BMW 335i Reliability issues (N54) - 4 Common Problems!

4 Bmw 335i Reliability issues you should know about! If your looking to purchase a BMW 335i equipped with N54 engine, you might want to reconsider.

I have owned a one for about 3 years and i can tell you that this car can be very fun but at the same time very stressful to own. I'll be breaking down 4 common issues found in the N54 engine model of the 335i. Hopefully with this guide I'll be able to help shed some light on potential headaches you may experience as an owner to this BMW.

Don't get me wrong. I absolutely adore my BMW and would never consider getting rid of it. In my opinion the positives out weigh the negatives. The BMW 335i is a joy to ride. That said, it might not be for everyone.

Shop performance mods here:

6 Reasons Why You Should Buy An "UNRELIABLE" BMW 335i - 5 Years of Ownership

5 Things You Should NEVER Do After Buying A BMW 335i *EXPENSIVE MISTAKES*

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[Osamabeenleanin]

eBay has the valve cover and gasket together for $75, the water pump for $105, the fuel pump for $110, and the turbos are $655 (OEM) or about $850 for performance ones. So about $1, 200 in parts just so y'all know

[johnforsyth]

I can agree if you plan on keeping the car stock those problems may seem significant, but if you are someone who plans on modifying and tuning their car, those issues are honestly no big deal in the scheme of things. A motor that can put our 700hp safely on stock internals is an engine worth a little maintenance.

[mike_oe]

2011 335is DCT here. 55.000 miles. Broken water pump, check. Leaking valve cover, check. Broken steering rack, check. Ignition coil replacement, check. Apart from that lovely car with 400whp. Lightning fast.

[atinoteintunovas]

Thanks for the advice friend!! Take care! Mines is a 335i 2209 and I am about to change exactly that; the water pump, thermostat and radiator to make all new. Don't want to go back and open to just change another stupid part. Thanks again buddy!!!!

[fuckjewtube]

As a mechanic (and N54 owner) the number one mistake I see people make with this car/engine is they don't maintain them OR when 1 part fails they don't fix everything else that is going to fail soon. Example: Oil cooler seal. If your oil cooler seal is gone it takes your belt out and wraps it around the crank seal (everyone here knows that). The problem is if your oil cooler seal is gone your oil filter housing seal is going very soon and so is your valve cover gaskets. Now you're going to pay 3-5x labor (at $100+ hour) because you're going to let the filter housing seal go and then it takes your crank seal out AGAIN and then the same happens with the valve cover gaskets. Just do all the seals at once, they're all gone. It's so much cheaper than replacing the crank seal, belt and having to remove the fan and top engine cover multiple times. This all happens within a few months of each other and the owners think this car is horrible when it really isn't.

[krisilal]

I've had my 2007 335i for about 5 years now. Has 180, 000 miles on it. Replaced the turbos/wastegates, injectors, ECM, and water pump (among other smaller things). Almost all of these problems occured after 160k. Thing's a beast when running well.

[jpmoor]

This is hilarious. I have a 2007 335i 6spd manual coupe that I have had since 2007. I have had to fix every single one of these issues. I paid $35K for the car. I have over $10K in repairs on it and some of the majors got covered by warranty, but of course the most expensive were on my dime. 2020 I still have it taking up a spot in my garage to drive about every 3rd weekend. Wife begs me to get rid of it, but still love it.

[Briante]

Bro idgaf. I'm going for it. 2 years wanting one but been on the fence because I got enough problems in life I dont need a car that can double them. Keep posting up

[sigurdursigurbjornsson]

Don’t forget the oil filter housing seal. It will get oil on the bel and wrap it around the crack pulley.

[OroborusFMA]

The water pump on my 2012 335 coupe failed at about 42, 000 miles. Had to replace the "inlet/outlet solenoid valves" a month later. I sure hope that's it for while.

[gloglo]

I bought a very nice 335i convertible. It is fully loaded. After buying it literally getting on the highway and check engine light on. I’ve been trying to figure out what it could be, and it keeps going different direction. First I thought it was the HPFP, I then had it scanned by an expensive scanner, and there was nothing about that HPFP. It was reset and as soon as you open it up you get the check engine light. I get an erratic idle when it is cold and have video of it. I got s code for the exhaust camshaft solenoid. I took them both out cleaned the one and replaced the one for the exhaust. I went to start it in the morning after doing that hoping it would make a difference, but it was sputtering when I first turned it on.

[josephramos]

I’m looking to buy one I really appreciate you telling us some of the big problems to look out for

[jeyavarmen]

i had this exact problems 2007 335i and replaced water pump 130, 000.00 km( 400 $), , plugs,heater fan, at 200, 000 oil leak valve cover(250.$)door lock, when oil leak on belt it will damage the belt and break the cooling fan too. (300$), the car will shut down.radiator hose break down.But the car has 300 hp, 300 ft lb torque and will beat most cars on stand still acceleration .if you cut the exhaust and put straight pipes (380 $) you get a amazing not too loud sound and crackle with steptronic shift down shift . it is worth the repair cost.you can replace the rear tires with 285x18x30 will give a sporty look will cost you 1000 $ for the rim and tires.turbos run with exhaust gases called -by twin turbo. I had a problem in side the electronic shift had to take the gear shift cover out and fix the wires too. they are very flimsy.I have a friend mechanic who was fixing the issues in toronto with out rip off. parts are cheap and readily available for these 335i cars .

[randomuser]

I would get one but the turbo failure scares the hell out of me.

[smeltelf]

You forgot to mention another very common problem...fuel injector issues

[dani]

all he says is true, he is right, i had all these issues.great video

[ruibeto]

Thank you for the fuel pump info ! (I own a 2008 335i coupe)

[onewitdaforce]

Late here but im glad im clear on those issues, but i stull have check engine light, trac control lights, and brake light

[mcgyverb]

Good video but there’s no doubt from 2004 up to 2008 bmw is notorious for having issues, the 2009 up to 2014 is far better reliability.

[thenov]

After seeing this Good / informative video , having serious second thoughts about buying a 2013 335 i Convert Twin turbo Engine 49, 000 miles decent looking body & very nice interior . Not knowing the past maintenance from previous owners , I 'm thinking this model of car could be a " Money Pit " because of the cost of parts & labor ! Can' t really enjoy a car if its in the shop much of the time ! Advice from any BMW owners ? ?