![Sanyo Lithium CR14250 Replacement Battery for E23 E24 E28 E30 E32 E34 Cluster SI-Board - Ivo Christov BMW E28 specialist Sanyo Lithium CR14250 Replacement Battery for E23 E24 E28 E30 E32 E34 Cluster SI-Board - Ivo Christov BMW E28 specialist](https://www.e28specialist.com/wp-content/uploads/2022/09/14250-2.jpeg)
Sanyo Lithium CR14250 Replacement Battery for E23 E24 E28 E30 E32 E34 Cluster SI-Board - Ivo Christov BMW E28 specialist
![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. 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.](https://preview.redd.it/my-temp-gauge-and-tach-were-not-working-so-i-replaced-si-v0-2bff58jpsnra1.jpg?width=640&crop=smart&auto=webp&s=f17c3fc166b21f7d223a7ac09ec9903deb9cf38c)
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 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article](https://cdn2.pelicanparts.com/more_info/Customer_Comment_Images/1615212556-11036.jpg)
BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article
![BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article](https://cdn2.pelicanparts.com/more_info/Customer_Comment_Images/1382544079-7488.jpg)