1
/
of
1
OS Giken
Regular price
£1,724.80
Regular price
Sale price
£1,724.80
Taxes included.
Shipping calculated at checkout.
Quantity
Couldn't load pickup availability
OS Giken Super Lock limited slip differential for the BMW M3 E30 with the S14 engine and the 188 mm differential.
- All components are chemically heat treated.
- Made from high-grade steel alloy.
- Raw-forged gears.
- Case machined from a single billet.
Fitment
| Make | Model | Chassis | Engine | Years |
|---|---|---|---|---|
| BMW | M3 (188 mm differential with 12 mm ring gear bolts) | E30 | S14 |
Specifications
| Differential size | 188 mm |
|---|---|
| Ring gear bolts | 12 mm |
| Ramp angles | 25/38 |
| Lock timing | 336 |
| Total plates | 20 |
| Preload | 10S |
| Made by | OS Giken, Japan |
| OS Giken part number | BM091-HA |
Fitting notes
- Fit as per the manufacturer's service manual.
- Designed for the 188 mm differential with 12 mm ring gear bolts, also found in E28, E30, E32, E34 and E36 models.
- Initial torque can be adjusted with thicker or thinner cone springs.
- TCD-spec discs can be fitted for better oil cooling and smoother operation.
Lead time: made to order by OS Giken in Japan, usually 2 to 3 weeks. Contact us if you need it sooner or want us to check fitment.
Share
