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      08-15-2012, 08:08 PM   #177
Smiley1175
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Ian,

Did the CDV delete on the 1M make much difference?
I never ended up doing this on my 135 and the gearbox feels completely different in the 1M.
I actually didn't think they'd have it on the 1M.
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      08-15-2012, 08:14 PM   #178
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Ian,

Did the CDV delete on the 1M make much difference?
I never ended up doing this on my 135 and the gearbox feels completely different in the 1M.
I actually didn't think they'd have it on the 1M.
The gearbox on the 1M does feel different than the 135i, but that is not where the CDV delete will be of benefit.

CDV delete regulates the pressure for release of the clutch plate against the flywheel, to stop that jerky feeling between gear changes.

http://www.zeckhausen.com/cdv.htm

Absolute must mod... actually my first mod on both my 135i and 1M.
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      08-15-2012, 08:17 PM   #179
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Originally Posted by Smiley1175 View Post
Ian,

Did the CDV delete on the 1M make much difference?
I never ended up doing this on my 135 and the gearbox feels completely different in the 1M.
I actually didn't think they'd have it on the 1M.
Yes, 1M had CDV. Some swear by this mod. I did it on both my cars and didn't notice much. I think it depends on your clutch technique. The clutch take/release points feel more predictable, but don't expect a night and day change.

1M has the N55 135i transmission, not the 135i N54's.

For $25, easy mod. If anything it will make your clutch last longer. It puts less strain on the clutch and more on the rest of the driveline from what I have read, but I could be wrong.
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      08-15-2012, 08:23 PM   #180
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Originally Posted by Zuzu View Post
The gearbox on the 1M does feel different than the 135i, but that is not where the CDV delete will be of benefit.

CDV delete regulates the pressure for release of the clutch plate against the flywheel, to stop that jerky feeling between gear changes.

http://www.zeckhausen.com/cdv.htm

Absolute must mod... actually my first mod on both my 135i and 1M.
Still waiting for my AFE CAI!.... is 40 days for USPS too long? I can claim after 45 days.
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      08-15-2012, 08:23 PM   #181
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Quote:
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Yes, 1M had CDV. Some swear by this mod. I did it on both my cars and didn't notice much. I think it depends on your clutch technique. The clutch take/release points feel more predictable, but don't expect a night and day change.

1M has the N55 135i transmission, not the 135i N54's.

For $25, easy mod. If anything it will make your clutch last longer. It puts less strain on the clutch and more on the rest of the driveline from what I have read, but I could be wrong.
so a 1m is the basterd child of the n54 and n55

Sorry couldn't help that one

BTW Joe that was a stir
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      08-15-2012, 08:38 PM   #182
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Still waiting for my AFE CAI!.... is 40 days for USPS too long? I can claim after 45 days.
Have they managed to track it? Still deciding between afe vs gruppem. It is not worth the $, but it just lost so good .
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      08-15-2012, 08:42 PM   #183
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Still waiting for my AFE CAI!.... is 40 days for USPS too long? I can claim after 45 days.
I've waited something like 75 days before for my BMS DCI's (no fault of the vendor). It arrived on the very first day I could file it as a lost package.
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      08-15-2012, 08:45 PM   #184
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Have they managed to track it? Still deciding between afe vs gruppem. It is not worth the $, but it just lost so good .
Definitely get the GruppeM, fits in with your M philosphy that we spoke about
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      08-15-2012, 08:55 PM   #185
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Definitely get the GruppeM, fits in with your M philosphy that we spoke about
Mainly unsure of the K&N filter it uses. General concensus is that the aFe is superior.
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      08-15-2012, 09:00 PM   #186
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Mainly unsure of the K&N filter it uses. General concensus is that the aFe is superior.
They are all the same, doubt you will find any real data anywhere that says AFE filters (not sure exactly which filter it uses) is superior to K&N filters. Besides, changing the filter out is the easy bit, you can put in any filter that fits. The GruppeM intake looks fantastic. AFE is not consistent with the philosophy!
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      08-15-2012, 09:02 PM   #187
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Quote:
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Have they managed to track it? Still deciding between afe vs gruppem. It is not worth the $, but it just lost so good .
If you have $2k then get the Gruppem or Dinan also make nice one.

Quote:
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I've waited something like 75 days before for my BMS DCI's (no fault of the vendor). It arrived on the very first day I could file it as a lost package.
Yes, probably arrive Friday, which is when I can claim. Over it now, so don't even care if it arrives
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      08-17-2012, 04:45 AM   #188
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I'm keen to check out your 1M Ian this weekend. Everything sounds great!
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      08-17-2012, 04:49 AM   #189
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Weather looks good for Sunday so far...
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      08-17-2012, 05:13 AM   #190
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.............a tad disappointed with my AFE. Didn't really notice any change at all.
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      08-17-2012, 05:17 AM   #191
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Quote:
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.............a tad disappointed with my AFE. Didn't really notice any change at all.
Really.. I didn't notice much until I put about 100k's and it adapted..

More responsive down low and up high in the rev range.. or it could be just me trying to justify the purchase Paul..
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      08-17-2012, 06:14 AM   #192
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Quote:
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.............a tad disappointed with my AFE. Didn't really notice any change at all.
What tune have you got?
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      08-17-2012, 08:54 AM   #193
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Quote:
Originally Posted by emack View Post
.............a tad disappointed with my AFE. Didn't really notice any change at all.
Really?...maybe I'll take the insurance $$ then and leave it stock or get the Gruppem

Quote:
Originally Posted by Zuzu View Post
Really.. I didn't notice much until I put about 100k's and it adapted..

More responsive down low and up high in the rev range.. or it could be just me trying to justify the purchase Paul..
From what I have read it isn't a very measurable mod...more so if a tune is on the car
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      08-17-2012, 10:14 AM   #194
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...........no tune and pre down pipe Akra.
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      08-17-2012, 10:26 AM   #195
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...........no tune and pre down pipe Akra.
It would be more noticeable if you have a tune and fmic. Stock intake has enough flow for stock boost.
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      08-20-2012, 05:59 AM   #196
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      08-20-2012, 08:11 AM   #197
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Quote:
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Mainly unsure of the K&N filter it uses. General concensus is that the aFe is superior.
Air filters or cai make f all difference to forced induction cars.
Can make them look better when the bonnet is up tho, which is v important to some folks, which is fair enough
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      08-20-2012, 02:44 PM   #198
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Quote:
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Quote:
Originally Posted by sparoz View Post
Mainly unsure of the K&N filter it uses. General concensus is that the aFe is superior.
Air filters or cai make f all difference to forced induction cars.
Can make them look better when the bonnet is up tho, which is v important to some folks, which is fair enough
Crap! Cooler less restrictive air flow is very good for fi engines. Meth is better though
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