BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
 





 

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      10-03-2014, 09:17 AM   #23
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Quote:
Originally Posted by andrey_gta View Post
Just realized

What ever made the z4 s54 work With the console gauges and other systems should make the s54 work in an e90 e82 platform
Yeah, that's what people do to make the S65 work in the E46. Nothing new there.

Doesn't change what a spectacular waste of time/money this project would be. If increased performance is your goal, the E46 M3 is a better car in ALL aspects than the 1 series.
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      10-03-2014, 09:23 AM   #24
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Originally Posted by TheSt|G View Post
Certainly would be easier.

Then you get the rod/main bearing failure that the S65 is currently enjoying.
S54 spin bearings too.

This is why I have 30 liters of 10w-60 sitting in my garage and do 3k intervals on my E86.

Anyways, the rear suspension design on the E82 is actually much better than an E46. Besides that the E46 can fit more tire, and basically do everything better.
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      10-03-2014, 12:28 PM   #25
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Quote:
Originally Posted by Kgolf31 View Post
S54 spin bearings too.

This is why I have 30 liters of 10w-60 sitting in my garage and do 3k intervals on my E86.

Anyways, the rear suspension design on the E82 is actually much better than an E46. Besides that the E46 can fit more tire, and basically do everything better.
Early S54s had the rod bearing issue(they weren't made to factory spec) which was sorted by 2002. After that, they are replaced every 100k-150k as a wear item, which is completely acceptable given the characteristics of the engine they are in. As a point of comparison, the Mezger GT3 engine needs them every 50k.

The S65 spins rod and main bearings by an inherent design fault. From the factory they are simply too tight and do not allow proper lubrication from the oil. The only real fix currently is the Dinan stroker kit, which uses different bearings all together. Otherwise you are just replacing with equally fail prone stock units.
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      10-03-2014, 12:35 PM   #26
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I know S54 engines from Z4M that have been replaced well before 100k.

Replacing S54 bearings with treated coating bearings does wonders.
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      10-03-2014, 12:44 PM   #27
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Quote:
Originally Posted by Kgolf31 View Post
I know S54 engines from Z4M that have been replaced well before 100k.

Replacing S54 bearings with treated coating bearings does wonders.
And how many track miles/oil change intervals? My brother absolutely beats his car on the street and has ~10,000 track miles on it. He replaced his at 110,000 with coated ones.
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      10-03-2014, 12:49 PM   #28
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Quote:
Originally Posted by TheSt|G View Post
And how many track miles/oil change intervals? My brother absolutely beats his car on the street and has ~10,000 track miles on it. He replaced his at 110,000 with coated ones.
http://www.zpost.com/forums/showthread.php?t=607732

http://www.zpost.com/forums/showthread.php?t=883939
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      10-03-2014, 01:53 PM   #29
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Thank you proper oil analysis.

Still isn't the norm for the S54, and the S65 still has a significantly worse issue seeing as people are spinning them as early as 10k miles on the rods and mains.
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      10-07-2014, 01:02 PM   #30
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Quote:
Originally Posted by TheSt|G View Post
Thank you proper oil analysis.

Still isn't the norm for the S54, and the S65 still has a significantly worse issue seeing as people are spinning them as early as 10k miles on the rods and mains.
S65 bearings are a yearly replacement item for amateur series racecars.
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      10-07-2014, 02:57 PM   #31
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Quote:
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S65 bearings are a yearly replacement item for amateur series racecars.
And daily drivers it would seem.
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      10-19-2014, 05:57 PM   #32
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Quote:
Originally Posted by TheSt|G View Post
And daily drivers it would seem.
I guess if put 40k miles a year.

Btw, internet resources are quoting S65 being light and all.

S54 + 5sp trans is about 113lbs lighter than S65 + 6speed trans when cars are fully dressed. A racer friends just did a conversion from his CMod e30 with S54 to S65.
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      10-19-2014, 06:31 PM   #33
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Quote:
Originally Posted by Evice View Post
I guess if put 40k miles a year.

Btw, internet resources are quoting S65 being light and all.

S54 + 5sp trans is about 113lbs lighter than S65 + 6speed trans when cars are fully dressed. A racer friends just did a conversion from his CMod e30 with S54 to S65.
interesting on the weight. I should have weighed my motor and tranny when out.

My S65 1 series weighs in at 3250lbs. Its a bit heavier than I was hoping it would be. The car is a track oriented street car with still working AC, electronics and other comfort features. The S65 sits further back than the n54 and the heavier tranny being low and near the center doesn't compromise the balance of the car. We took the car out yesterday to big willow for its first time out since the swap and Matt Powers put down a 1:31.3 even with it being his first time on that track.

It is hard to describe to a lot of people about why I made this car. Most just say they N54 is better and easily tunable etc. etc. but my main focus of the car was balance. The S65 in the 1series chassis is seriously a match made in heaven. I know the n52 guys can quote rod bearing issues, which dont frighten me one bit, but I can assure you guys that aside from MPG and cheap upkeep, the S65 1series has everything you guys praise about driving your n52's hard x10.
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      10-20-2014, 07:27 AM   #34
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Quote:
Originally Posted by Evice View Post
I guess if put 40k miles a year.
Go check out the rod/main bearing thread over on M3Post. They seem to be failing at any mileage.
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      10-20-2014, 07:40 AM   #35
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Quote:
Originally Posted by ilikebmxbikes View Post
interesting on the weight. I should have weighed my motor and tranny when out.

My S65 1 series weighs in at 3250lbs. Its a bit heavier than I was hoping it would be. The car is a track oriented street car with still working AC, electronics and other comfort features. The S65 sits further back than the n54 and the heavier tranny being low and near the center doesn't compromise the balance of the car. We took the car out yesterday to big willow for its first time out since the swap and Matt Powers put down a 1:31.3 even with it being his first time on that track.

It is hard to describe to a lot of people about why I made this car. Most just say they N54 is better and easily tunable etc. etc. but my main focus of the car was balance. The S65 in the 1series chassis is seriously a match made in heaven. I know the n52 guys can quote rod bearing issues, which dont frighten me one bit, but I can assure you guys that aside from MPG and cheap upkeep, the S65 1series has everything you guys praise about driving your n52's hard x10.
This is why i plan on stepping into a e46 M or an e90 M as my next car. Should be a fun step up. I've said it before and i'll say it again, Your 135iM3etc is my ideal e82 and it is beautiful.

Probably will be the e46 though, I'm too much of a sucker for Inline 6's. The smoothness gets me.
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      10-20-2014, 10:52 AM   #36
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Quote:
Originally Posted by 631twentyeighteye View Post
This is why i plan on stepping into a e46 M or an e90 M as my next car. Should be a fun step up. I've said it before and i'll say it again, Your 135iM3etc is my ideal e82 and it is beautiful.

Probably will be the e46 though, I'm too much of a sucker for Inline 6's. The smoothness gets me.
Do the E46 M3, just a better car.
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      10-20-2014, 11:42 AM   #37
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Quote:
Originally Posted by 631twentyeighteye View Post
This is why i plan on stepping into a e46 M or an e90 M as my next car. Should be a fun step up. I've said it before and i'll say it again, Your 135iM3etc is my ideal e82 and it is beautiful.

Probably will be the e46 though, I'm too much of a sucker for Inline 6's. The smoothness gets me.


Quote:
Originally Posted by TheSt|G View Post
Do the E46 M3, just a better car.
Both are great choices. I still want to add a white e46 m3 to the collection.
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      10-20-2014, 12:31 PM   #38
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Quote:
Originally Posted by ilikebmxbikes View Post
Both are great choices. I still want to add a white e46 m3 to the collection.
E9x just became too much of a soft GT car. It is primarily why I went for the N52 1er over it.
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      10-20-2014, 12:34 PM   #39
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E9x just became too much of a soft GT car. It is primarily why I went for the N52 1er over it.
yes, e9x is more of a compromise than the e46 in certain ways but for many people it was a welcomed compromise. everyone has their own intended uses. I agree they are a little soft out of the box but so is a 135i/128i.
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      10-20-2014, 03:40 PM   #40
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Quote:
Originally Posted by ilikebmxbikes View Post
yes, e9x is more of a compromise than the e46 in certain ways but for many people it was a welcomed compromise. everyone has their own intended uses. I agree they are a little soft out of the box but so is a 135i/128i.
Right, but soft/sloppy/compromised for comfort is what the 335i should be and is. With the E46 M3 as an example, and it is the same for the E36 and E3, you made comfort sacrifices for that increase in performance. It's to the point where there isn't much direct comparison between an E46 M3 and E46 3 series save a few trim pieces.
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      05-01-2015, 10:40 PM   #41
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Quote:
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An s54 swap is not legal in CA for a street car. It will never CA BAR because the motor is from a platform older than the chassis.
If the S54 came in a 2008 Z4 M, why can't it be legally used in a 2006 or 2007 E90? I thought the motor just had to be the same year or newer.
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      05-02-2015, 12:22 AM   #42
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Doesn't change what a spectacular waste of time/money this project would be.
Depends on the individual. To me it's not a waste if you enjoy it- it might not be the most efficient way to get the result, but it may not be a waste in the eyes of all!
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      05-02-2015, 12:33 AM   #43
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Quote:
Originally Posted by ilikebmxbikes View Post
An s54 swap is not legal in CA for a street car. It will never CA BAR because the motor is from a platform older than the chassis.
If the S54 came in a 2008 Z4 M, why can't it be legally used in a 2006 or 2007 E90? I thought the motor just had to be the same year or newer.
Correct- if you pulled the motor from an 08 z4mc you could put it in a 2007
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      05-02-2015, 12:42 AM   #44
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Quote:
Originally Posted by ilikebmxbikes
Quote:
Originally Posted by buzzard
Quote:
Originally Posted by ilikebmxbikes View Post
An s54 swap is not legal in CA for a street car. It will never CA BAR because the motor is from a platform older than the chassis.
If the S54 came in a 2008 Z4 M, why can't it be legally used in a 2006 or 2007 E90? I thought the motor just had to be the same year or newer.
Correct- if you pulled the motor from an 08 z4mc you could put it in a 2007
Decided to go a different route with the engine. Putting a v10 in there
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