E36 6 Speed

What are your opinions on this?

Have a lot of stories of the six speed box been made of chocolate etc is this true?

Went on a eco run today, Dubiln to Cork and back. 27mpg over all, and I pushed her on a few times. She is a little high in the rpm range for cruising imo. What I'm debating at the moment is a 6 speed box to counter act the higher ratio diff, its only 3.15. Would an evo box mess all the gear ratio's up?

ORRR stick with my box, live with the high revs and drive the 100k odd miles it would take to justify the expense of a six speed? :D

For the sake of 2 or 3 extra mpg I wouldn't bother, shot a dipatane, lighter foot and maybe good service along with correct tyre pressures will see it over the 30, which ain't bad for a 328

I would say go for it if you had a 3.45 or 3.65 would be a lot of fun, but I wouldn't say it's worth the hassle/cost/risk with the 3.15 considering you know the condition of your 5 speed and it's low mileage etc etc

In my opinion quicker is better and the difference between ratios and consumption would not be huge.

Certainly wasn't when I changed diff ratios in the 318IS.

Just depends on what your general drive is? A lot of motorway or?

Not a huge amount of work to change the box but cost vs savings? I'm not sure it would ad up.

Increased tyre pressure is free try that first mabye an extra 2psi?

A new set of ngk platinum plugs always adds an extra 2-3mpg is well

Thanks for the advise lads. More i think about it, it probably wouldnt be worth while considering i do alot of city miles. A six speed would be nice to have all the same, but better the devil ya know :)

The mpg on the 328 has never been great, she gets about 20 mpg in the city, been like that for the last year. She is has been serviced three times in the last 10k, replaced the plugs when i got her. At this stage im resigned to the fact its just a thirsty car, fun to drive though :happy:

Sounds about right to be honest when i was in the city daily my car never seen above 25 motorway gets me just above 35 i average just under 30 but then we didn't buy them for fuel economy

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Originally Posted by Gar

Sounds about right to be honest when i was in the city daily my car never seen above 25 motorway gets me just above 35 i average just under 30 but then we didn't buy them for fuel economy

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Thats a most definte yes! Id be driving a prius if that was the case. Strangely enough, the M3 and Clubsport i had used to get far better mileage, must be due to more modern engines etc. I do push her on, but sure isnt that the point :happy:

Yep spot on the m54 would have been a little more economical then the m52, never knew you had an m3 was it an e36 or e46

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Originally Posted by Ketron

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Originally Posted by Gar

Sounds about right to be honest when i was in the city daily my car never seen above 25 motorway gets me just above 35 i average just under 30 but then we didn't buy them for fuel economy

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Thats a most definte yes! Id be driving a prius if that was the case. Strangely enough, the M3 and Clubsport i had used to get far better mileage, must be due to more modern engines etc. I do push her on, but sure isnt that the point :happy:

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Weight saving measures required!! :hehe!:

328i with original 5 speed and 3.15 diff ratio : in fifth @ 100kph would sit at 2656rpm

328i with an EVO box using it's six speed gear (0.83 ratio) and 3.15 diff ratio: @100kph would sit at 2204rpm


Not sure it's worth the hassle but there you have it. I've seen the odd discussion on the US forums pop up of people using e46 6 speed box's from the like of 330i's and M3's and using them in e36's, what this involves I really don't know but the ratio of the sixth gear is the same as that of an e36 evo box.

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Originally Posted by FunkySeeFunkyDoo

328i with original 5 speed and 3.15 diff ratio : in fifth @ 100kph would sit at 2656rpm

328i with an EVO box using it's six speed gear (0.83 ratio) and 3.15 diff ratio: @100kph would sit at 2204rpm


Not sure it's worth the hassle but there you have it. I've seen the odd discussion on the US forums pop up of people using e46 6 speed box's from the like of 330i's and M3's and using them in e36's, what this involves I really don't know but the ratio of the sixth gear is the same as that of an e36 evo box.

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DaveMsport on driver has done it afaik.

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Originally Posted by FunkySeeFunkyDoo

328i with original 5 speed and 3.15 diff ratio : in fifth @ 100kph would sit at 2656rpm

328i with an EVO box using it's six speed gear (0.83 ratio) and 3.15 diff ratio: @100kph would sit at 2204rpm


Not sure it's worth the hassle but there you have it. I've seen the odd discussion on the US forums pop up of people using e46 6 speed box's from the like of 330i's and M3's and using them in e36's, what this involves I really don't know but the ratio of the sixth gear is the same as that of an e36 evo box.

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Nice one cheers ger, how did ya work that out? :)

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Originally Posted by Gar

Yep spot on the m54 would have been a little more economical then the m52, never knew you had an m3 was it an e36 or e46

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E46, Sold it to Xworks just before I got the 328 :)

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Originally Posted by Ketron

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Originally Posted by FunkySeeFunkyDoo

328i with original 5 speed and 3.15 diff ratio : in fifth @ 100kph would sit at 2656rpm

328i with an EVO box using it's six speed gear (0.83 ratio) and 3.15 diff ratio: @100kph would sit at 2204rpm


Not sure it's worth the hassle but there you have it. I've seen the odd discussion on the US forums pop up of people using e46 6 speed box's from the like of 330i's and M3's and using them in e36's, what this involves I really don't know but the ratio of the sixth gear is the same as that of an e36 evo box.

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Nice one cheers ger, how did ya work that out? :)

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Ah I'm just deadly...


I also used the gear calculator on Endtuning's site

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