Bmw S65 Flat Plane
![BMW S65 4 Liter V8 - E92 M3 [1280x1024] : MachinePorn](https://external-preview.redd.it/aa4MBqY1Ze-z_-LuptrI_84U1iST5mZxWbln7jIm_zI.jpg?width=960&crop=smart&auto=webp&s=5e95246364f9b45cc8036a26c8b8e20956b294a8 "BMW S65 4 Liter V8 - E92 M3 [1280x1024] : MachinePorn")
The BMW S65 is a naturally aspirated V8 petrol engine which was produced from 2007 to 2013. Its main use was in the BMW M3 (where it replaced the BMW S54 straight-six engine). On the S65, this presents a very big problem: where do you get the flat-plane cams? It's not like you can call up your local BMW performance shop and order them.
BMW S65/P65 flat plane crank project for my street car. On the engine dyno, starting up. Syvecs ECU tuning day.
Now power numbers yet. Is the S65 a good engine? Even if it was eventually replaced by a potent turbocharged inline-six once the F-Series M3 was introduced in 2014, the S65 remains one of BMW M's best engines. Although some issues have arisen with its rod bearings, valve cover gasket, or idle control valve, it is generally regarded as a very reliable unit.
Per the thread title, "Accessible Flat Plane Crank V8s", seems the S65 fits. As you pointed out, they're not cheap, but they're plentiful used and can be had as crate motors. The BMW S65 is more unique and more special-sounding Many people believe that the S65 is a flat-plane crank V8, but it is actually a cross.
S65 Engine building with a variety of configurations all backed up with our advanced race ecu developed with Syvecs Powertrain and conrol. Engines available with HRE En40 crankshafts including 84mm long stroke units and also available in flat plane format. The P65 is a purpose-built naturally aspirated DOHC V8 engine, designed, developed and produced by BMW, for sports car racing, between 2009 and 2016.
It is based on the BMW S65 engine, used in the BMW M3 (E92) road car. [3][4][5]. The S65 replaced the S54 Unique in its architecture, the S65 abandoned the typical cross-plane crankshaft of V8s for a flat-plane design, a choice that significantly enhanced its acoustics and throttle response.
This engineering decision underscored BMW's commitment to blend daily driving suitability with racetrack. The BMW S65 V8 in the E9X M3 is a high-revving masterpiece-but is it reliable? Learn about its common issues, tuning potential, and maintenance costs.