2007 BMW 525 Review (continued)
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Walkaround

Many buyers will find the BMW 5 Series a near-perfect size. It seems more substantial than some small luxury or sport sedans, with more usable interior space. At the same time it's not so physically bulky as large sedans, and therefore easier to maneuver in tight spaces and to park.

The 5 Series sports BMW's now-familiar corporate design themes, introduced on the larger 7 Series sedan and subsequently applied to the smaller 3 Series. BMW's new approach to styling has been discussed as frequently as any in the car world, and more than occasionally criticized. On the 5 Series at least, the curvy front-end, flat sides and high rear deck stand out less than they once did. That may simply mean we've grown more familiar with the shape, rather than more appreciative.

The critics contend that, with the flared-nostrils look in front and the chunked-off shape of the trunk lid, the 5 Series seems almost like two halves taken from different cars. In our view, the lines create a fairly compact appearance, and that may be part of the problem. The 5 has the appearance of a well-built mainstream sedan, and that may not be the precedent one expects for an expensive European job. In any case, the look doesn't seem to have hurt 5 Series sales.

The comma-shaped, wraparound taillights apply a technology introduced by BMW that has spread to a number of makes. The company calls them adaptive brake lights, and they illuminate more intensely, over a larger area, when the anti-lock brake system engages, in other words when the driver is braking as hard as possible. The point is to inform drivers following that it's stopping quickly, possibly in an emergency situation. It could help, if the driver following correctly interprets the increased intensity of the brake lights.

BMW re-introduced a 5 Series wagon for 2006. The big difference, of course, lies behind the rear roof pillars and back seats, where the 5 Series Sport Wagons offer more load-carrying potential and versatility than the sedan. The rear gate opens electrically, with a switch on the key fob or dashboard, and swings very high for easy access to the load floor. A big reflector on the bottom of the gate adds an element of safety in darkness.

The lift gate has a soft-close feature. When it's lowered, it automatically sucks itself shut, no slamming required. The glass window opens separately, which is convenient when dropping a briefcase or a couple of bags in back.

New for 2007: Xenon adaptive headlights are now standard on the 530i and above. The xenon high-intensity discharge headlights offer a brighter, more intense, more white light that appears blue when we're used to seeing halogen lights with a warmer, relatively yellow light. Adaptive means the lenses turn slightly with the steering, throwing light around a curve in the direction of travel.

Interior Features

BMW's current 5 Series sedans are noticeably roomier than the previous-generation, pre-2004 models. Front passengers have a fraction more shoulder and head room, but the improvement is more obvious in the back, where there's more shoulder room and a lot more legroom. Increased cabin space put the 5 Series on better footing with key competitors like the Mercedes E-Class, Audi A6, and Lexus GS.

The finish and quality of materials is nice. Soft plastics covering the dashboard and doors are handsome and rich to the touch. The seats feature a draped-leather look, with the upholstery hung loosely over the seat frames. Leather inserts in the front door panels compliment the seats.

The standard 5 Series seats are very good, with above-average support and just enough give to keep from feeling hard. The seats in the optional Sport Package have so many adjustments that those who lean toward obsessive/compulsive may start stressing out as they try to settle in. If you can get them just right, save the position in memory, because these are some of the best seats in the business. They're firm, but not church-pew hard like the previous-generation sport seats.

The 5 Series dashboard applies BMW's familiar double-wave theme, with one wave or bubble over the instrument cluster, defining the driver's area, and another that begins over the dash center and sweeps toward the right side. From a functional view point, it's an effective design. The instrument cluster features two gauge pods, with the gas gauge wrapped inside the analog speedometer and a miles-per-gallon gauge inside the tach. The tachometer has a variable warning LED that circles the gauge. When the engine is cold, this LED extends to 4200 rpm, then gradually increases the rpm limit to the redline as the oil warms up.

The center dash is dominated by a large electronic screen that displays various control functions, system readouts and the navigation map or Night Vision image when the car is so equipped.

There are vents below the screen and on either side off the steering column that move an impressive quantity of air with minimal fan noise. Three big climate control knobs sit below the display screen, for fan speed, temperature and airflow direction.

There's also a volume knob next to the CD slot, a station selector on the right steering wheel spoke, and phone controls on the left spoke. Window switches are just above the armrest, and right where the hand naturally rests. In short order, these knobs will become the 5 Series driver's best friends.

That's because almost everything else, including some basic stereo functions, is controlled by i-Drive, the computer interface that manages virtually every system in the car. The master control is a big aluminum knob on the center console between the seats. The knob is easy to locate from the driver's seat without a glance, and with each move of i-Drive, menus appear on the video screen. In effect, the system works something like the point-and-click operation of a computer mouse, though there is no cursor.

The problem is that it can be confusing to use i-Drive to wade through various menus to get to the function that needs adjustment. At best, it's difficult to master, and while BMW has simplified the system by reducing the number of movements for the main control, and adding a Main Menu button, it still takes time to get used to i-Drive. Operation becomes more intuitive with time, but many still find it a cumbersome way to make everyday adjustments.

HD Radio, new for 2007, delivers digital audio quality, with FM reception that is supposed to sound like a CD and AM that replicates traditional analog FM. Our test car had HD radio, and it's great, with a caveat. When it locks on a signal the clarity and fidelity is amazing, especially on the AM band. The problem is that, depending on where you're driving, the radio can fluctuate from HD to standard broadcast as signal strengths changes, the same way a conventional FM radio can switch from stereo to mono when the signal weakens. It can happen several times a mile, and become a bigger annoyance than it's worth.

BMW's optional head-up display projects a 6x3-inch rectangle on the windshield, focused so the display appears to be at the end of the hood, rather than right on the glass. Using iDrive, the driver can adjust the HUD's intensity and the information it displays. Options include road and engine speed, various warnings prioritized according to urgency, cruise control settings and navigation instructions. If you like it, you'll love it, but we don't find HUD to be a great safety or concentration aid.

Storage inside the 5 Series is so-so. The glovebox is fairly big, but usuable space in the center console is small. The door pockets are lined with a velveteen material, and it's valuable for keeping sunglasses from scraping on hard plastic if they slide in stop-and-go traffic. On the other hand, the pockets are so shallow that anything much larger than sunglasses wants to fall out when the door is opened or closed.

The back seat in the 5 Series makes good accomodations. There's plenty of space for two average-size adults, three in a pinch, with all the amenities. The reading lights are excellent. Our 550i had rear seat heaters, with switches on the back of the center console, along with two high-flow airvents and a pair of 12-volt power points.

The high rear deck has increased the size of the 5 Series trunk. With 14 cubic feet of trunk space, this BMW is mid-pack among sedans of similar dimensions. Load height is just above the rear bumper, and the 5 will accommodate even larger items with the folding rear seatback, which is optional. It's hard to imagine a buyer not wanting the flexibility the optional folding seat offers, and the seatback can be locked to prevent access to the trunk. Still, if hauling pets or cargo is a priority, there is always the 530xi Sport Wagon.

BMW re-introduced its 5 Series wagon for 2006, and we like it. From the handling, accelerating or braking standpoints, it gives up nothing to the 530xi sedan, and it adds another dimension of utility. Cargo volume increases to 33.6 cubic feet, floor to ceiling, with the rear seat in place. With the rear seat folded forward, the 5 Series wagon can swallow up to 58.3 cubic feet of stuff, more than the typical small SUV. The load area is flat, too, and nearly four feet wide. The cargo area is fully lined with thick, soft carpet, and it's full of convenient features, including four separate enclosed bins, cargo tie downs, bag holders, a power point, a cargo cover at seat height and a roll-out cargo net.

For 2007, the Sport Package includes a new three-spoke steering wheel and multi-contour seats with 20 separate adjustments. An auxiliary audio jack has been added to all 2007 models located at the rear of the center console, which allows MP3 players such as the Apple iPod and other audio devices to be played through the car stereo.