Not numerous cars can complement the style and also driving suffer of the BMW 3-series. It"s a little sporty vehicle with a solid engine riding ~ above a standard rear-wheel drive platform. The fifth-generation 3-series comes as a rear- or all-wheel drive sedan (E90), wagon (E92), coupe (E92) or a rear-wheel drive-only convertible (E93).

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2007 BMW 3-series interior.
all body layouts are easily accessible with a manual transmission. The 3-series internal is sporty-tight and also nicely-finished. Front seats are an extremely comfortable on lengthy trips. Crash-test ratings space pretty good. Overall, it"s a well-built car, however ownership expenses could it is in expensive. Is this a an excellent reason to happen on this can be fried driving machine? which engine is more reliable? Let"s watch closely. Model line-up: for the 2006 design year, the U.S. 3-series line-up contained the 325i and performance-oriented 330i sedan and also wagon; the coupe and the convertible carried over native the previous generation (E46). For 2007, the 325i and 330i were replaced by 328i and twin-turbo 335i and a fifth-generation coupe and convertible were added. The 335d turbo-diesel was added for 2009. Check out also: Pros and also cons of purchase a car with a Turbocharger. N52 Engine: The North-American 323 (Canada only), 325, 328 and 330 models come v the N52 inline-6 DOHC engine. The Canadian 323i has actually the 2.5L variation (N52B25), when the 325i, 328i and also 330i models come with different versions the the 3.0L N52B30 engine (UL, M1 and OL respectively).
The N52 is a lightweight high-tech motor through 4 valves per cylinder, change intake valve lift and variable timing. The aluminum cylinder block is incased right into a magnesium shell. That comes with hollow camshafts and also an electrical water pump. This engine has actually a maintenance-free time chain; there is no timing belt. In its entirety it"s a heavy performer.
2007 BMW 3-series inline-6 N52 engine.
The distinction in horsepower in between models is accomplished by different compression ratio, input manifold design and computer tuning. The 2006 BMW 325i (215 hp) and the 2007-2011 BMW 328i (230 hp) have a single-stage intake, if the 2006 BMW 330i (255 hp) come a the 3-stage DISA entry manifold. Does this median that you deserve to add more power to 325i or 328i through upgrading to a 3-stage intake and re-flashing the engine computer? Read much more below. N54 Engine: The 306-hp 3.0L direct-injected inline-6 DOHC N54 powers the high-performance BMW 335i because that 2007-2010 model years.
BMW N54 twin-turbo engine. Photo: BMW
The N54 has a pair of tiny low-boost (8.8 psi) turbocharges, every powered by three cylinders (123 and 456). Fuel is injected straight into cylinders by high-pressure piezo fuel injectors. Because of its complicated design, the N54 could be high-quality to maintain when the end of warranty, yet it has actually a lot more power. The stock 335i have the right to accelerate indigenous 0 to 60 mph in around 5 seconds. Read also: Pros and also cons of to buy a automobile with direct Injection. Fuel Economy: The diesel-powered 335d is very fuel-efficient (36 mpg or 6.5 L/100 kilometres on the highway because that the 2009, 2010 model) and also can acquire up to 435 mile to a tank, however, it"s rare on the used auto market. The 2 most usual U.S. Models, the 328i and 335i (2010 design year) obtain 18/28 and also 17/26 mpg city/highway respectively on premium gasoline. Problems: The digital steering lock is one of the trouble areas mostly in the 2006 and some 2007 models. Originally the yellow or red steering lock warning light can come on and the steering lock have the right to take part time to unlock intermittently. Eventually, the lock mechanism might fail completely, staying clear of the automobile from starting. BMW"s encourage repair involves replacement of the steering column, which can be costly ($1,200-$1,500). Lot of of repair info is easily accessible online. Part owners reported that reprogramming resolved the issue. Try googling ELV E90 repair.
Faulty exhaust-side hydraulic valve lifters (HVA) can reason a ticking noise after the engine is warmed increase in part 2006-2008 models with the N52 engine. Some owners reported the noise temporarily disappeared after a long highway journey or switching to a different form of engine oil. As per one of the BMW business bulletins (SIB), the 12 exhaust next lifters should be changed with updated components ($1,200-$2,000 repair). In some situations the cylinder head additionally had come be replaced to totally resolve the problem. This short article provides some more info. Some owners select to live through the trouble rather than spend money top top repairs.
2009 BMW 3-series sedan. Photo: BMW
A failed electric water pump can cause overheating. Another symptom could be the radiator fan staying on at high rate for a long time. This repair should be done as quickly as possible, together overheating can cause much more engine problems down the road. Typically a thermostat is encourage to be replaced in addition to the water pump. The repair could expense from $800 for a water pump only to $1200-$1800 v the thermostat. Oil leaks are an extremely common. The most frequently reported source is the valve sheathe gasket ($550-700), and the oil filter real estate gasket ($370-$600). Transmission pan and the connector sleeve might leak too. A failed ignition coil may cause the engine to misfire and run rough. Ignition coil replacement is not really expensive. If the spark plugs haven"t been replaced in a while, it could be a good idea to replace the spark plugs too. In the N54 engine, the high pressure fuel pump is a frequently mentioned problem. Symptoms incorporate long beginning time (long crank), reduced engine power and also Service Engine soon light. However, there to be a recall in 2010 and also according to part sources, the warranty has been extended. Review this post. This page on BMW USA website permits you to examine for recalls. Problems with turbochargers and wastegates are stated frequently. difficult door handles are regularly mentioned. Part owners report that sticky door handles deserve to be solved by lubricating them. Watch this video. A failing blower pan motor can create a squeaking noise. Part owners were able to remove the trouble by lubricating the motor bearings, however in many cases the heater pan motor had to be replaced ($550-650). It"s not a very challenging job. Here is the thread at A blown fuse can cause the power lock function to stop working, although in plenty of cases, it could be resulted in by a failing door lock actuator the will have to be replaced. See also: how to check a fuse in a car. Read this subject for an ext info. Other concerns include faulty VANOS solenoids, leaking headlight washer jets, cracked rubber cooling mechanism hoses and also suspension bushings, faulty home window regulators.
2011 BMW Frozen black Edition M3 Coupe. Among only 20 offered in the U.S. Photo: BMW.
BMW M3: because that the 2006, the E46 M3 carried over. The 4-th generation E9x M3 became easily accessible for 2008, as a sedan, coupe or convertible. The M3 has rear-wheel drive and comes v a naturally-aspirated 414-hp 4.0L V8 S65 engine. The 0 to 60 mph time is around 4.5 seconds. The M3 comes with a 6-speed hand-operated or 7-speed double clutch automatically transmission. It could be difficult to find a supplied M3 in an "old-lady-driven" condition and also it won"t it is in cheap: at the moment we did our study for this review, the average price in the U.S. For a 5-year old M3 was roughly $39,000. How well does the offered 3-series BMW hold its value?

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We have actually researched U.S. Prices and it looks favor the best drop in the worth of the 3-series BMW happens in the very first four year of property (see the chart). This method that you will certainly lose less money in depreciation if girlfriend buy a 4-5 year old or older Bimmer. When the new BMW 3-series MSRP is in the $40,000-50,000 range, an median retail price because that a 9-year old used automobile is approximately $11,600. Pros: Styling, excellent handling, comfortable ride, strong engine, affluent interior, condition-based maintain remainder, variety of accessible mods and also enthusiast support, lot of of owner forums and also do-it-yourself information. Cons: requires premium gasoline, expensive to maintain, potentially-costly problems, tight interior space, run-flat tires, no spare tire. Overall: It"s no secret that a provided BMW will certainly be an ext expensive to keep than a Honda or Toyota, which means you have to have spare cash available. Purchase an aftermarket prolonged warranty with great coverage is one option. The twin-turbo 335i will certainly need more expensive repair in the long run, while the 2009-plus 328i is a an ext sensible choice. Together of February 2020 customer Reports prices the 2006-2011 3-series poorly for reliability, largely for engine and also cooling system problems. A fix shop that specializes in BMW is your ideal option for servicing. If you like working on her car, recognize DIY information won"t be a problem, thanks to plenty of BMW enthusiasts. Overall, the 3-series is fantastic car to drive. If you recognize what come expect and are prepared to resolve potentially high-quality repairs, over there is no various other reason why they should be overlooked. We strongly recommend having the auto inspected by an independent dealer or BMW specialist prior to purchase. ~ an inspection, asking a mechanic what difficulties to intend in the future. Related reviews: Honda Accord 2008-2012 evaluation offered Toyota Camry 2007-2011 review supplied Mazda 6 2009-2013 testimonial Acura TL 2004-2008 evaluation What come look for once buying a supplied BMW 3-series: inspect the service history if available. Has actually the steering column already been replaced? any type of repairs come hydraulic valve lifters? were the oil alters done regularly? has the auto been severely overheated? avoid if yes. When inspecting the automobile on the lot: any type of signs of an accident repairs? carry out all the door handles, locks, windows, wipers work? any warning lights? any type of warning light needs to be correctly diagnosed and repaired before purchase, not just reset. Is there scorched oil smell in the engine compartment (this is typically a sign of oil leaks). Throughout a test-drive: In the N52, the ticking noise in ~ idle can be caused by a faulty lifter. In the N54, watch out for noisy turbochargers and wastegate rattles. Over there are number of YouTube videos that show various varieties of noises. Test the manual transition mode that the automatically transmission, part owners report a trouble with the tranny that avoids it native going right into manual shift. Read more: indications of difficulties to watch out for as soon as test steering a provided car. Prior to buying, have the automobile inspected through an independent BMW specialist or a dealer. 3-stage intake upgrade for the 325/328: This thread in ~ E90Post provides a summary. This post describes the upgrade process and the results. This update won"t it is in cheap, however the outcomes are interesting. Run-flat tires vs conventional: The benefit of the Run-Flat tires is the they can be thrust temporarily at restricted speed also without pressure. However, car equipped v run-flat tires have actually no preventive tire. Over there is an ongoing controversy on run-flat vs. Traditional tires, with plenty of BMW owners complaining about the rough and also noisy ride and replacement price of run-flats. Some owners decided to switch to standard tires. This short article describes a clever way to save the preventive tire and also the jack in the trunk. The run-flat tires have the right to be known by a snail-like symbol. Maintenance: follow to the 2008 3-series owner"s manual, the 3-series calls for High Performance synthetic Oil; 5W-30 or 5W-40, relying on climatic conditions. BMW doesn"t clues oil change intervals; instead, the problem Based business (CBS) mirrors current and future maintenance needs on the service Interval Display. There is a disagreement about whether come stick to CBS oil readjust intervals (around 15,000 miles for E90) or have actually the oil transforms done much more often. Part owners prefer transforming oil at 7,500-10,000 miles, which seems more reasonable at greater mileage, especially considering that 2014 and also newer BMW switched to 10,000-mile CBS intervals. In the N54 as in any kind of turbocharged engine, oil is subjected to higher temperatures and also degrades also faster. BMW engines are well-known for oil consumption, which means the oil might need to be topped up when in a while. For this reason, it might be a an excellent idea to store a spare party of engine oil in the car. BMW USA owners - download an digital copy of the owner"s manual and also check for security recalls (VIN - number required) BMW Service and also Warranty books - download Service and also Warranty Guide. It consists of maintenance needs for item not extended in CBS (spark plugs, oxygen sensor, automatic transmission fluid, etc.).