09-26-2016, 09:34 PM | #1 |
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xdrive 28i vsxdrive35i 50mph-70mph times
Hello all,
Can the people with tuned x1's tell me their overtaking times(50mph-70mph). For stock cars Car and Driver measured 4,1sec (35i) and 4.2sec(28i) which I am willing to believe as the stock xdrive28i that I test drove did not feel slow and I have seen what a (350hp/400lbft) 328i can do. I am looking to switch to x1 for bigger ground clearance and cargo space. Either one would be run on JB4 + intake and e40-e50. I am curious if there would be a big difference in tuned vehicles cause I hate the gear shifter of the 35i and the softer suspensions of the 28i would be welcomed. Thanks!
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Current - 2011 x3 35i/BMS Stage 1
Previous - 2008 Montego Blue 135i/M-sport /BMS-DCI/Cobb stage1 aggressive /235s Potenza s04 Pole Position - 265s Potenza RE11 /ATE TYP 200/EBC Yellow Stuff/NGK 5992s/Slotted and drilled rotors Last edited by Maina; 09-26-2016 at 09:59 PM.. |
09-29-2016, 10:03 AM | #3 |
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There are various apps that can do it for you using GPS in your phone, or with a Bluetooth connection to an OBD adapter you attach to the car (if you have one)
For the record, the 28i has plenty of power and I imagine with a JB4 it would become a beast. I've had a few people with me who drive the N54/N55 variants of other BMW models and they couldn't believe mine wasn't the same. |
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09-29-2016, 03:21 PM | #6 |
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The cars are closer stock to stock. When you're talking about a JB4 and good gas, the N55 widens the gap considerably.
With flex fuel wires and a JB4, with adequate fueling running even half a tank of E85, you're looking at roughly 375+ whp. E85 on a JB4 on an N20 is around the 300 whp mark. That's roughly a 100 bhp difference. The suspension on a 35 isn't any firmer than one on a 28, nut sure where you got that info. Hating the look of the old six speed is not at all a good reason to pick the N20 if you're looking for power/performance from modding. They even sell new gear levers which look just like the newer 8 speed to replace the ugly knob if you want. Not that I don't think the N20 is the better choice for most people, with its 8 speed and improved efficiency. That being said, someone looking to mod, going after power...yeah...hands down the N55. It's the difference between a quick fun little runabout trapping in the low 100s, vs. a downright sleeper running 110+. A $900 hotside upgrade, and you'd have a car that holds the N55 xdrive record...N55 X1, high 11's at 116 (on the stock turbo, intake/DP/50% E85 netted a 12.1 at 111). http://www.german**********/showthre...-xdrive-record
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'02 S54 M3 (500/500 GC/Koni)
'08 N54 135 (JB4, DCI, BMW PS/Bilstein B6s, H&R M3 FSB, Strongflex FCABs) '14 N55 X1 (JB4, BMS DP, BMS Intake, Alpina TCU reflash, H&R Sports, Bilstein B6s, E93 M3 RSB, Strongflex FCABs, baby seat) '08 N54 535xi touring (Bilstein B6s, Downpipes, MHD tune, baby seat) Last edited by PrematureApex; 09-29-2016 at 03:29 PM.. |
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