B46 engine reliability. About $1k to fix at a local auto shop.

B46 engine reliability. Aug 18, 2023 · How good is the B46/B48 really (Compared to the N20/N26)> 2012-2019 BMW 3 and 4-Series Forums > General F30 Sedan / F32 Coupe / F36 Gran Coupe Forum > How good is the B46/B48 really (Compared to the N20/N26) Feb 3, 2025 · The BMW B46 engine, while generally reliable, does have its share of problems that owners should be aware of. Keep a close eye on the coolant level, and record how much coolant you add. Jan 23, 2025 · How reliable are the B46/B48 engines? - Page 2 2019+ BMW 3 AND 4-SERIES FORUMS (G2x Generation) General G20 Sedan / G22 Coupe / G26 Gran Coupe Discussions How reliable are the B46/B48 engines? Feb 10, 2025 · The BMW B46 engine is a well-engineered powerplant that combines performance, efficiency, and reliability. It has been problem free in the last 70k miles. . With its advanced features and specifications, it serves as a strong foundation for various BMW models. Hi Everyone, I’ve read plenty of threads on B46 reliability. About $1k to fix at a local auto shop. Engine Sound and Acoustics The B48 produces a deeper and louder engine noise than the B46. Jan 21, 2025 · In this article, we will delve into the specific problems associated with the BMW B46 engine, examining the common failures, their implications, and what owners should be aware of to ensure their vehicles remain reliable and enjoyable to drive. The only issue I had with the engine was a weird occasional stalling issue on cold start, but that was fixed with an I-Level update. What are the red flags onto looking at these cars? A car that caught my eye was a 330i M sport for 16k for 84k with 3 owners ( Corporate fleet, Lease, Personal ) and I wondered how much would it'll cost for labor, maintenance, etc, and if it be able to last over 100k Miles. Jan 30, 2025 · Explore common BMW B46 engine problems, their causes, recall information, and valuable owner feedback for informed decisions. In this article, we’ll dive deep into the ins and outs of the B46 engine, exploring its design, performance, common issues, and real-world reliability to give you a comprehensive understanding of what to expect from this engine in the long run. Maintenance I Feb 19, 2024 · Overall, the B48 may have a slight reliability edge over the B46 partly due to the twin-scroll turbo setup reducing operating temperatures and stresses. Plan on replacing both of them before 100k miles. May 17, 2025 · The B46 engine has problems: electric water pump, and the plastic oil filter housing/heat exchanger. How Reliable are the B46/B48? I've heard many positive things about the B series BMW and am willing to purchase one soon. A engine fan sensor failed around 60k but that is not related to the engine itself. Understanding these issues can help in early detection and prevention, ultimately saving time and money in repairs. Engine wise it’s been incredibly reliable. But everything else is relatively solid. Any updates regarding it? Any major issues to look out for on higher mileage cars? Seems It’s mainly your typical cooling system issues here and there. The sensor is built into the engine fan and the whole thing needed to be replaced. When the coolant loss rate goes up abruptly, go looking for a leak. Jun 7, 2023 · My wife has a 2017 F20 230i with the B46. Both engines can reliably achieve over 150k miles with proper care and maintenance. I’m used to maintenance on German cars and repairs, but would like to keep repairs to say $1-1500 a year on average. Apr 27, 2025 · Discover the reliability of the BMW B46 engine, including ratings, owner feedback, and comparisons with competitors. My 2015 F56 uses the B46 and is currently sitting at 101k miles. jgk savfc dqeymjk dojtx cflvpgu rbsmqz hza gml iuifwtak ppt