Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Supertech Valve Spring & Retainer Set | BMW | S42/M42/M50/S50/M52/S52/M54 (24V Kit)Super reliable valve spring kits highest quality, and always the best price! Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control. Supertech Retainers are manufactured with high quality military
Super reliable valve spring kits - highest quality, and always the best price! Supertech performance valve springs are made with premium Superclean Chrome Silicon Vanadium Steel Alloy for higher performance and durability. Computer designed to ensure that wire stress levels do not overpass the limits for long durability under extreme conditions and harmonics are well under control. Supertech Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for a tight fit that will ensure a long durability.Specs:
- TYPE: Dual Spring
- PRESS.SEAT: 80 @35.70mm
- MAX LIFT: 14.50mm
- COIL BIND: 20.70mm
- RATE: 11.50 lbs/mm
- RETAINER: RET-AU5VE/T1
- SEAT LOCATOR : SEAT-BM60
- SPRING : SPR-H1000D-BM
Fits:
M52TU |
||||||||
ROADSTER |
2.8 |
M52TU |
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M ROADSTER |
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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
4.8 ★★★★★
Based on 779 reviews
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Product Reviews
★★★★★ 5
More comfortable than flats!
Size: 8.5, Color: Bay Fog
I love these sandals! They run true to size, and they’re sooo comfortable. I was worried about getting fakes, but these were the real deal. The color is lovely (light purple). The foot bed can get dirty, but I find them to wash up nicely (by hand, not machine). I have purchased two more colors since! So much better than flats!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 9, 2025
★★★★★ 5
Comfy dual-mode sandals
Cute, quite comfy to walk in and love the support of the heel strap! It is not as comfy if using in slipper mode because the straps don’t keep your foot tight enough. I am usually a 8.5 but it runs slightly small so I switched up to a 9.
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Reviewed in the United States on June 25, 2025
★★★★★ 4
More blue than purple
Size: 4.5 Toddler, Color: Celeste
Not the same color as shown. The color is more blue
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Reviewed in the United States on May 5, 2025
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Not stiff or tight…
Size: 13.5 Little Kid, Color: Turquoise/Multi
My niece loved them. So many of the slips in shoes are too stiff and tight, this one was easy on, not stiff or tight, just perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
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