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Just found two diffs from 2010 135i automatic cars from a scrap yard in my area. This would mean a 3.46 ratio instead of the 3.08 in my manual 2011 135i, and a bolted diff, for a cheaper conversion.
Would this pumpkin plug'n'play, ie, bolts on directly to my driveshaft and halfshafts on my manual 2011 135i?
Any other caveats to look out for?
I will be soon placing an order for one of these, in order of higest to lowest preference:
1- Quaife,
2- Turner Motorsport 2-clutch LSD,
3- Turner Motorsport 3-clutch LSD,
4- Turner Motorsport 3 clutch LSD with variable ramp angles.
5- Wavetrac
6- OS Giken (special 75W250 OSG fluid is mandatory, which seems like a PITA)
Looking for a diff that will be quiet (for street use), robust (will track the car often), helps my 135i become more predictable on the track, and more predictable during winter conditions (nice-to-have).
Your thoughts?
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2011 X3 35i with M pack + 2011 135i w/6SPMT | 255 square tire setup | Quaife 3.46 LSD | Diff lock down bracket | Bilstein B8+Swift SpecR springs+H&R FSB | CDV delete | BMS Oil Tstat bypass | ER FMIC & CP | N54Tuning DP | GC Street Camber Plates | M3 FCA +guide rods+RSFB's+Tranny mounts | Manzo toe arms | Cobb Stg2 agressive tune | Hawk DTC70 brake pads | RB SS brake pistons | Goodridge SS brake lines | Custom brake cooling ducts
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