What kind of differential does a 335i have?
See chart above. As you can see, the majority of 335i and 135i owners are blessed with the welded differential. This makes adding a LSD a bit challenging, as the ring gear must be separated from the carrier carefully to ensure it can be re-used.
Is 335i open diff?
Unfortunately, the 135i and 335i powered by the N54 received open differentials from BMW. It’s a serious limiting factor for those looking to make more power and/or track their cars. A limited slip differential is an excellent mod to help put more power down.
How can I tell if I have a e36 diff?
The diff ratio is typically stamped on a stainless steel tag attached to one of the upper rear cover bolts. If not, it’s still pretty easy to determine. If the diff is out of the car, place a mark at the 12 o’clock position on the input flange and on one of the axle flanges.
Does 135i have N54?
BMW has always been successful with their compact sports car platforms. It’s in their roots. The BMW 135i equipped with the N54 twin-turbo straight-six, which ran from 2008 to 2010 in the North American market, offers roughly 300HP and 300lb-ft of torque to drivers from the factory.
How does a Wavetrac differential work?
At or near zero axle-load, the axles (and therefore each side gear in the diff) start to turn at different speeds. This speed differential causes the Wavetrac® device to step into action: As the two side gears rotate relative to each other, each wave surface climbs the other, causing them to move apart.
What kind of differential does a 335i N54 have?
Some claim ALL N54 335i models have a bolted differential. A few had 03 and 04 2007 production 335i’s with bolted differentials. The above list is generally correct.
How much torque does a limited slip differential give?
Unlike open differentials, limited slip differentials can vary the torque to each wheel. Generally, an N54 LSD can send up to roughly 70% of the torque to the wheel with the most traction. Let’s circle back to the previous example. One wheel only requires 150 torque before losing traction.
Which is mFactory metal plate differential for BMW 135i?
The MFactory Metal Plate differential is available in 1.0 way, 1.5 way, or 2.0 way. Again, the link we provided earlier in the article is a great explanation of the differences. Ultimately, the 135i and 335i metal plate differentials should be limited to those primarily looking for straight line performance.