![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/1427155798-5180.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/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)
BMW E30 3-Series Service Indicator Battery Replacement(1983-1991) | Pelican Parts DIY Maintenance Article
![VDO and Motometer E30 SI board Capacitor electronics and batteries (lithium battery board) | RTS - Your Total BMW Enthusiast VDO and Motometer E30 SI board Capacitor electronics and batteries (lithium battery board) | RTS - Your Total BMW Enthusiast](https://www.rtsauto.com/wp-content/uploads/2023/10/E30SiboardBatteriesandCapacitors.jpg)
VDO and Motometer E30 SI board Capacitor electronics and batteries (lithium battery board) | RTS - Your Total BMW Enthusiast
![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-v0-6xoth7jpsnra1.jpg?width=1080&crop=smart&auto=webp&s=ecb7e368f0ed24e27ec73d1f5e288e6070fd0a7a)