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BMW F82 M4 Coupè (431 Hp) 2013 -> (with valve)

100%Stainless steel, Oversize 2 x Ø65mm, rear exhaust with valve, with E.E.C. homologation

The BMW M4 F82 represents the return of BMW Motorsport for the M3 (which becomes the M4, the new name for the M3 coupe) to the 6 cylinders engine, but also the passage to turbo-charging. BMW claims 431hp for the new 3.0 twin-turbo unit, a value that resulted quite conservative during our dyno tests.
The stock exhaust system, diameter 2xØ65mm, is composed by two turbo downpipes with integrated metallic pre-catalytic converter, a front section with two additional cats, a small resonator on the centre section and a rear muffler fitted with electrical bypass valves controlled by the ECU.
The Supersprint high performance system replaces the pre-cats with catless downpipes, a solution already adopted successfully on the E9x 335i and 1M. This allows a nice power increase and lower temperatures.
The secondary cats in the front section are replaced as well, by two HJS 100 CPSI metallic unit or by straight unsilenced pipes.
The centre resonator is replaced by an unsilenced section "H-pipe"
On the rear muffler the functionality of the valves remains unchanged. The OEM electric motors just need to be unbolted from the valve and fitted to the new valves of the Supersprint system. The exhaust is designed to offer the same performance in open and closed modes, with the highest difference in sound between them. E.E.C. homologation pending.
The tailpipes are 90mm, chromed, lipped and slash cut, to fill the valances perfectly  with a sporty but elegant look. Alternative finishes (black, satin silver) are available on request.
If you want an aggressive sound and are willing to sacrifice the valve functionality for a weight reduction, a "Race" rear section is available.
Claimed data:
Horsepower 431 Hp @ 5500-7300 rpm
Torque 550 Nm @ 1850-5500 rpm

Actual data:
Horsepower 471,2 Hp @ 6305 rpm
Torque 592,6 Nm @ 3530  rpm
Download pdf chart (248 Kb)
Full Supersprint exhaust, sport plus mode
-989611 turbo downpipe
-989632 front pipes with sports cats 100 CPSI
-989613 centre h-pipe
-989604 rear exhaust right
-989634 rear exhaust left
-989626 tailpipes

Actual data
Horsepower 479,5 Hp @ 6785 rpm
Torque 585,7 Nm @ 3560 rpm
Download pdf chart (179 Kb)
OEM vs Supersprint
Power / Torque gains:
Peak power +8,3 hp @ 6800 g/m
+14,1 hp @ 5800 g/m
+11,8 hp @ 6800 g/m
+17 nm @ 5800 g/m
Download pdf chart (145 Kb)
With E.E.C. homologationWith E.E.C. homologation
Component E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaustComponent E.E.C. homologation valid only when fitted to the specific Supersprint homologated rear exhaust
Compatible with the OEM catalytic converterCompatible with the OEM catalytic converter
For racing use onlyFor racing use only
Discontinued Product. Available while stock lastsDiscontinued Product. Available while stock lasts
Threaded bung for oxygen sensor providedThreaded bung for oxygen sensor provided
Oval endpipeOval endpipe
Twin oval endpipeTwin oval endpipe
Flat oval endpipeFlat oval endpipe
With certificate of authenticity - Compliance to sound regulationsWith certificate of authenticity - Compliance to sound regulations
With certificate of conformity for classic exhaust designWith certificate of conformity for classic exhaust design - Internet Partner