Open engine bay with intake plumbing and coolant reservoir

ImportRepairCost › Common problems

Common problems by engine

The known weak spots, roughly when they show up, and what owners paid to fix them

Pick your engine. Each page has a mileage timeline, the signs to watch for, and real owner-reported prices where we have them. Not sure which engine you have? It's usually on a sticker under the hood or in your owner's manual, or any shop can tell you from the VIN.

Engine bay of a BMW 335i with the twin-turbo N54 inline-sixBMW · 9 issuesBMW N54335i (2007–2010), 135i (2008–2010), 535i (2008–2010), 335is, 1M, Z4 sDrive35i/35is and a few others. Twin-turbo 3.0 inline…See the timeline →Open engine bay with intake plumbing and coolant reservoirBMW · 7 issuesBMW N55335i (2011–2015), 535i (2011–2016), 135i (2011–2013), 435i, M235i, X3/X4 35i, X5 35i and others. Single twin-scroll turbo 3.0 inline…See the timeline →Timing chain and sprockets on an engineVolkswagen · 6 issuesVW/Audi 2.0T EA888 Gen 1 & 2Gen 1 (CCTA/CBFA): roughly 2008–2014 VW GTI, Jetta GLI/Sportwagen, CC, Tiguan, Eos, Audi A3 and TT 2.0T. Gen 2 (CAEB and relatives):…See the timeline →Audi TFSI turbocharged four-cylinder engine bayVolkswagen · 5 issuesVW/Audi EA888 Gen 32015 and newer VW GTI, Golf R, Jetta GLI, Tiguan, Atlas 2.0T, Passat 2.0T and Audi A3, A4, A5, Q3, Q5, TT 2.0T (exact years vary by…See the timeline →Volkswagen DSG dual-clutch gearbox on displayVolkswagen · 4 issuesVW/Audi DSG (DQ250 and DQ381)DQ250 6-speed wet clutch: many VW GTI, GLI, Golf R, CC, Passat and Audi A3/TT models, mid-2000s to late 2010s. DQ381 7-speed wet clutch:…See the timeline →Subaru boxer engine on a stand with the timing belt exposedSubaru · 5 issuesSubaru EJ25Non-turbo EJ25: roughly 1999–2012 Impreza, Forester, Legacy and Outback 2.5. Turbo EJ255/EJ257: WRX (2006–2014), STI (2004–2021), Forester…See the timeline →Porsche flat-six engine in the rear engine bayPorsche · 6 issuesPorsche M96/M97M96: 1997–2004 Boxster (986) and 1999–2005 911 Carrera (996). M97: 2005–2008 Boxster/Cayman (987.1) and 2005–2008 911 Carrera…See the timeline →Yellow MINI Cooper S hatchbackMINI · 5 issuesMINI N14 / N18N14: 2007–2010 Cooper S, Clubman S, Cooper S convertible and JCW (R55/R56/R57). N18: 2011–2016 Cooper S, JCW, Countryman S and Paceman…See the timeline →Mercedes-Benz V6 engine with its engine coverMercedes-Benz · 4 issuesMercedes M272 V6Roughly 2005–2011 C230, C280, C350, E350, ML350, SLK280/350, CLK350, R350, GLK350 and others with the 2.5, 3.0 or 3.5…See the timeline →Toyota Dual VVT-i V6 engine bayToyota/Lexus · 4 issuesToyota/Lexus 2GR-FE V6About 2005–2017 Camry V6, Avalon, RAV4 V6, Highlander, Sienna, Lexus ES 350, RX 350 and many…See the timeline →Honda V6 engine in an Accord engine bayHonda/Acura · 5 issuesHonda/Acura J35 V6Odyssey, Pilot, Ridgeline, Accord V6, Acura MDX, TL and others, from 1999 onward in many…See the timeline →

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