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VAC Performance Built Rear Differentials, BMW M3 (E46)

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$1,350.00

Quick Overview

VAC Performance Rear Differentials are built to last with the highest quality components, procedures, and technical expertise.

Before we were building BMW’s, we were building differentials… for 50 years!

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Description

VAC Performance Rear Differentials are built to last with the highest quality components, procedures, and technical expertise.

Before we were building BMW’s, we were building differentials… for 50 years!

Your E46 M3 can benefit greatly in performance from our upgraded high performance differentials.

For the street, our two most popular upgraded ratios are 3.91 and 4.10.

Both are still very usable daily and by compounding the torque that gets to the wheels, provides improved acceleration at all times.

Engine RPMs with the 4.10 are 3200 RPM @ 80 MPH and top end speed is still over 170 MPH.

Out of both ratios, the 4.10 is our preferred for performance on N/A applications and 3.91 for superchargers.

For the track our diffs are unreal! Offering the longest time before rebuilds avalible due to our attention to deatail and excelent machine work we offer in house. Various LSD and ATB options are available, and we can make a diff to fit any need.

The OEM LSD can be retained but for high performance use, we highly recomend the Quaife or OS Giken differentials as they offer excellent life, smooth response, and excellent durability even under the most demanding use.

Quaife diffs use helical gears to bias torque between each wheel. There are no clutch plates to wear out and operation is exceedingly smooth with no noise making them perfect for a race car or street car. OS Giken is very popular with the enthusiasts and racers that see a lot of track time.

We know of course your going to have questions about a product like this: Feel free to call or email us so we can get you a quote on the spot and the diff that best suits your needs.

Our Performance differentials feature:

All New OEM bearings, seals, crush rings, and gaskets

Drastically improved acceleration by transmitting torque to the wheels

The highest quality Ring and Pinion gears

Option of other non-factory LSD units

Excellent machine shop workmanship

Race & street proven reliability

Take advantage of our our expertise with BMWs. Many of our winning VAC Engine customers also run our VAC performance differentials!

Note: A core diff housing is required for this service, if no core is available, we keep E46 M3 cores in stock.

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Additional information

Weight30 kg
Dimensions50 × 50 × 50 cm

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