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BMW E46 M3 Differential Repair Service using stronger M5 E39 "ZF 008" 25% Spool.

Definitive solution for the clunking noise on the outputflange.

You should send your diff upfront for conversion. If your car is used daily I can send mine first applying a 1200$ core charge which will be refunded upon receipt of your old rebuildable diff. Severely damaged/broken diffs means no core charge refund.

Housing has no rust. Newly painted with new oil seals.

Bearings are new and pinion&crowngear backlash is set correctly.

Teeth mesh was checked with engineers blue ink. No weird noises!

I strip, clean, inspect, paint, set pinion position, pinion bearing lash, side bearing lash, tooth mesh, tooth play, sperr pre-load. Everything is checked! I don’t sell scrap and noisy diffs.

Friction shims are in good used condition. The lsd will work very well.

We are BMW LSD diferential specialists, more than 600 LSD units and 800 open dif units rebuilt/installed on the last 10 years. Bid with confidence.

Send an email if you have any questions about special prices and specs. See my profile page.

Options:

- 40%/15% locking - 4 friction shims and assimetrical 30º Accel/60º Decel ramp angles – For fastroad. This is very useful on wet road. 15% Decel makes it´s easier for less experienced drivers who have less throttle/steering control. Lets you brake later into the corners at the track without oversteer.

- 60%/60% locking - 6 friction shims and special 30º Accel/30º Decel ramps costs 200€. – Good for rally or drift with 60% lock on Decel, lets you balance the rear of the car easier. 6 shims gives better reliability. I can set with low pre-load so it makes corner insertion more easy and safe on wet/normal driving conditions.

- 60%/25% locking - 6 friction shims and assimetrical 30º Accel/60º Decel ramp angles cost 200€. – A must have for motorsport/fast track use(Nordschleife) 6 shims gives better reliability. This is very useful on wet road. Provides faster lap times on track, lets you brake harder and later into the corner without oversteer.

For Motorsport use 6 friction shims recommended. Shims can overheat and melt. Also the shim tooth can break. 6 shims help dissipate the excessive heat and have 1.5x the inner tooth number(81 vs 54) giving better reliability.

I have all the parts in stock, it takes 14 days to have the differential ready to ship and shipping time is one week.

2 year full guarantee!

International shipping available, ask for your location. See my profile page.

Thank you!