New 210mm 3.91 Ratio Ring and Pinion with 14mm bolt holes for BMW

New 210mm 3.91 Ratio Ring and Pinion with 14mm bolt holes for BMW

diffsonline SKU: 210391n

$1,699.00

Differential icon e643525b 5a91 4f54 82f3 c1bc67071173

All differentials are built to order and we are currently running at least 4-6 weeks out from order date to ship date.

Gears icon d0bf13e5 d225 4041 b8fe 5fd4aee6fdc5

Parts will likely ship on the next business day.

Transmission icon 8a38e78f efed 4538 a0cd 2eca85039731

Please check with us for lead times on transmissions.

New ring and pinion set for Motorsport applications.

When installed in E24M6, E28M5, M535, E34M5, or non M V8 cars which came with 12mm ring gear bolt holes in the carrier, the carrier will need to be drilled out to accommodate the larger bolts. You will also need a 14mm ring gear bolt kit.