SKU: 18361191397

MFactory Helical LSD Differential BMW 5-Series E39 523i 530i AT 95-03

Sale price$492.51 Regular price$547.23
Save 10%

Pay in installments of $136.81 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MFactory Helical LSD Differential BMW 5-Series E39 523i 530i AT 95-03Gain a prominent advantage over the competition with the MFactory Helical Limited Slip Differential. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power to the ground and maximises your vehicle's traction. A must for any race car, be it Street, Strip or Track! Diamond Cut to exacting tolerances from Forged High Nickel Chromium Molybdenum Steel Perfect fitment & finish ensures hassle free

Gain a prominent advantage over the competition with the MFactory Helical Limited Slip Differential. Through the smooth and constant distribution of power to the wheels, the MFactory Helical LSD puts the power-to-the-ground and maximises your vehicle's traction. A must for any race car, be it Street, Strip or Track!

Diamond Cut to exacting tolerances from Forged High-Nickel-Chromium-Molybdenum Steel
Perfect fitment & finish ensures hassle-free installation & maintenance, each and every time

Designed using leading-edge Solidworks 3D CAD & Cosmos FEA software
Advanced Gear Geometry minimizes parasitic drivetrain losses. Race transmissions built with MFactory components transfer, on average, 1-2% more power to the ground over our competitors!

Multiple Stages Available (Honda & Mazda)
Users can choose (and upgrade) between the various Stages available, which determine the Bias Ratios. With the MFactory Helical LSD, upto 75% torque can be transferred to the one wheel! A must-have for serious road-racers

2nd Generation Design
The MFactory v2 Helical LSD is lighter, stronger and more efficient than any other Torque-Biasing Differential on the market today!

Covered by the MFactory Lifetime, Globally Transferable Warranty
Whether used on the Street, Strip or Track, all MFactory Helical LSD's come with a Lifetime, No-Hassle, Globally Transferable Warranty

No-Load/One-Wheel Syndrome
A common misconception is that a Torsen-Style Differential is useless under a no-load situation (e.g One wheel in the air). Although true to an extent, this no-load situation does not apply to the modern day car with Traction Control (or eDiff). For those without traction control, there is a very commonly used solution to the problem (used by professional race car drivers over the past 30+ years) that our competitors will not tell you; simply left-foot brake

Specifications

  • Made from imported Japanese SAE 4320 & SAE 9310 Steel
  • Forged, Double Tempered and Super Sub-Zero treated for unsurpassed toughness
  • Advanced Shot Peening technology increases surface hardness
  • Designed to withstand the extreme shock loads of competition-level Drag Racing
  • Advanced gear geometry designed using industry-leading software puts more power to the ground
  • Only the highest quality Brighton-Best Hardware is used
  • Maintenance-free Gears eliminates the need for special fluids & rebuilds associated with plate-type LSDs
  • Lock-free operation ensures no adverse affect to steering response
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: 18361191397

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 12 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
E
Verified Purchase
ElenaFox
Waukegan, US
★★★★★ 5
Good value for 12mg Astaxanthin
Size: 30 Count (Pack of 1)
Long time user of Astaxanthin so can’t say if this particular one made a difference but I can say it’s a good value compared to a majority of other brands considering you get 12mg; like most the capsules are easy to swallow. I feel like since this is Amazon’s own brand there’s less risk of receiving an imposter product as can be an issue with some brands. I suggest stocking up when there’s a promotion.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 22, 2025
M
Verified Purchase
M. R.
Louisville, US
★★★★★ 1
No difference
Size: 30 Count (Pack of 1)
I haven't seen a difference and its already been a month.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
R
Verified Purchase
rescue mom
Louisville, US
★★★★★ 5
Astaxanthin
Size: 30 Count (Pack of 1)
Just as described.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 3, 2026
A
Verified Purchase
Alberto Becerril
Dallas, US
★★★★★ 5
Excelente.
Size: 30 Count (Pack of 1)
Ando muy bien desde que las compré.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 13, 2025
D
Verified Purchase
Dennis
Port Orchard, US
★★★★★ 5
Good fiber supplement
Flavor Name: Unflavored, Size: 1.1 Pound (Pack of 1)
Good supplement, wish it came with a scoop. Sometimes there might be a “chunk” that doesn’t dissolve so you get to chew something with your drink, it happens rarely but does happen. Took a while but feel regular and easy to take if you do protein shakes everyday. No taste and mixes well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026

recommand products