MS41 Turbo Tune for M52/S52 from e36


MS41 turbo tuning package for m52 or s52 from single vanos Z3 models to e36 323i, 328i, US M3, in single vanos 528i e39 and 728i e38.

please include known specs of your turbo

ie: turbo manifold, intercooler, wastegate, bov, size of the exhaust, size of charge pipes, boost control method, wideband, breather configurations, anything else notable…

cams, intake, changed compression ratio, anything out of the ordinary, add here

SKU: ms41turbotune Category: Tags: , , , , , , , , , , ,


MS41 Turbo Tune for M52, S52 from e36/7, e38, e39 or Z3

This is a forced induction turbo tuning package for m5x engines running ms41 electronics. This includes 1 completed revision, which can be as many as 10 edits. This bespoke product is natively compatible with:

e36 328i, 328is or 323is

s52 equipped e39 m3 

s52 z3

m52 z3

single vanos e39 528i

e38 728i

Also compatible with any swap using ms41 and a single vanos m5x.

We Be Racing

At its very core, remote tuning is a collaborative effort between the tuner and the driver. We are always honored to be your choice for this role, and will apply all of our experience to help your build achieve its peak form. Developing safe, reliable and high-performing tunes is our reason for existing as a business. 

What is included?

This tuning package includes 1 completed revision, which can be as many as 10 edits. The tune is built around and fine-tuned to one set of hardware and one fuel, subsequent changes may require editing to ensure good function.
This item is the calibration product only.
For more information on remote tuning and our process

Flashing directions

While the primary expectation is for remote tuning, in-person tuning available in the northern Virginia area. 

Supported Hardware:

Supported MAFs:

stock, m54b30 retrofit, Bosch 0 280 218 067 (Audi rs4), PMAS HPX, PMAS HPX-e, Nissan slot maf in a 72mm ID housing

The standard HPX in a mh-30 housing as pictured in this listing is our recommended option. While other options work, we find this to be the most elegant and effective method of metering air for these electronics. While stock MAF is “supported” by this custom product and we can tune for it, it has very low limits and a build utilizing the stock maf must fit into the envelope of its reading capacity. Power goals must match the limits of the meter. For reference, the m54b30 maf can support up to 340whp.

Top mount? bottom mount? midmount? T3 or t4 or vband? it doesn’t matter, it’s all cool, we don’t discriminate. T2!? Well, that’s a little small, but whatever, let’s do it!

Supported injectors: 

  • 42lb Lucas/Delphi
  • 42lb Bosch green giants
  • 56lb Bosch 0280158123 (62lb at 3.5 bar)
  • 110lb Bosch 0280158040 (100lb at 3.5 bar)
  • most Injector Dynamics
  • most Fuel Injector Clinic

please email us to confirm injector support


Note: This product is for cars running the MS41 dme/ecu.

For cars running MS42 dme/ecus, click here.

For cars running MS43 dme/ecus, click here.


This product is for off-road use only
This is a digital product!