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BMW 335i DCT Lag

BMW 335i DCT Lag

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Started by Anonymous 17 years, 3 months ago
The current M-DCT software in both the 335i and M3 is flawed. It causes a very long pause (commonly called the "lag" or the "lowspeed lag") when coming to a stop or near stop and then trying to quickly accelerate again. The lag is more prevalent when the car is in second gear but also occurs in 1st gear as well. The lag also shows up most commonly in auto (D) modes, but can occur in manual (S) modes as well. The lag is a safety issue, and has the potential to cause an accident. We, M3 and 335 owners want it addressed as BMW is currently in denial mode.

2 Comments

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Patrick Monk
8 years ago Featured

335CC owner - I thought it was a problem (only) with my car that could not be solved.

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Michael allendorfer
10 years ago Featured

2012 335IS with DCT 29,000 miles. If trickling along in traffic, the trans will be in D2; if I want to quickly change lanes and accelerate to get ahead of on-coming traffic, it will not respond unless I manually downshift to M1 before I initiate the signal, lane change & accelerate. It still doesn't always work.

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