s38b35 engine tuning in northern CA

Specific conversations and info for the BMW E28 M5 and M535i.
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7krpm
Posts: 7
Joined: Jun 10, 2014 3:14 AM
Location: CA

s38b35 engine tuning in northern CA

Post by 7krpm »

Need some engine tuning help guys. 1988 M6 with the s38b35 engine. 4K miles ago engine was rebuilt with a port & polished head, 1mm larger valves, and slightly hotter re-ground cams that are similar to b36 cams in spec. Dinan exhaust cam gear (retards exhaust cam) installed as well. Everything else is stock, namely the AFM, FPR, injectors.

I'm now convincing myself that engine tuning is best given the engine mods.

Does anyone know of an experienced s38/s14 engine tuner in Northern California that could help out?

There seem to be a few tuning options out there....but would like to go with something that the tech recommends and has experience with.

-Miller WAR chip/MAF combo (seems like the WAR chip is no longer available from Miller?)
-Megasquirt: https://protunerz.com/products/megas...bmw-m5-e34-s38 (wont work with s38b35 without some mods)
-Split Second: https://splitsec.com/bmw-m5-maf-kit (discontinued?)

Thanks!
austin8753
Posts: 1444
Joined: May 16, 2010 1:37 AM
Location: Portland, Oregon, USA

Re: s38b35 engine tuning in northern CA

Post by austin8753 »

talk to "Derrith" on here. he's in the bay area and has worked on an S38 or two in his time. @thestudiopresents on Instagram.
7krpm
Posts: 7
Joined: Jun 10, 2014 3:14 AM
Location: CA

Re: s38b35 engine tuning in northern CA

Post by 7krpm »

Cool, thanks austin8753!
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