To build a simple M5 touring wasn’t enough pressure, so we had to take it to the next level. R in „M5R“ is known for „racing“ so the key to making this car truly special was to push one thing to the maximum:
performance. The third part of our story is all about how we did exactly that.
„You cant replace boost but for more boost“
The first step to hit that >800 HP are of course upgrade-turbos. Since in our opinion, the best upgrade-chargers are from Dachau in Germany, we decided to go with the TTE power pumps, that we allready used on the M4R porject.
The TTE 800+ upgrade-turbos are actually based on the original Garrett M5 chargers. The boost engineers use CNC-machined high-flow compressors, gap-optimized for increasing efficiency. A bigger turbine wheel with grind is supposed to lower the back pressure with a precision balanced shaft over the entire operating speed range.
Short hand, the two gold pieces were planted in our Touring.
Five hours later the chargers are changed. From now on the S63TU can fire with more boost, final adjustments by Aulitzky Tuning will follow.
More boost = more air
So our TTE chargers can breathe smoothly at any speed, we equipped the M5R with an Eventuri intake. The market leader from the UK has had these solutions for the S63TU engine for a long time.
The M5 intake is available in carbon and kevlar variants with color, the green thread is individually made and can not be purchased like this. Talking about colors – the M5R is black on black on black with neon green accents. Black car, black rims, black carbon – this car means business. To match the intake to the color scheme, we glazed the intake so it is – like the rest oft he car – unique.
More pictures will follow. Next to more performance and better transition, the intake makes the car sound awesome.
Brakeanquor
That kind of performance wants to be controlled and slowed down. Like with our M4, when it comes to brakes we rely on Movit.
A fixed caliper with 6 pistons, from two pieces of tempered and hardened aircraft alloy 7075 connected by steel braided hoses and of course powdered in Ultimate green. On top of that two part discs with overkill dimensions of 402mmx36mm. Braking with these babys is like throwing an anchor.
Since the F11 has an electronic handbrake, we only rearranged the front axle. A corresponding application was not constructed at Movit due to a lack of demand. During the planning, various problems arose. Ordered was a F10 M5 brake, since the complete front and front suspension of the F10 M5 went in. The brake booster, however, remained of the 550i. During the technical inspection, it was noticeable that the M5 brake booster is
smaller than that of the 550i. Thus, the piston geometry of the calipers had to be changed accordingly (enlarged) - which one could not necessarily expect.
Next step: optics. Holed braking discs in front and smooth OEM in the back? Not our style. After a long and thorough search we found some holed discs at BMW for the hind axis. The diameter oft he discs of the 550i is the same of the M5, but M5 discs have a bigger friction surface. To transfer this to the hind axis would have required special adapters.
Coming up: We and Neidfaktor take on the interiour. Thank you Alex and ECN2Film again for the great pictures.