Also had mine done under warrant at 39k. BMW opened a PUMA case after trying injectors, coil packs, and plugs without success in eliminating persistent misfires.
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Current: 2020 F97 X3M Competition
Retired:
'18 6MT AW F30 340x Drive | '15 6MT F80 M3| '11 AW DCT E92 M3| '09 6MT AW E90 335i| 08' 6MT E92 328xi
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