Sanyo Lithium CR14250 Replacement Battery for E23 E24 E28 E30 E32 E34 Cluster SI-Board - Ivo Christov BMW E28 specialist
BMW E30 - Replacing the SI Board Lithium Batteries - - YouTube
BMW E30 - Replacing the SI Board Lithium Batteries - - YouTube
Bimmerforums - The Ultimate BMW Forum
My temp gauge and tach were not working so I replaced SI batteries but realised that there is a small repair done on pcb trace and some of the transistors are blown.
BMW E30 SI Board Batteries Sanyo / FDK Pair | TC European
TCEuro - TCESIBATT - SI Board Batteries Sanyo/FDK Pair
x2 BMW E30 SI Board Batteries Sanyo FDK Instrument Cluster 1 Pair E23 E24 E28 | eBay
Alternative SI battery solution? - R3VLimited Forums
Bimmerforums - The Ultimate BMW Forum
BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article
Bmw e30 circuit bord problems : r/E30
Desoldering SI board batteries : r/E30
SI Board Batteries - Info Please | BimmerFest BMW Forum
E30 SI Board - YouTube
BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article
BMW E30 SI Board info and troubleshooting - Bavarian Restoration
BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article