Speedometer shows 20 at idle

General discussion forum for J30 and M30 owners!
stoned99
Posts: 3
Joined: Fri May 20, 2016 6:19 pm

Post

One more thing to fix on my sons car.

The speedometer jumps to 20 as soon as the engine is on, easy enough to subtract 20 as you drive around but I would like to reset it if possible.

Any ideas on what may be wrong or how to adjust ?

Thanks


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