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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 02-27-2013, 06:52 PM   #13
Registered User
Join Date: Mar 2011
Location: Florida
Posts: 15
My Ride: 04 ///M3 SMG
I checked the plugs & problem persisted.
then replaced the Salmon relay and it did it 3 times and 2 times it would select only 2nd to start from a stop, restarting the car would allow it to select 1st.

after replacing the Salmon relay none of the codes have come back even when the car failed to down shift to first but now I still get a "new" code :

11 unknow trouble code description. please your factory guides for any information.

I ordered the gear selector sensor and the 4 compression springs.

my guess a combo of acting up Salmon relay and dying GPS. I'll change the compression spring while at it.

note reason why i add the Salmon relay into the mix:

running a few SMGII test I came across pump codes:
56 switching-on time of Hydrolic unit
53 Lower level of pressure reached HE

after replacing the Salmon relay pump max run time is now 7 seconds vs 10 sec when unlocking the car.
and like2 when recharging vs 5sec or so. most likely the relay could not supply enough current anymore specially after it got hot.

Last edited by kiwami; 02-27-2013 at 06:53 PM.
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