Are BMW differentials interchangeable?
There are a wide variety of BMW differentials and mostly the components are not interchangeable between generations. Generally early differentials are fitted with taper bearings, and most post 2006 units are fitted with ball bearings.
What is BMW M differential?
The M Differential The drive torque is transmitted from the engine via the transmission and drive shaft to the rear axle differential. The M Differential distributes the drive torque evenly to both rear wheels and compensates for the rotational speed difference.
What differential does the M3 have?
The new rear differential of the BMW M3 and M4 is the brand’s best one yet and comes with two different final drive ratios; 3.15 for automatic transmissions and 3.46 for manual transmissions.
Are all E46 axles the same?
E46 330/135/335 These cars are usually equipped with pretty much the same diff as used in the lower models, but feature stronger axle stubs. The outer axle stub spline is larger, as is the hub that is pressed into the larger wheel bearing. Once you are to this size, it’s as big as they go.
How do I find my diff ratio?
Rotate the marked tire one revolution while counting how many times the driveshaft rotates. eg, If your driveshaft made 3 3/4 revolutions, that would determine a 3.73 gear ratio. If you get approximately 2 3/4 revolutions, you have a 2.76 gear ratio.
What is Msport differential?
From my understanding the M-Sport Differential helps the vehicle react to different driving conditions: -Aggressive cornering and slides. -Slippery/icy road conditions, when corning or straightaways. No one has actually reviewed or test comparison with and without the M Sport Differential (LSD).
What differential does a M4 have?
The BMW F82 & F83 M4 is manufactured with a friction welded ring gear and an electronically locking plate differential.
What differential is in the E46 M3?
Gearing The E46 M3 diff comes with a relatively short 3.62 gear ratio. Limited Slip Options The M3’s M Variable locking differential is genius when it’s working properly.
What kind of differential does a BMW have?
There are two types of differentials found in BMWs. In the majority of non M cars, the differential that came in your vehicle from the factory are called an open differential. In most M cars, your vehicle came from the factory with a limited slip differential.
What are the specs of a BMW E32 7 Series 730i?
BMW E32 7 Series 730i Specs. With 0 to 100 km/h (62mph) in 9.3 seconds, a maximum top speed of 138 mph (222 km/h), a curb weight of 3527 lbs (1600 kgs), the E32 7 Series 730i has a naturally-aspirated In-line 6 cylinder engine, Petrol motor, with the engine code M30B30. This engine produces a maximum power of 188 PS (185 bhp – 138 kW)…
What is the difference between a pinion gear and open differential?
The pinion gear turns the ring gear and carrier and none of the pinions within the carrier are rotating—both side gears are effectively locked to the carrier. An open differential will always apply the same amount of torque to each wheel. There are two factors that determine how much torque can be applied to the wheels: equipment and traction.
What factors affect the performance of a Quaife differential?
The angle and tooth form of the helix used, the number of pinions used, and many other factors (including the particular car fitted) all contribute to how the differential behaves and biases drive torque. Each QUAIFE differential application is designed to offer the best compromise between performance and durability.