Which Series 1 Convertible

Find out more about the BMW 1 Series E81, E82, E87, E88.
Manufactured from 2004 to 2013

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awase
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Which Series 1 Convertible

Post by awase » Wed Nov 08, 2017 3:53 pm

Hi I am new here. Just sold my MX5 (no hairdresser jokes thank you) and looking forwards to owning a series 1 convertible. I have previously owned a Z3 2.8 which was a great little car but far too thirsty. And yes I would love a 3.0 but now I have a mortgage I have to be vaguely sensible.

I have narrowed my choice down to either a 118i or a 120i and would value your opinions on which is the better. I am drawn to the 120i as there seems to be little difference in mpg/performance but it would be good to know what you guys think.

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Awase
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Series 1 2.0M Convertible

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marco_polo
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Re: Which Series 1 Convertible

Post by marco_polo » Wed Nov 08, 2017 4:07 pm

None of the 4 pots are particularly good I'm afraid, definitely can't stretch to a 125i Vert?
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Poormans
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Re: Which Series 1 Convertible

Post by Poormans » Wed Nov 08, 2017 4:19 pm

I'd be surprised if you get much more mpg in a 4 pot, if any.
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Wilko135i
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Re: Which Series 1 Convertible

Post by Wilko135i » Wed Nov 08, 2017 5:22 pm

If you are going to buy a convertible but want the economy and a bit of performance, I would get the 120d or the 123d if I was going to go for a four pot motor. I have a tuned 135i and cannot stop driving the thing! Economy? Who cares about Economy!?
E88 135i with MHD stage 2+, VRSF catless downpipes, Pro Alloy intercooler, Forge diverter valves, VRSF induction kit, charge pipe, dark lines, MeisterR CRD+, Goodyear Assymetric 3's and Coolingmist stage 2 methanol kit

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marco_polo
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Re: Which Series 1 Convertible

Post by marco_polo » Wed Nov 08, 2017 5:48 pm

Wilko135i wrote:
Wed Nov 08, 2017 5:22 pm
If you are going to buy a convertible but want the economy and a bit of performance, I would get the 120d or the 123d if I was going to go for a four pot motor. I have a tuned 135i and cannot stop driving the thing! Economy? Who cares about Economy!?
Lol, can you imagine the racket though? The dumper-truck soundtrack would completely ruin the top-down experience for me.
Silver F21 M135i - ManBox - HK - Adaptive + Eibach Pro's - BBS CH-R's - BMWP Drexler LSD - M4 LCA's

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Wilko135i
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Re: Which Series 1 Convertible

Post by Wilko135i » Wed Nov 08, 2017 6:37 pm

Very true. The petrol 4 pots are simply not worth it in my opinion
E88 135i with MHD stage 2+, VRSF catless downpipes, Pro Alloy intercooler, Forge diverter valves, VRSF induction kit, charge pipe, dark lines, MeisterR CRD+, Goodyear Assymetric 3's and Coolingmist stage 2 methanol kit

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Re: Which Series 1 Convertible

Post by 11mmerola » Wed Nov 08, 2017 8:24 pm

I have a 120d convertible and the only thing I regret is the engine, I find it a little slow lol if I could have afforded the insurance at the time I would have got the 123d. I get more wind noise from the roof while it's up then I do engine noise with the roof down... Saying that I now want rid of convertible all together and replace with a 1/2 35i

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rm1
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Re: Which Series 1 Convertible

Post by rm1 » Thu Nov 09, 2017 8:27 am

125i the best allround option in manual to improve fuel consumption and driver engagement. It will be better on fuel than a 2.8z3 and should return a real world 30+ mpg.

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Toed64
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Re: Which Series 1 Convertible

Post by Toed64 » Thu Nov 09, 2017 10:46 am

The type of trip makes a huge difference to fuel consumption of my manual 135i. It returns about 23 or 24mpg locally, but 35 to 37mpg on motorway runs. I had an E46 325TI that never really got to 30mpg. I think that the managment systems on the later engines are much better.

As suggested above, the 125i has a lovely, characterful, silky smooth motor, the 118i and 120i have unremarkable engines and are reputedly less reliable than the 6 cylinder cars. Do not believe the book figures for mpg of the 4 cylinder cars - if used in town, they are unlikely to return as much as 30mpg, probably a lot less, (as my uncle complained frequently).

Will your normal use be in town?
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Re: Which Series 1 Convertible

Post by davegt » Fri Nov 10, 2017 4:45 pm

I have an E88 125i, great cruiser with plenty of poke when you want it, averages high 20’s low 30’s mpg wise, the engine is exactly the same as the 3lt so can be remapped to round 270bhp.

A wind deflector is a must, it’s the best convertible I’ve owned wind buffer wise (E30, Saab 93, E46 and Z4 for comparison) still happily using it now roof down with heating on at any opportunity.
Daily hack: 2016 F31 320d Ed.
Weekend: 2008 E88 125i M sport
+ 2008 Grand Scenic dog carrier

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