Edmunds: Full Test review: 2008 BMW 135i Coupe

[darknightohio]

By Dan Edmunds, Director of Vehicle Testing Email | Blog
Date posted: 03-17-2008
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"From here it looks like a pot-bellied pig," says Chief Road Test Editor Chris Walton as he points to the nose and scooped-out door profile of the new 2008 BMW 135i Coupe.

"Check out the overhanging character line above the taillights," we prompt. "Is this the new BMW 1 Series or a Corvair?"

You'll have to forgive us. We're taking a break from flogging BMW's 3.0-liter twin-turbocharged wünder-coupe and, frankly, we're more than a bit giddy. Three hundred horsepower and a similar dose of torque will do that to you, especially when it's in a shrunken rear-wheel-drive coupe that weighs less than a BMW 335i that shares the same engine.

E-Speak
The peerless BMW 335i has earned endless praise from us for its solid construction, balanced handling and stonking twin-turbo engine. So far it's batting a thousand when it comes to victories in our comparison tests.

But in becoming more refined, the E92 (that's BMW techspeak for 2007 and later 3 Series coupes) has gained size and weight, so its communicative responses have been muted. Well, that's what BMW fanboys will say, anyway.

That's where the 2008 BMW 135i Coupe (a.k.a. E82) comes in. Sure, when the 1 Series comes in the guise of the 2008 BMW 128i, we'd call it an entry-level Bimmer. But the inclusion of "the Engine" (as we find ourselves saying) is proof positive that BMW knows what its core enthusiasts really want.

Anti Super-Size Me
How much smaller than a 2008 BMW 335i is the new 2008 BMW 135i Coupe? At 172.2 inches, the U.S.-spec 1 Series gives up 8.1 inches of length. It's even 3 inches shorter than the E30 3 Series of the 1980s and only 0.7 inch longer than the E21 3 Series of the 1970s.

The greenhouse of the 1 Series coupe is something of a bubble, resulting in a 55.4-inch height, ample headroom and general proportions that fall between the E30 and E36 coupes. Notable deviations from the vintage BMW formula for sport sedan proportions include a higher beltline and a wider stance.

Interior space is suitably ample up front, but unless the front seat occupants are of below-average height, the rear seats are a kids-only proposition. This 6-foot-2 editor was able to travel with his 9-year-old daughter seated behind, but only just.

So the 1 Series coupe clearly doesn't share the "too big" problem of the 3 Series.

As compact as it is, the new 135i is no lightweight. It's still a full-featured premium piece, and it shows evidence of the mass that comes from 20 years of safety advances plus the "must-have" thinking about convenience features that shapes the thinking of product planners everywhere. Our test car tips the scales to the tune of 3,399 pounds, some 172 pounds less than a 335i, but still 200 or so pounds heavier than the similar-size E36 BMW M3 of the 1990s.

Cue the Bigger Hammer
But the 135i has a not-so-secret weapon that those lighter, earlier BMWs didn't have: a twin-turbocharged, direct-injected straight-6 engine that not only produces 300 hp but also packs a 300 pound-feet wallop of torque from 1,400 through 5,000 rpm.

On the road, the power delivery of the turbo six is so smooth and relentless that it makes the 1 Series fast — very fast — but never furious. This engine simply grunts it out and pulls hard from the bottom of the tach to its redline at 7,000 rpm. And the thrill quotient goes up because all this is happening in a car that's almost 200 pounds lighter than the engine's customary 3 Series package.

So the 1 Series coupe doesn't share the "too fat" problem of the 3 Series.

At the track, the twin-turbo big hammer drove our 135i down the quarter-mile in 13.3 seconds at 104 mph. The 2008 Subaru WRX STI with 5 more hp and 48 fewer pounds does the same time in the quarter-mile, but with a slower 102.4-mph trap speed.

While the STI edges the 135i's 5.0-second acceleration to 60 mph by a fraction thanks to the launch traction afforded by the Subie's all-wheel drive, the BMW ultimately has the legs at the top end and catches the STI at the finish line.

This performance does nothing to dispel our continuing suspicion that the 300-hp rating of the twin-turbo inline-6 is conservative at best.

Sometimes the Small Numbers Are Best
A shorter wheelbase gives the 1 Series a dimension of agility that the 3 Series lacks, and it measures 104.7 inches, some 4 inches less.

The suspension layout of the E82 is similar to that of the larger 3 Series. It still carries front struts with split lower arms and dual lower ball joints, while the rear retains the latest multilink layout. But both ends have been recalibrated for the 1 Series application.

Our 135i coupe came with standard 18-inch Bridgestone Potenza RE-050A run-flat summer tires: 215/40R18s up front and 245/35R18s in the back. We're still deeply skeptical about the performance of run-flats, even after the latest improvements. The mega-stiff sidewalls of the 050As disrupted an otherwise tame ride whenever we encountered abrupt, sharp-edged breaks in the pavement or even pronounced ripples.

We wish BMW would offer us the option of conventional tires or space for a spare. But since the battery resides in the trunk to help achieve a weight distribution of 52 percent front/48 percent rear, a spare has no place to live.

Ultimately, We Drive the Machine
Spirited back-road driving proves the 2008 BMW 135i Coupe can deliver the goods, as it dispatched corners with crisp turn-in, an eager willingness to change direction and impeccable grip, without sacrificing the road-worthy poise of the 335i that we love. On our test track, this translates to a blistering 72.4-mph run in the slalom, easily outpacing the last 335i we tested (69.5 mph) and edging the 2008 STI (72.0 mph). Skid pad figures are a wash, as both BMWs generate 0.89g and the STI makes 0.90g.

Understeer has been rumored to lurk within the 135i, but it didn't rear its head until we hit the road-racing track, where high-speed sweepers at the limit work the outside front Bridgestone mighty hard. Track-day junkies might want to make changes, but we think most everyone else will have no complaints.

Our 135i came with six-piston fixed-caliper brakes and 13.3-inch rotors. These calipers (something we'll see more of, our BMW sources tell us) seem like overkill when the heavier 335i and faster M3 do quite well with rather pedestrian single-piston sliding calipers. But the advantage might come in the form of consistently firm pedal feel over several days of determined street driving and extended track testing. This 1 Series comes to a stop from 60 mph in 109 feet.

It's Nice in Here
Inside the cabin, our 135i includes the Sport package, a $1,000 option consisting of an M-sport steering wheel and Shadowline trim, plus an elevated limiter for top speed. The package also includes terrific eight-way manually adjustable seats that adjust quickly, hold on tight in corners and look great. Why spend the money for optional power seats?

Handsome textured aluminum accents are applied with strategic restraint in the interior. BMW is one of a few carmakers that have figured out that accents that have the dull sheen of hand-worn metal look more upscale than any sort of chrome. And no sunlight gets reflected back into the eyes of the driver, either.

The Bottom Line
The base price for the 2008 BMW 135i is $35,675. After adding the options (including the $1,450 Boston leather upholstery) plus a $400 iPod and USB adapter and the $600 Cold Weather Package, our car's as-tested price is $39,125. And beware, because many high-cost options lurking on the options sheet can drive the price much, much higher.

It's hard to pin down the competition for the 2008 BMW 135i. On price and track performance, this test car matches up quite well with the 2008 Subaru WRX STI we tested, which costs $39,440. It matches up on performance, too. That's not bad company to be in, but at the end of the day, the Subie is no BMW.

Is the 2008 BMW 135i Coupe worth it? It depends. It's easy to go overboard with the options and jack up the price of the 135i so it no longer makes sense.

If you value a high level of steering and handling refinement and outright twin-turbo nirvana in a package that's small enough to toss around, and you can live with limited backseat space, the 2008 BMW 135i is like nothing else.

And it doesn't matter that the pot-bellied BMW 135i isn't the most beautiful car in the world. If you're doing it right, you'll be on the inside, working the steering, pedals and shifter with a huge grin on your face, happier than a pig in, well, you know.

The manufacturer provided Edmunds this vehicle for the purposes of evaluation.
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http://www.edmunds.com/insideline/do....photopanel..1.*

Video will probably be up tomorrow...

[bmwzimmer]

OUCH, Close to 3400 lbs???

[E82tt6]

Interesting. Better in all regards except skidpad numbers compared to both Evo and STI, including the much more telling Slalom numbers.

Looks like this ends the debate as to the performance of the 1'er vs the STI and Evo. It is superior.

PS: Also, the 3400 lbs suggest that the sunroof adds more than 100 pounds! A sunroof free Euro car weighed in at under 3300lbs. WTB Aftermarket CF roof! That would make a HUGE difference in handling.

[BForbes]

This thread should be renamed STI-KILLA !!!

[hellrotm]

Originally Posted by bmwzimmer

OUCH, Close to 3400 lbs???

Is that news to you???? It has been on the BMW site for months.

135i - 3373 lbs, 198 lbs less than the 335i coupe.

Shorter wheelbase combined with the ~200 lbs less weight, is how it got such better slalom number than the 335i.

Edmunds:
"On our test track, this translates to a blistering 72.4-mph run in the slalom, easily outpacing the last 335i we tested (69.5 mph) and edging the 2008 STI (72.0 mph)."

New M3 coupe was tested at 71.4 mph by Road & Track.

[E82tt6]

It was tested at just over 73 mph by edmunds, but it's still clear that the 135i is AT LEAST equal to it in the areas of handling manners and agility.

[slipkmaggot]

[quote=darknightohio;82469]

quote]

does the car seem strange in this pic or is it just me?

[Bringinthewolf]

"That's not bad company to be in, but at the end of the day, the Subie is no BMW."

Perfect.

[hellrotm]

Originally Posted by E82TT6

It was tested at just over 73 mph by edmunds, but it's still clear that the 135i is AT LEAST equal to it in the areas of handling manners and agility.

Yep, Edmunds full test M3 coupe.

Slalom (mph):73.3
Skid Pad Lateral (g):0.95

[Evolved]

Originally Posted by E82TT6

Interesting. Better in all regards except skidpad numbers compared to both Evo and STI, including the much more telling Slalom numbers.

Looks like this ends the debate as to the performance of the 1'er vs the STI and Evo. It is superior.

PS: Also, the 3400 lbs suggest that the sunroof adds more than 100 pounds! A sunroof free Euro car weighed in at under 3300lbs. WTB Aftermarket CF roof! That would make a HUGE difference in handling.

The Evo wasn't mentioned once in the entire article. Also the 135i and the STi put up almost identical numbers in every category that they mentioned so saying that either one is "superior" is a little biased. But hey, this is a BMW site.

[dna550]

[quote=slipkmaggot;82508]

Originally Posted by darknightohio

quote]

does the car seem strange in this pic or is it just me?

The 135i is pulling some G's in a right-hand corner and hit some dust on the edge of the track, otherwise, it seems completely normal to me.

Having driven the 335i on the track and the 135i briefly on some nice roads and freeways, I would say that this Edmund's review is right-on in every respect.

The 135i is a unique vehicle that will put a grin on your face.

[larryn]

Originally Posted by bmwzimmer

OUCH, Close to 3400 lbs???

A superlative article in favor of the 135i in almost every known measurement, yet you chose to quote a known fact as your only comment?

Que, por favor? oder Warum, bitte? Curious... not intended as a slam.

Personally, I'm all the more psyched to get my hands on mine. I wish some of those pics in the article were higher resolution, and they'd be my new desktop image. I also loved the quote that at the end of the day, the Subie is no BMW...

[larryn]

Originally Posted by slipkmaggot

does the car seem strange in this pic or is it just me?

It's a trick that's being played by lighting on the surface of the face of the car, making it appear a bit distorted. I see it a bit too. It almost makes it appear as if they used photoshop to remove some lens distortion, and it cause some unintended curvature.

[bmwzimmer]

Originally Posted by larryn

A superlative article in favor of the 135i in almost every known measurement, yet you chose to quote a known fact as your only comment?

Que, por favor? oder Warum, bitte? Curious... not intended as a slam.

Personally, I'm all the more psyched to get my hands on mine. I wish some of those pics in the article were higher resolution, and they'd be my new desktop image. I also loved the quote that at the end of the day, the Subie is no BMW...

Because it's supposed to weigh around 3200 lbs (curb). Obviously the Unladen weight is close to 3400 lbs but the curb should be closer to 3200 lbs. Even without power seats it still weighs this much?

Edmunds claims a "as tested" weight but it also claimed the 335 weighs 3579lbs while Car and Driver tested it at 3380lbs. I'm just confused about how these magazines get all kinds of different numbers....

Anyways, YES it's a fantastic article. It's just that little tid bit stuck out at me harder than anything else.

[larryn]

My guess is that they did not weigh it then. :iono:

If I can get a a confirmation that I can pick it up tomorrow, I'll go down to the sand and gravel weigh station and see for myself. Advevo already weighed his 135i, and it was 3300lbs w/full tank, 3218lbs empty.

[dclee1]

Nicre review, but I think reading all these reviews and posts about people getting delivery of their cars is making my wait even worse. I didn't think that was possible. Seriously, people ask me if I'm excited about my Euro trip and I start babbling incoherently b/c it's been building up for so long and the wait is clearly getting to my head.

On another note, here is a robot smiley.

[adc]

I found it very interesting that it posted a 109ft 60-0 stopping distance on those stupid runflats.

If nothing else, this is one of the shortest stopping distances for a stock production car on street tires.

It also happens to match the stopping distance for the E46 330i ZHP, a car that is lighter and runs on wider better tires. This tells me that something else has changed for the better: anti-dive characteristics, suspension geometry, balance or ABS - or a combination thereof.

I can't wait to test drive it, this afternoon if all works as planned.

[Amulett]

Originally Posted by Evolved

The Evo wasn't mentioned once in the entire article. Also the 135i and the STi put up almost identical numbers in every category that they mentioned so saying that either one is "superior" is a little biased. But hey, this is a BMW site.

I wouldn't really consider the two (Subie vs. BMW) in the same realm. One's a 5-door, one's a 2-door. One's got all-wheel drive and one's got rear-wheel drive. IMO, that's not an even comparison. While they might get the same numbers, I'd give the STi a higher daily-driver rating. I'm no STi fan, but it just certainly seems like people are stroking their e-peen by saying that they're comparable speed-wise to an STi. I like the 135 for sure, but being in Michigan where we saw >100" of snow this year, something like the 135 seems a bit impractical as a daily driver, even with snow tires.

[larryn]

Amulett, have you driven winters with a modern BMW with snow tires? I have both a A4 2.0TQ, and modern BMW with snow tires, and they both do very well in nasty weather.

[ChrisK]

I need a towel....

[Amulett]

Modern, no... We had a Z3 (RIP) that was absolutely horrid IMO. Your comparison between winter driving in an A4 and modern BMW is comforting. Did the A4 have winter tires as well?

I can say from experience that the current setup -- quattro with snows -- is pretty impressive and more fun than dry, yet I still find myself plowing my own way on many occasions. That's where something like rwd would worry me, regardless of electronic assistance. I live for snowy days when I can go out and slide around corners before traffic clogs the roads.

[darknightohio]

Video is now up:
http://www.edmunds.com/insideline/do....photopanel..1