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IMS Retrofit Kits

Single Row Pro IMS Retrofit Kit for MY00-05. Requires tool 106-08.22.

More info on LN Engineering's Prop 65 policy

Single Row Pro IMS Retrofit Kit for MY00-05. Requires tool 106-08.22.


In stock

SKU: 106-08.2.2

The First. The Original.

The IMS Retrofit is a registered trademark of LN Engineering LLC and the original ceramic hybrid ball-bearing replacement for the M96/M97 engine - the only one trusted by hundreds of independent mechanics and used by dealerships worldwide.

Problem: IMS Failure. Solution: IMS Retrofit.

Why do IMS bearings fail?

  • Lack of lubrication (sealed bearing was used)

  • Insufficient load capacity (factory single row bearing had high failure rate of 8% according to the Eisen class action lawsuit)

  • The factory did not supply a service interval, replacement, or tools for changing the original bearing out – bearing should have had a service interval!

IMS Retrofit as a preventative maintenance:

  • IMS replacement takes an average of 10-14 hours.

  • Typically coupled with clutch and other maintenance.

  • Engine rebuilds take 60+ hours and can cost tens of thousands of dollars.

  • Engines must be pre-qualified prior to bearing replacement.

What factory bearing does my engine have?

  • 1997-1999: This engine featured a dual row bearing IMS

  • 2000-2001: These engines came from the factory with either a dual row or a single row bearing IMS

  • 2002-2005: This engine featured a single row bearing IMS. Some late production 2005 models will have a non-servicable IMS.

  • 2006-2008: These engines were fitted with a larger bearing that is not serviceable without a complete teardown of the engine.

  • If the engine in your car has been replaced, it will have whatever IMS bearing was in production for that model year of manufacture for the replacement engine.

All other bearing replacements are just imitations.

  • All genuine LN IMS Retrofit kits come laser etched, engraved, and serial numbered to validate their authenticity and feature custom-made, ceramic hybrid ball bearings made exclusively for LN Engineering.


Warranty requires registration and compliance with program requirements. For more information and application guidelines please visit IMS Retrofit website

Download Single Row Pro IMS Retrofit Installation Instructions.

Make sure you have proper tools for installation!

Visit IMS Retrofit Installation Tools section for more information.

This product requires: 106-08.13 IMS Pro Tool Kit and 106-08.22 Faultless Tools™ IMS Tool Kit

NEW: Installation tools rental - click here for details.




Two rows are always better than one. What if you could put a dual row ball bearing in the place of a single row one? Now you can. Introducing the Single Row Pro IMS Retrofit Kit.

With half the load capacity, it is clear to see that the reduced load capacity of the single row IMS bearing is a significant contributing factor to the increased number of failures. Logic would dictate the solution is to reduce the load or redesign using a bearing with more load capacity. Since we can’t lower the load capacity, installation of a dual row ball bearing is the logical evolution for the IMS Retrofit.

Years in the making and developed simultaneously to the IMS Solution, the second generation, patent pending, single-row Pro IMS Retrofit provides an angular contact, dual row ceramic hybrid ball-bearing with 90% more load capacity and like all previous IMS Retrofit kits, additional benefits include reduced wear and longer service life provided by the ceramic hybrid bearing employed by the IMS Retrofit kit.

Make sure you have proper tools for installation. Visit IMS Retrofit Installation Tools section



IMS Pro Tool Kit 
 Supplemental Tool Kit 
M96 Faultess Tools IMS Tool Kit


 - Required - Recommended


Additional Information

Brand IMSR

Important Seller's Note

The Seller, hereby expressly disclaims all warranties either express or implied, including any implied warranty of merchantability or fitness for a particular purpose, and neither assumes nor authorizes any other person to assume for it any liability in connection with the sale of this part(s) and/or service. Buyer shall not be entitled to recover any consequential damages, damages to property, damages for loss of use, loss of time, loss of profits, or income, or any other incidental damages. In addition, expressly excluded is any liability for defects pertaining to safety or performance, by way of ‘‘strict liability’’, negligence or otherwise. In the event of non-payment, the Buyer agrees that the costs of collection including court cost, and reasonable attorney’s fees, shall be recoverable from the Buyer. The Buyer has read and with any transaction, agrees to all of the terms and conditions in connection with the Seller.

Terms: All Returns/Exchanges Require Written or Verbal Pre-Authorization and RMA Number. • Positively No Exchanges Without This Invoice. • No Refunds On Opened Packages Or Used Parts. • Items Returned Must Be In Original Packaging. • No Refunds On Special Orders. • No Return On IMS Parts.• No Refunds After 30 Days. • 25% Handling Charge On All Returned Items. • No Returns On Electrical Parts. • Refund On Purchases Paid By Check Are Refunded After Check Clears.• Any Damage Must Be Reported to the Shipper and LN within 24 Hours of Receipt.

By continuing with your purchase and completing the checkout process you acknowledge and agree with Sales Terms and Conditions.

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Questions or comments? Feel free to contact us before ordering. Open a service ticket, call 815.472.2939 or email