121514

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SI B12 15 14
Engine Electrical Systems
August 2014
Technical Service
SUBJECT
N55 with Double-Clutch Transmission: Idle Fluctuates when Stopped
MODEL
E82 (1 Series Coupe)
E88 (1 Series Convertible)
Produced to October 2013
With the N55 engine and option 2TC (7-speed Double-Clutch Transmission [DCT])
SITUATION
A customer may complain that after coming to a stop, the engine speed intermittently fluctuates from about 500
RPM to 1,100 RPM.
This situation can be more noticeable when the air conditioner is on.
CAUSE
Unfavorable DME software
CORRECTION
Perform diagnostics using ISTA/D and work through the recommended test modules.
Program the vehicle using ISTA/P 2.53.4 or a more recent version.
Target integration level: E89X-14-07-501 or higher
Note that ISTA/P will automatically reprogram and code all programmable control modules that do not have the
latest software.
Always connect a BMW approved battery charger/power supply (SI B04 23 10).
For information on programming and coding with ISTA/P, refer to CenterNet / Aftersales Portal / Service /
Workshop Technology / Vehicle Programming.
WARRANTY INFORMATION
Covered under the terms of the BMW New Vehicle/SAV Limited Warranty or the BMW Certified Pre-Owned
Program.
Defect Code:
10 32 01 24 00
Labor Operation:
Labor Allowance:
Description:
00 00 006
Refer to KSD2
Performing “vehicle test” (with vehicle
diagnosis system – checking faults)
and
Connect an approved battery
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61 21 528
Refer to KSD2
charger/power supply (indicated in
KSD 2 as Charging battery)
Refer to KSD2
Programming / encoding control unit(s)
(not including CAS)
Refer to KSD2
Programming / encoding control unit(s)
(with CAS)
and
61 00 710
or
61 00 720
Labor operation code 00 00 006 is a Main labor operation. If you are using a Main labor code for another repair,
use the Plus code labor operation 00 00 556 instead.
Refer to KSD2 for the corresponding flat rate unit (FRU) allowance. Enter the Chassis Number, which consists of
the last 7 digits of the Vehicle Identification Number (VIN). Click on the “Search” button, and then enter the
applicable flat rate labor operation in the FR code field.
If control module(s) fail to reprogram or initializations are required, the additional work must be claimed using
separate labor operations found in KSD2 under the defect code listed above.
Other Repairs
If performing the ISTA diagnostics and related test plans results with other eligible and covered work, claim this
work with the applicable defect code and labor operations listed in KSD2.
[ Copyright ©2014 BMW of North America, Inc. ]
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