Bring your M52 to life with this fully tuned, daily driven, and track tested performance chip. The SSSquid Tuning performance chip is the most complete tune on the market, with every aspect of the mapping being optimized from idle to wide-open-throttle.
This chip is intended only for vehicles using the 3.5″ 540i (P/N 800) MAF.
This chip is compatible with the following engines that have been converted to or swapped into OBD-1:
- M52B25-TU (M52TUB25)
- please specify in notes