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EPISODE 21: BMW M3 AND M4 EXPLAINED.EPISODE 21: BMW M3 AND M4 EXPLAINED.

EPISODE 21: BMW M3 AND M4 EXPLAINED.

4 min reading time

Launch control manual transmission.

In episode 21, BMW M developer Sebastian explains the Launch Control in combination with the manual 6-speed gearbox for the BMW M3 and M4.

5 July 2021

The epitome of racing feeling in everyday traffic starts a new round. 35 years after the debut of the first BMW M3, BMW M GmbH presents the latest generation of its high-performance automobiles in the premium mid-size segment. Time to introduce the two new vehicles. In the #M3M4explained series, the developers have the floor.  

Sebastian has a passion for maximum acceleration: At BMW M, he is responsible for the customer experience drive train of the M3 and M4 models. The development of a Launch Control - especially for the models with manual 6-speed transmission - was one of his central projects. In the video, he explains to us how the new system works. In our Q&A he also answers questions from the community.  

BMW M3 Sedan:
CO2 emissions combined in g/km 231–227 (WLTP)
Fuel consumption combined in l/100 km 10.1–10.0 (WLTP)
LAUNCH CONTROL MANUAL TRANSMISSION.LAUNCH CONTROL MANUAL TRANSMISSION.

LAUNCH CONTROL MANUAL TRANSMISSION.

START VIDEO

BMW M ENTHUSIASTS ASK, BMW M EXPERTS ANSWER.

BMW M3 Competition CoupéBMW M3 Competition Coupé

How do you release the clutch when doing LC on a manual car?

Fast, yet sensitive - no simple side step.  

 

Why is launch control only available for 5 seconds?

The limiting factor is the exhaust temperature.  

 

How many launches does the clutch in the manual last?

That strongly depends on your very individual clutch pedal handling - not only using the launch control but also in general.

 

How many launches can you make in the life of the gearbox?

here is no limitation of the launch control's availability over its lifetime. Availabilty of launch control is temporarily unavailable when - mainly - temperature conditions of the engine, transmission, differential do not allow its use.

BMW M3 Competition CoupéBMW M3 Competition Coupé

Must the engine and transmission be up to proper temperature for launch control to be available?

Launch control cannot be activated when the vehicle's / engine's / transmission's condition are not ready or warmed up properly. There also needs to be some cool down time in between two launch control starts.  

 

Launch control in DSC off or traction mode?

What's the difference in the end?MDM is being used for optimal slip control while DSC OFF allows some smokey burnouts.  

 

Was the inclusion of an electronic line lock for rear tire warming considered?

Yes, it was considered. But it was not pursued due to safety concerns. 

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