BMW 5-Series Forum (G30) - View Single Post - New 540i engine rough and misses on cold start

AP · 09-10-2018, 12:39 AM

In a word no.
Stick with it , doesn't sound right.

The only the engine does on starting is idle at about 1200rpms for about 15-20 seconds before it decreases back to its normal 800rpm idle speed.

09-10-2018, 12:39 AM	#2
AP Major General 2777 Rep 5,092 Posts Drives: G30 M550 Join Date: Apr 2011 Location: UK iTrader: (0)	In a word no. Stick with it , doesn't sound right. The only the engine does on starting is idle at about 1200rpms for about 15-20 seconds before it decreases back to its normal 800rpm idle speed.
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