Battery replacement isn't cheap - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
For BMW 328i 330i 335i 335d M3 Battery Cable & 2 Negative Adapter Leads Genuine | eBay
2011 335d Battery Replacement | BimmerFest BMW Forum
Yetaha Positive Terminal to Battery Cable For BMW 128i 135i 325i 325xi 328i 330i 335d 335is M3 X1 61129217031 61126988974|Cables, Adapters & Sockets| - AliExpress
BMW 335d Battery - Best Battery Parts for BMW 335d - from $69.99+ | AutoZone.com
BMW E90 Battery Replacement | E91, E92, E93 | Pelican Parts DIY Maintenance Article
CarCareKiosk All Videos Page - BMW 335d 2010
2011 335d Battery Replacement | BimmerFest BMW Forum
BMW 335d Battery - Best Battery Parts for BMW 335d - from $69.99+ | AutoZone.com
OPTIMA H6 Car Battery - 800 CCA (Fits BMW E30 E36 E46 E90 E92 F30 F32)
Stock battery specs - BMW 3-Series (E90 E92) Forum