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Car Forum / BMW Cars / June 2006En gine size
Folks, would anyone have an opinion as to whether buying a 3 series car with 30,000 miles on the clock,would be a worse deal than buying a 5 series with the same mileage?Both being otherwise equal..I'm speaking of engine longevity.ie;are the engines of these models the same and only differ in cubic capacity? Regards > Folks, > would anyone have an opinion as to whether buying a 3 series car [quoted text clipped - 5 lines] > > Regards EH ? What on earth are you gabbling on about ? ? .If you can't understand the question,you can't understand anything.! > > Folks, > > would anyone have an opinion as to whether buying a 3 series car [quoted text clipped - 7 lines] > > EH ? What on earth are you gabbling on about ? ? I have a 520 which I bought because I could not find a 3 series I liked in the time frame allowed. Now when I sit in a friends 325, I am annoyed by how small it is. I have grown to love the extra room in the 5. >I have a 520 which I bought because I could not find a 3 series I liked > in the time frame allowed. > > Now when I sit in a friends 325, I am annoyed by how small it is. > I have grown to love the extra room in the 5. What do you do with all that extra room? > I have a 520 which I bought because I could not find a 3 series I liked > in the time frame allowed. > > Now when I sit in a friends 325, I am annoyed by how small it is. > I have grown to love the extra room in the 5. Try sitting in a z3! > would anyone have an opinion as to whether buying a 3 series car > with 30,000 miles on the clock,would be a worse deal than buying a 5 > series > with the same mileage?Both being otherwise equal..I'm speaking of engine > longevity.ie;are the engines of these models the same and only differ in > cubic capacity? The engines in them are the same, period. FloydR They're not the same period,they're bigger.That means the the cc is different.Read the question. > > would anyone have an opinion as to whether buying a 3 series car > > with 30,000 miles on the clock,would be a worse deal than buying a 5 [quoted text clipped - 6 lines] > > FloydR > They're not the same period,they're bigger.That means the the cc is > different.Read the question. [quoted text clipped - 11 lines] >> >> FloydR Floyd is mostly correct. (In the U.S.), the 3 and 5 series share the same 3.0 liter 6 cylinder engine in both 215 and 255 hp versions. The 5 series is also available with a 5 liter V8. So if you are comparing a 325i with a 525i, the 5 is larger ( a little over a foot longer) and weighs about 75 pounds more - but the engine and drivetrain are exactly the same. Tom K. > They're not the same period,they're bigger.That means the the cc is > different.Read the question. Would you like to provide the source of your (mis)information? > would anyone have an opinion as to whether buying a 3 series car Which 3 series? > with 30,000 miles on the clock,would be a worse deal than buying a 5 >> > series Which 5 series? If we're talking about same model year, then a 325i and a 525i share the same engine; same thing with 330i and 530i. Pete > "G.Gordon" wrote >> They're not the same period,they're bigger.That means the the cc is [quoted text clipped - 6 lines] > If we're talking about same model year, then a 325i and a 525i share the > same engine; same thing with 330i and 530i. Perhaps if G.Gordon would look at http://www.koalamotorsport.com/tech-1.asp or http://www.unixnerd.demon.co.uk/enumber.html, it might make more sense to him. FloydR > They're not the same period,they're bigger.That means the the cc is > different.Read the question. Your question was flawed. The two cars (3 series and 5 series) are available with the exact same engines. You did not specify which engines you were talking about. Don't be such a putz. You can go back to wherever you came from now.  Signature-Fred W You need to learn how to post. I am a flagrant top poster, but when I follow another person in a discussion, I always observe the way they posted. I've seen three of your posts, and one was the original that started this thread. In the other two, the reply was posted below your questioin, and YOU posted a follow-on at the top. Now, you are arguing the answer to a question you asked. If you are going to argue the answer, do not ask the question. Given the way BMW names their cars, a 325 and a 525 have the same motor. The 5 only has a bigger motor if the last two digits are higher than 25. For example, the 535 is larger than the 325 of the same vintage because the last two digits are higher. The 530 has the same motor as the 330. > They're not the same period,they're bigger.That means the the cc is > different.Read the question. [quoted text clipped - 11 lines] >> >> FloydR Thanks to everyone who responded to the question,even the people who had a go at me for some reason or another. I'll away and mull over the feedback.Regards. > You need to learn how to post. > [quoted text clipped - 27 lines] > >> > >> FloydR Nobody had a go at you. You asked, they answered, you argued, they replied to your argument. Your original question was flawwed at best, and yoru premise was flat out wrong. In a BMW (for the most part) the first digit (3, 5, 7) refer to the body or chassis, the last two digits are the engine size in liters. If the last two are 25, then the motor is 2.5 liters, 35 is 3.5 liters. After the '96 model year they had to distinguish from the OBD I (1) and OBD II (2) motors, and the 323 and 328 were born. These are essentially the 2.5 liter motor, and one is detuned a bit. So, if you were to compare a '95 325i against a '96 528i, you have the same motor, but the 328 is OBD II compliant. Its displacement is the same as the 325i. PS You still need to comply with the posting ettiquette, observe how the discussion is going and follow along. I'm not going to rant about top posting because I do that alot, but I typically only do it when I am the first to reply to a new post, or when others are already top posting. It REALLY sucks to have one person (you) top post when the others are using the proper format. Get with the program, or go away. > Thanks to everyone who responded to the question,even the people who had a > go at me for some reason or another. > I'll away and mull over the feedback.Regards. <snip rest> > After the '96 model year they had to distinguish from the OBD I (1) > and OBD II (2) motors, and the 323 and 328 were born. These are > essentially the 2.5 liter motor, and one is detuned a bit. So, if you > were to compare a '95 325i against a '96 528i, you have the same > motor, but the 328 is OBD II compliant. Its displacement is the same > as the 325i. Another "discrepancy" is the current 325i and 525i sold in the US. They both have a 3 liter engine. Cheers, Pete > In a BMW (for the most part) the first digit (3, 5, 7) refer to the body > or chassis, the last two digits are the engine size in liters. If the last [quoted text clipped - 4 lines] > against a '96 528i, you have the same motor, but the 328 is OBD II > compliant. Its displacement is the same as the 325i. Really? I didn't realize the '96 E36 328i was a 2.5 liter, since both my '97 Z3 2.8 and my E46 328i displaced 2.8 liters. Tom K. >> In a BMW (for the most part) the first digit (3, 5, 7) refer to the body >> or chassis, the last two digits are the engine size in liters. If the [quoted text clipped - 9 lines] > > Tom K. Yup, it's true. The E36's M50 motor is badged as an n25 and n28, but its displacement is always 2.5L. It's also badged as a 323. The 323 and 328 (also 528) are OBD II motors, and are different essentially in the torque and horsepower, while the displacement is the same. I'm not sure about your 97 Z3, I think it also gets the M50 -- which means it is 2.5L. I could be wrong on that point though. >>> In a BMW (for the most part) the first digit (3, 5, 7) refer to the body >>> or chassis, the last two digits are the engine size in liters. If the [quoted text clipped - 17 lines] > I'm not sure about your 97 Z3, I think it also gets the M50 -- which means > it is 2.5L. I could be wrong on that point though. Z3 had the M52, IIRC. Tom K. > Yup, it's true. The E36's M50 motor is badged as an n25 and n28, but its > displacement is always 2.5L. It's also badged as a 323. The 323 and 328 [quoted text clipped - 3 lines] > I'm not sure about your 97 Z3, I think it also gets the M50 -- which > means it is 2.5L. I could be wrong on that point though. Better re-check your "facts" Jeff. Up until the end of the '95 MY the only six available (in the US) was the 325, which was an M50 engine at 2.5l displacement. In MY 1996 they changed to the M52 engine and it was a 2.8 liters. The 323 model was added in 1998 and it had a 2.5 liter engine. The idea was to highlight the performance advantage of the 2.8L over the 2.5L (323i) engine. Later, in MY 2001, when the 3.0l engine was released they went back to labeling the 2.5l equipped cars as 325's. But that was the E46 by then. So the only E36 model which was "mislabeled" as to engine displacement was the 323. Signature-Fred W > After the '96 model year they had to distinguish from the OBD I (1) and > OBD II (2) motors, and the 323 and 328 were born. These are essentially > the 2.5 liter motor, and one is detuned a bit. So, if you were to > compare a '95 325i against a '96 528i, you have the same motor, but the > 328 is OBD II compliant. Its displacement is the same as the 325i. In the UK, the *23 had a detuned *25 litre engine. The *28 was unique. Signature* What do they call a coffee break at the Lipton Tea Company? * Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. > Folks, > would anyone have an opinion as to whether buying a 3 series car [quoted text clipped - 5 lines] > > Regards A bit vague, but here goes. Assuming an E46 vs E39 or early E60, the six cylinder engines (M54) are identical. You can expect similar reliability in both 2.5 and 3.0 liter models. The newer E90 and 2006 E60 has a new engine with a magnesium block (its encapsulated in aluminum). Very high tech, very powerful for 3 liters (the 325 and 525 are now a somewhat simplified variation of the same engine, now 3 liters), too new to say much about long-term reliability. The E39s and E60s also have a V-8 available. Different animal. A lot more grunt and somewhat less refined in the handling department. The earlier E39 V-8 tended to overstress the cooling system (radiator failures in the 60-75000 mile range not uncommon) and had an oil pump bolt issue (now resolved). The new V-8 in the E60 is a technical marvel, probably too early to comment on reliability. Generally, BMW I-6's are more reliable and more maintainable than the V-8's. I think its more critical to address what you want in a car. The 3's are more sporting, the 5's more luxurious. But a 5 with sport package is more sporting than a 3 without. And a 3 with performance package .... Well you get the drift. Drive both cars and decide which one better meets your needs and desires. The powerplant shouldn't be your primary concern. R / John > Folks, > would anyone have an opinion as to whether buying a 3 series car [quoted text clipped - 5 lines] > > Regards Generally speaking the smaller the body and larger the engine the less stressed it will be in operation. In particular the final drive ratio is higher with larger engined models so: - lighter body - less effort to achieve same acceleration / speed larger engine - less rev's to achieve same power / torque higher gearing / final drive - less rev's to cruise at same speed (look for mph / 1,000rpm) obviously an engine that spends most of its time doing lower rev's will last longer than one that is constantly thrashed near to its maximum rev's / performance. > would anyone have an opinion as to whether buying a 3 series car > with 30,000 miles on the clock,would be a worse deal than buying a 5 > series with the same mileage?Both being otherwise equal..I'm speaking of > engine longevity.ie;are the engines of these models the same and only > differ in cubic capacity? You need to be more specific. Some engines are shared between models - but there are frequent engine updates so even if both cars are approx the same age and nominally the same capacity, it doesn't mean they have identical engines. Signature*Letting a cat out of the bag is easier than putting it back in * Dave Plowman dave@davenoise.co.uk London SW To e-mail, change noise into sound. Well, a 525 and a 325 are the same engine. The 4 series does have a wider range of engine choices, and offers engines that are not found on the 3 Series. But, if the las two digits are the same, odds are very good that the engines are the same. > Folks, > would anyone have an opinion as to whether buying a 3 series car [quoted text clipped - 5 lines] > > Regards There's a 4 series? Or are you referring to the Z4? R / John > Well, a 525 and a 325 are the same engine. The 4 series does have a wider > range of engine choices, and offers engines that are not found on the 3 [quoted text clipped - 10 lines] >> >> Regards >There's a 4 series? Or are you referring to the Z4? He meant 5 series - it was a typo. epbrown -- 2003 BMW 325i Black/Black 2003 BMW Z4 Black/Black > There's a 4 series? Or are you referring to the Z4? Although the poster probably meant 5, not 4, BMW was originally planning to label the E90 (E92) coupes & convertibles as a "4" series. IIRC, the Z4 was named during this period. If the (not for U.S.) 1 series 2 doors were also called a "2" series as planned, then BMW would have all series from 1 thru 7 covered. Luckily, saner heads prevailed and we now have a detuned 3 litre engine badged as a 325, and 525, but as a Z4 3.0! Tom K. >> There's a 4 series? Or are you referring to the Z4? > > Although the poster probably meant 5, not 4, BMW was originally planning > to label the E90 (E92) coupes & convertibles as a "4" series. IIRC, the > Z4 was named during this period. Read about that. Evidently the cost of just changing the 3 series coupe to "4 series" is substantial and BMW changed their minds. R / John > If the (not for U.S.) 1 series 2 doors were also called a "2" series as > planned, then BMW would have all series from 1 thru 7 covered. Luckily, > saner heads prevailed and we now have a detuned 3 litre engine badged as a > 325, and 525, but as a Z4 3.0! Well, the 323 was a 2.5, but they wanted a bit more differentiation from the 328, ergo 323. And the 540 was a 4.4, and so on and so on. There's a significant mechanical difference between the "25" and the "30" even though the displacement is the same. The 3 liter in the 330i has SERIOUS grunt and I suspect is at least the equal of the majority of 3.5's the Japanese are currently marketing. R / John No. That was supposed to be a 5. > There's a 4 series? Or are you referring to the Z4? > [quoted text clipped - 14 lines] >>> >>> Regards > Well, a 525 and a 325 are the same engine. The 4 OOPS, typo. That was supposed to be a 5 ... series does have a wider > range of engine choices, and offers engines that are not found on the 3 > Series. But, if the las two digits are the same, odds are very good that [quoted text clipped - 9 lines] >> >> Regards |
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