★★★★ 5
Best synthetic oil BMW
Excellent synthetic oil BMW 328I
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Reviewed in the United States on February 6, 2026
★★★★★ 5
Last long
Love it ! Since I have a BMW this oil it’s good for it .
The Price is good . Last long . No engine noise
Or oil burning. Even the color looks good after 3 months.
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Reviewed in the United States on March 9, 2026
★★★★★ 5
Actually works on BMW!
I purchased this after the shorter black fluted tool I bought last year failed me. This thing is way better constructed, fits perfect , and actually works to turn it after you can’t turn it by hand any further. Was able to get torqued down to 25nm no problem finally with ease!
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Reviewed in the United States on November 12, 2024
