The F30 328i was a modern line that I drove in Sport Mode, it did not have Sport Steering or suspension. The F30 335i was the fully spec'ed Sport Line with all the goodies. Steering was tighter on the F30 335i but was still lighter than my 535i and way lighter than the 328i loaner. Changing the ECCENTRIC SHAFT SENSOR resolved my rough idle at start-up issue. Had it fixed in late 2018 and it has not come back. Dealer wanted $1800 but found a independent that specializes in BMW's who did it for $900. The shop was very familiar with this problem as it is a common failure. It seems the seal fails and oil gets into sensor. Drives: 2015 435i. Join Date: May 2005. Location: Southeastern US. iTrader: ( 0) Sounds like blend door or software. An across the board no heat condition could be software, lazy water pump, failing/failed heater control valve, blend door issue, You'll need a diagnostic tool unless you want throw parts. BMW 3 Series misfire caused by faulty engine ECU. Engine misfire is a very common problem across the E90 range fitted with this engine ECU. The vehicle will begin to run rough and develop an engine misfire over one or more cylinders and will often get progressively worse over time. When diagnosing the problem using scan tools you will find BMW N54 Common Problems. N55 Common Engine Problems. BMW B58 Common Problems. BMW F30 35i vs 40i Summary. There are plenty of other minor differences we didn’t cover in this article. However, the 340i is the same car as the 335i in many ways. They’re both intended for the same target market and share many things in common.
Find all the most common problems you need to know about before buying 2012-2019 BMW 3 Series (F30/F31) BMW rechristened the 335i the 340i. The ZF eight-speed gearbox received revised tuning
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bmw f30 335i common problems