Achilles Motorsports - Upgraded Oil Pump Shaft Kit - BMW M50, M52, S50, S52Us (11-AM-UOPSK)
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Achilles Motorsports - Upgraded Oil Pump Shaft Kit - BMW M50, M52, S50, S52Us (11-AM-UOPSK)

Vendor: Achilles Motorsports

Available: In stock

SKU: Achilles Motorsports-11-AM-UOPSK

$182.50

After witnessing countless instances of the oil pump shaft shearing off or splines stripping and oil pump nuts falling off or coming loose, all of which result in instant loss...
 
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After witnessing countless instances of the oil pump shaft shearing off or splines stripping and oil pump nuts falling off or coming loose, all of which result in instant loss of oil pressure, we decided to develop solution. Don't let your oil pump leave you stuck with costly engine repairs or even worse!

Now included at no additional charge is our EDM Drilled Grade 8 Bolt and piece of safety wire to lay your worries to rest for good!
The ULTIMATE SOLUTION for your M50 M52 S50S52 engine offered only by Achilles Motorsports.

Key Features
  • Hardened chromoly centerless ground shaft
  • EDM Drilled Bolt with a piece of safety wire included
  • Grade 8 extended length hardware to secure the gear to shaft
  • Left hand threaded to prevent it from unexpectedly coming loose
  • Double-D keyed shaft and drive gear
  • 100% serviceable & rebuildable without the need for grinding.
Pre-Pressed Option
  • We offer the pre-pressed option as a way to make it easier for you to install the Upgraded Oil Pump Shaft kit yourself. In the upgrade we include a new Genuine BMW Inner Rotor pre-installed on our Achilles Motorsports Upgraded Shaft so you all you have to do is remove the old assembly and drop this one right in! No more worries about paying a shop to press it in for you or ensuring you've got the right dimensions!
Fits the Following Vehicles & Engines
  • 1995 - 1999 BMW E36 M3
  • 1992 - 1998 BMW E36 323i, 325i, 325is, 328i, 328is Coupe, Convertible, Sedan
  • 1991 - 1995 BMW E34 5 Series - 525i, 525i wagon (M50 Engine)
  • 1996 - 2000 BMW Z3 2.5, 2.8 Coupe, Roadster(M52 Engine) Coupe, Roadster
  • 1998 - 2000 BMW Z3M M Coupe M Roadster (S52 Engine)
  • BMW M50
  • BMW M52
  • BMW S50
  • BMW S52US
Tech Tip
  • At the same time, while the oil pan is removed we recommend to install our Achilles Motorsports Oil Pan Baffle, if not already installed.
  • Also recommended is the installation of our Achilles Motorsports Reinforced Oil Pick-up Tube. After several years of racing with these engines(M50/M52/S50/S52us) we found out the harsh vibration and harmonics due to stiffer engine and transmission mounts can also lead to the cracking of the oil pickup tube. The cracks develop at the end of the suction tube allowing the oil pump to suck air creating an instant loss of oil pressure! We developed a reinforcement kit to prevent these sort of issues. We also sell the modified/reinforced tube.
BMW E36 Oil Pump & Pickup Tube Failures & Upgrades

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