Audi*Volkswagen*Porsche*BMW*Mercedes

Professionally Rebuilt Differentials, Sales & Service

Precision rebuild service

Have your Cayenne, Touareg, Q7, BMW or Mercedes differential rebuilt to factory specification to quiet that noisy differential hum!

Roll the dice on a used differential…or have your original differential rebuilt for a comparable price.

PSA: My form submissions were going to spam and I missed many of them. If you submitted an inquiry and didn’t hear back, please submit/call/email again and I will get back to you. This has been happening since June! I am so sorry, we are still in business and eagerly awaiting more rebuilds. The glitch has been fixed. Again, sincere apologies.

Cayenne * Touareg * Q7

Cayenne Diff Failure

BMW X-Drive

Rear Differentials

Check out some videos below!

Spinning pinon by hand may be difficult after rebuild!

Remove axle stubs

Custom Services

Typical BMW Failure

Differential Removal and Install Procedure

BMW Pinion Rotational Preload

Another Cayenne Differential Failure

Contact The Diffman

Please contact The Diffman to schedule your service.