Cancelling turn signal - BMW Luxury Touring Community
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post #1 of 8 Old Mar 27th, 2019, 3:37 pm Thread Starter
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Cancelling turn signal

I had the tech go into my '18 RT and make the turn signal stay on the shortest time possible. It seems the shortest time is no longer 15sec., now I think it must be 30 or more cause it takes a long time for my turn signal to cancel itself.

To make matters worse, if you stop with the signal on, the putter does not count that as 'time-on'.

So the bottom line is I have to cancel the signal myself as if there were no self-cancelling option. IE: if you just change lanes and wanna it off right away it just stays on and on...and on.

IS THERE ANYWAY TO GET THIS BIKE TO CANCEL THE TURN SIGNAL MORE EFFECTIVELY??


anecdotal: The GL have a lean sensor so that when you straighten the bike again after a turn the turn signal goes off. It seems to me that is better than a timer. BMW, take notice!!!
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post #2 of 8 Old Mar 27th, 2019, 3:55 pm
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Re: Cancelling turn signal

You would think these days that there would be, but there is nothing built in other than the time/distance auto cancel timer.

On my previous R1200, which didn't have the LIN bus connection from the left/right/cancel switch on the bars, I used a STS unit, which worked really well. It contains a gyro, 3-axis accelerometer and lean angle sensor.
https://safer-turn.com/smart-turn-system

This would not work on my wethead as there are no separate wires back to the ECU to tap into, it's all encoded down a single wire, so I ended up building an interface with software which uses a microcontroller with a CAN module so that the turn and cancel signal from the data bus are routed back and forth to the STS unit.

It works great, auto cancels I guess 90% of the time and detects traffic islands, lane changes and junctions. But I'm sure it would invalidate your warranty, as my unit sends CAN messages onto the bus from a source that is not approved by BMW.

Jon
2017 R1200RT

So many places, so many roads, so few days off work.
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post #3 of 8 Old Mar 27th, 2019, 7:05 pm
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Re: Cancelling turn signal

Hey! I learned something new today. I have self cancelling turn signals.
I must say out of habits, I always turn them off manually.

A bit of research after that I found out it can be adjusted. Anyone knows what the default time / distance setting are?

Ride safe!
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post #4 of 8 Old Mar 27th, 2019, 7:21 pm
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Re: Cancelling turn signal

The 2019 R1250RT manual lists the following. Not sure if these are new for this year or when they came into use. The 5-flash lane change seems to work as advertised.

Quote:
Speed is under 18 mph
(30 km/h): after traveling a
distance of 165 ft (50 m).

Speed is between 18 mph
and 60 mph (30 km/h and
100 km/h): after covering a
particular distance depending
on the speed or when accelerating.

Speed is above 60 mph
(100 km/h): after turn signal
flashes five times.

When button 1 is pressed and
held slightly longer to the right or
left, the turn signals will only turn
off automatically after reaching
the distance depending on the
speed.
Ricky Chuck likes this.
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post #5 of 8 Old Mar 28th, 2019, 4:01 am
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Re: Cancelling turn signal

Quote:
Originally Posted by Grumpy_Squatch View Post
The 2019 R1250RT manual lists the following. Not sure if these are new for this year or when they came into use. The 5-flash lane change seems to work as advertised.
That extra automation must be new for the R1250, definitely not on my 2017 bike.

Jon
2017 R1200RT

So many places, so many roads, so few days off work.
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post #6 of 8 Old Mar 28th, 2019, 4:29 am
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Re: Cancelling turn signal

Quote:
Originally Posted by JonA View Post
That extra automation must be new for the R1250, definitely not on my 2017 bike.
You are right. The horrible 'self cancelling' feature IS there, but the 5 flash part is a new 1250 'feature'.

2003 R1150RT & 2017 R1200RT
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post #7 of 8 Old Mar 31st, 2019, 7:32 pm
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Re: Cancelling turn signal

Quote:
Originally Posted by PatM55 View Post
Hey! I learned something new today. . . . .
Quote:
Originally Posted by bandytales View Post
. . .5 flash part is a new 1250 'feature'.
I learnt something new today too!
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post #8 of 8 Old Apr 5th, 2019, 10:49 am
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This is one of the stranger subjects. Why did bmw take so long? Mid 90’s Harley sportsters has plenty of 60s tech but turn signal cancellers like my 18 rt. Now the 2019 is up to 2004 Harley sporster standards (yes it had gyro/lean angle).
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