upgrade for drivers looking for added acceleration and grip for
their E46 M3.
Changing your cars gearing is one of the most
effective performance improvements you can make for the money. For
example, swapping from a 3.15 to 3.46 ratio will give your car 10%
more torque delivered to the rear wheels! All of our differentials
are limited slip units, meaning that both wheels pull - no more
wheel spin. We will exchange your current differential for a unit
built exactly to your specification. We have every ring and pinion
ratio available including extra-short Motorsport ratios.
We have 6 different types of limited slip units
available to suit your particular needs**:
REM® Ring & Pinion
polishing is available for lowering operating temps and reducing
driveline loses by reducing friction. Additional charges
$95 flat rate shipping/packaging
charge is not included in price and will be added during
processing. Core charge will be refunded upon receipt of your
rebuild-able core***. Core MUST be
received within two weeks of delivery of replacement
CLICK HERE for our gear calculator
to determine new engine speeds
**Selecting the best differential type for your
application can be a difficult task considering the amount of
ratios and limited slip carriers. Please feel free to contact your
BimmerWorld sales representative to discuss the best differential
for your application.
***The ability to rebuild the returned
differential will be decided by the differential
is a registered trademark of REM Chemicals Inc. registered in the
U.S. Patent and Trademark Office.
From John of Greendale, Wisconsin on 4/30/2013.
Had to replace the diff in my 2002 M3 which had a bad bearing. Contacted James Clay who got the ball rolling immediately. Even though Diffsonline did not have a unit ready to ship they started work on one and got it out in a few days, well before I needed it. The gearing was aligned perfectly based on the layout paint. Instructions were included for the proper lubricant and also how to break in the clutch packs. Returning the core diff was easy and my deposit was refunded in days.
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