What is BMW rear differential?
The rear differential is the part in your BMW that takes the torque from the engine and divides it to the left and right wheels. When the torque is split to both wheels, they will be able to spin at different speeds. Your BMW will require the rear wheels to spin at different speeds when you are turning.
Does BMW have open differential?
Mechanically, the answer is yes – there is a completely open rear differential between the two rear wheels. This open diff is however assisted by an automatic differential braking system that will apply resistance to one wheel to equalize traction between the two wheels.
Does the 335i have a limited slip differential?
The 335i and 135i were not offered with a limited slip differential. Yes, BMW sold a twin turbo, 6MT sporty car without a LSD. No factory option, nothing. So, owners had to rely on the aftermarket for a solution.
How much does a new rear differential cost?
The average replacement cost for a whole rear differential is between $1000 and $4000. Luckily, you can just repair it or replace it with a used differential, which will decrease the costs a lot. Most differential repairs will cost between $200 and $400 to repair.
How much does a rear differential cost?
How do I know if my differential is e30?
Identification. To identify an LSD one can first check for the presence of the tag on the rear casing. The ratio on this will be prefixed with an S for LSDs. Alternatively one can jack up one rear wheel, ensure the car is out of gear and hand-brake is off then turn the raised wheel.
How do you read a BMW differential tag?
The numbers at the begining tell you what the ratio is. For example, a diff that starts off with 4,27 #### would be a 4.27. When the tag starts off with a “S”, then it is a limited slip unit. For example, S 3,73 #### would be a 3.73 LSD.