2010-2014 S1000RR Built Motor Development
2010-2014 S1000RR Built Motor Development 05/21/17

Based on customer feedback and requests as well as market research, we found a void in the S1000RR market for true upgraded motor components. For the past 6 months we have been working on a project that will change the way BMW owners look at built engines. At this point the quickest and fastest


Based on customer feedback and requests as well as market research, we found a void in the S1000RR market for true upgraded motor components. For the past 6 months we have been working on a project that will change the way BMW owners look at built engines. At this point the quickest and fastest BMW’s in the world have been dominated by stock engine bikes. We are setting out to bridge the gap, fill the voids and provide a product that truly produces power over OEM engines.

After doing research on the few companies that have been building or outsourcing motors for years, we have identified quite a few problems which we feel we can improve on. The issues that we are targeting are:

– An array of unhappy customers looking for more solid solutions.
– Extreme price gouging of parts/engines.
– No true gains shown over a stock engine with proper tuning.
– No significant real world performance testing.
– No built engine reflash solutions. Imagine purchasing a “Stage 4” $22,000+ competitor motor and being sent a power commander for tuning.

During our testing and selection process of the ideal street camshaft we made a checklist of must haves for a built engine, our biggest goal is performance without sacrifice.

– Low noise and stealth idle (no stalling or radical over-camming at idle).
– Full driveability with minor loss if any in bottom RPM range with large increases in mid and top end power with a similar to stock powerband.
– No change in fuel economy.
– Can run on 91 octane pump fuel without octane additives.
– Works with all stock components, including exhaust, clutch, valvetrain and fluids.
– Requires no head porting or external degreeing changes to the motor that would require an engine builder to be hired. This allows less room for error during installation and keeps cost down.
– Can be mapped with our flash software and sold as a plug and play kit or with a piggyback fuel commander. While we have mapped many built engines with our BrenTuning V3 software, we always felt they were not nearly as powerful or ran to their potential because they were using off the shelf high lift / high duration camshafts. These cams did not work with their piston selection and BMW’s head design. We learned this first hand later in our testing.
– Provides proven gains on the dyno and in real world testing, quantitative gains for the dollar at a far more attractive price than the current offerings.
– Some of the most respected and well known engine component builders have brought knowledge and had a hand in this project to help bring the best possible products to the market.
– Make a kit that works together through R&D. A piston and cam design made to work together and not piecemeal together to optimize air flow and performance.

Our BrenTuning S1000RR motor components will be offered in two configurations:

1) Street compression piston/pump fuel with correctly matched street/strip camshaft set (parts only).

2) Street compression piston pump fuel / with correctly matched street/strip camshaft set installed in an overhauled S1000RR motor (or bike sent to our facility).

Future options will include special order pistons (14:5:1 for race fuel only and 10:0:1 boosted application pistons will be revisited over the winter along with a low boost stock motor pump fuel 300hp boosted application).

Pricing and timeline are both currently being worked out. We will be offering pre-order pricing in the next two weeks along with more information. We should have everything ready to go within the next month or so if all goes well. We will be testing on our in house test bike in the very near future and will come out with some concrete data which will prove the worth of these upgrades. For those of you with engines to sell, we are actively buying up cores and would really like a few more longblocks so we can have them ready to go. As you can expect from us, this will be a proper setup and we won’t be selling snake oil like many of the alternatives on the market. Everything will be torture tested on our dyno, at the track and on the street.

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    Ben Weber May 09, 2017
Competition use only parts are clearly labeled as competition use only in the product listing page and may only be used according to the guidelines posted on our Emissions Notice to Customers in California page