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Genuine Surprise

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Old 04-07-2006, 07:18 PM
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Originally Posted by colejl' post='265915' date='Apr 7 2006, 10:52 AM
That'll be our better quality petrol...
Or different measure of HP. PS vs. SAE.
Old 04-07-2006, 09:29 PM
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Originally Posted by ImolaRedM' post='266229' date='Apr 7 2006, 10:18 PM
Or different measure of HP. PS vs. SAE.
But the conversion from PS to bhp is X 0.9863, which doesn't completely explain the difference between 192 and 184...
Old 04-07-2006, 10:25 PM
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Originally Posted by JayJay' post='265834' date='Apr 7 2006, 10:41 AM
I drive a 2004 model 525i M Sport.

Car is in for a service and the loaner is a 523i SE.

I always thought to myself 'glad i chose the 525 because its not as much of a guzzler as the 530 but faster than the base model \o/'
However after driving it it feels far far faster than i thought it would. Infact id say it wasnt much slower (if at all) than my car. Possibly even a little quicker in spots.
Does anyone know what hp engine would be in my 2004 525. I looked up the BM site and this years 523i has 177bhp which cant be as much.

523i 174hp
525i 218hp

simple!!!!!!!!!!!!!!!!!!!!
Old 04-07-2006, 11:20 PM
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Originally Posted by norham' post='266272' date='Apr 7 2006, 11:25 PM
523i 174hp
525i 218hp

simple!!!!!!!!!!!!!!!!!!!!

It would be that simple if he had a 2005 525i, but he has a 2004 525i, which has 189 hp and 181 ft-lbs of torque. The loaner they gave him was probably a 2005 523i, which has 174 hp and 170 ft-lbs of torque.

The 2005 525i has 215 hp and 184 ft-lbs of torque.
Old 04-08-2006, 11:32 PM
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Originally Posted by Heiss5' post='266283' date='Apr 8 2006, 08:20 AM
It would be that simple if he had a 2005 525i, but he has a 2004 525i, which has 189 hp and 181 ft-lbs of torque. The loaner they gave him was probably a 2005 523i, which has 174 hp and 170 ft-lbs of torque.

The 2005 525i has 215 hp and 184 ft-lbs of torque.
The loaner they gave him was probably a 2005 523i, which has 174 hp and 170 ft-lbs of torque.
Like me you made an assumption
Old 04-09-2006, 02:36 AM
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Originally Posted by IrishEyes' post='265875' date='Apr 7 2006, 03:20 PM
I had a 520i with 170bhp (M54 engine) and changed to a 523i (with the new N52 engine) producing 174bhp.

I've also driven a 525i with the 192bhp (m54) engine and the 523i felt smoother, quieter, reved more freely and felt as fast as the 525i. It made the 520i/525i M54 feel old tech. Although I only had the 520i for 10 months, the 523i test drive was enough to make me change.

Like yourself, I can't understand how the fairly small additional increase of 4bhp and 10nm made such a vast difference. Maybe BMW were holding back.
It is strange because I test drove the 523i and did not feel any significant advantages over my 520i. The difference in 0-100 is 0.6 sec for the auto and the max speed difference is 6 km/h. But I agree with you that the sound of the engine in the 523i makes you feel as if it revs more freely and is more technologically advanced. Maybe the difference you felt was because of the earlier delivery of torque across the rpm range.

I tried 0-160 km/h in both cars. My car got 26.1, while the 523i got 25.2. the in-gear acceleration is even the same on 4th gear, 9.4 s for 80-120 km/h for both cars (this is a BMW figure). IMHO the difference between the 523i and the 520i is basically in the 0-50 km/h range because of the earlier delivery of torque in the 523i.

I would not pay any amount of money to upgrade from the 520i to the 523i, may be I would pay to upgrade to the 525i.
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