Here you go man, directly from this board - should help you.
BMW OE
- (Douglas) P/N 61-21-8-381-762.
720 CCA 160 RC $144.50 retail
- Current replacement is an Exide battery P/N 61-21-7-586-962.
720 CCA 160 RC $199.99 retail
DEKA
- Exact Fit Model 649MF
900 CCA 185 RC 13.9375" x 6.875" x 7.5" 18 FR 70
PR
- Exact Fit Model 9AGM49 (All Glass Mat version of above)
900 CCA 180 RC 13.9375" x 6.875" x 7.5" 18 FR 70
PR
DURALAST
-Gold Duralast H8-DLG
760 CCA 100 RC 13.9375" x 6.875" x 7.5" 36 FR 96
PR
EXIDE
- Classic 49-60
850 CCA 1000 CA 140 RC 14" x 6.875" x 7.4375" 20 FR 60
PR
- Global Extreme L5/49-E108
900 CCA 1080 CA 185 RC 14" x 6.875" x 7.4375" 40 FR 108
PR
INTERSTATE
- Megatron Plus MTP-49/H8
720 CCA 900 CA 176 RC 13.9375" x 6.875" x 7.5" 30 FR 85
PR
- Megatron Plus MTP-49/H8A (All Glass Mat version of above)
900 CCA 1000 CA 158 RC 13.9375" x 6.875" x 7.5" 30 FR 85
PR