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  BMW Forums » BMW discussion forums » General BMW
  5 series changes its own red line?

 5 series changes its own red line?



i noticed in my 5, that when starting up and the engine is cold, the redline is alot lower, its at 6200rpm..and then the little red dots actually move down to 6800 as it runs longer..what is up with that?
   Reply » 5 series changes its own red line?

That's an idea from the M motors. Its to remind you to not run the engine too hard before its warmed up.

From the owners manual:

Tachometer
The white-striped advance warning field,
arrow 1, changes depending on the engine
temperature. The segments disappear in
sequence as the engine warms to its normal
operating temperature.
Avoid allowing the engine speed to rise as far as
the advance warning field whenever possible.
Engine speeds in the red warning field, arrow 2,
must absolutely be avoided.
In this range, the fuel supply is interrupted to
protect the engine.

   Reply » 5 series changes its own red line?

It's BMWs substitute for not putting in a engine temp gauge

   Reply » 5 series changes its own red line?

Quote:
It's BMWs substitute for not putting in a engine temp gauge
i think its a great substitute... i liked it ever since i sat in my friends M3 a while back

   Reply » 5 series changes its own red line?

my dads 6 does something like that, and has an engine gauge...

   Reply » 5 series changes its own red line?

... but that's 'only' an oil temp gauge, which is moving slower than the tach redline warning indicator while the engine is heating up.


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