Description
Revive Your Classic BMW Instrument Cluster Is your BMW’s Service Interval (SI) board failing? Common symptoms like blinking inspection lights, a non-responsive tachometer, or an inaccurate fuel economy gauge are almost always caused by leaking or dead batteries.
Our BMW SI Board Battery Repair Kit features genuine FDK batteries, renowned for their durability and long-term reliability in automotive environments. Replacing these batteries early is the best way to prevent permanent acid damage to your rare and expensive printed circuit board (PCB).
Vehicle Compatibility: While primarily known for the E30 3-Series, this kit fits several “Golden Era” BMW models equipped with 3V lithium SI boards:
3 Series (E30): 318i, 325i, 325is, 325e, M3
5 Series (E28): 524td, 528e, 533i, 535i, M5
6 Series (E24): 633CSi, 635CSi, M6
7 Series (E23): 733i, 735i, 745i
⚠️ Important Fitment Note: BMW used different board manufacturers (VDO/MotoMeter) and battery types depending on the production year.
Check your board first: This kit is for 3V Lithium boards.
Size Match: These are “Half-AA” style batteries. Some early boards utilize “Large” (Standard AA) batteries. Please verify your board matches the smaller profile before ordering.
Product Specifications:
Brand: FDK (High-Performance Industrial Grade)
Quantity: 2 Batteries included
Lead Time: 2-6 working days
