23 posts · Joined 2007. #4 · Sep 16, 2008. Latest update - they replaced the MAF sensor under warranty. Still wasn't running well or holding idle properly. So they're ditching their supplier and going with someone else for a new MAF sensor.thinking they have a bad batch or problems with their parts. The logical person in me is thinking it Calling the pistons weak isn't really accurate. They survive up to 600whp on the B58, so should survive to at least 400whp on a B48. I think the reason pistons are being called out is because the most common failure is the ringland at these higher power level instead of a bent rod. Appreciate 1. 2 days ago · In summary, the F30 BMW 320 is a powerful and luxurious vehicle that is packed with features. While it may experience some common issues, regular maintenance and prompt attention to any problems can help ensure its continued performance and reliability. 5. BMW 320 by types of engines or engine names 5.1. BMW 320i M10 engine BMW EVAP Leak Diagnosis and Repair – Evaporative Emissions System. By Staff Writer. February 26, 2022. 0. 21745. Affiliate link disclosure – The BMW Repair Guide uses affiliate links in their site. For more information on affiliate links, please click here. Repair Summary. Repair Difficulty and Cost. 4. Clogged water drains in the engine bay. 5. Corrosion on the alloy wheels. 11 Most common BMW 3 Series problems (per generation) BMW 3 Series G20/G21 (2019 – onwards) BMW 3 Series F30/F31/F34 (2012 – 2019) BMW 3 Series E90/E91/E92/E93 (2005 – 2012) Conclusion. Step 1: Locate the OBD2 port under the dashboard on the driver’s side and plug in the diagnostic scanner. Step 2: Turn on the ignition without starting the engine and turn on the scanner to connect with the onboard diagnostic system. Step 3: Select your BMW make and model, and then proceed to the control units. Top Answer. Alex S. December 30, 2020. If You notice Your BMW F30 leaking coolant then it is something that You should address as soon as possible. A coolant leak can lead to low coolant levels which can overheat Your engine. The most common reason that You will have a coolant leak is from one of the hoses. The specific BMW drivetrain malfunction repair cost depends on many things, such as the model of your vehicle, location, and the mechanic doing the job. On average, the cost is anywhere from $2,068 to $2,108. The part itself can be as much as $1,913. On the other hand, the cost of labor can range from $155 to $195. B.M.W F30 問題. 我見到上代 3 系好多版本…. 我覺得係睇車主平時點揸，同埋駕駛風格係咪類似。. 上邊兩部都係二手買入，我同上手車主駕駛風格類似，反而我朋友同佢上手車主駕駛風格唔同，唔知係咪咁所以多嘢整. 320i, 我見到上代 3 系好多版本…. 想執部 10 Jun 19, 2018. #1. Dear all, I bought a 2nd hand 316i last year Dec, it was manufactured in Sep 2014. Everything was all smooth until recently. 1st Problem. During cold start at 6:30am, I let the RPM dropped till below 1000, then release hand brake, then put the gear to 'D', I can feel the gears being engaged by sensing a slight 'drop' at the rear. IWY4J.