|
|
|
|
|
|
BMW Garage | BMW Meets | Register | Today's Posts | Search |
|
BMW 3-Series (E90 E92) Forum
>
Spec 3+ clutch engagement
|
|
11-22-2016, 08:13 AM | #1 |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
Spec 3+ clutch engagement
I'm in the midst of my break-in period with the Spec 3+ clutch (and an SMFW). The engagement point of the clutch is almost right at the top -- I only have to depress the clutch pedal slightly when shifting.
Aside from the fact that this is at odds with my years and years of pushing the pedal at least halfway to the floor, I can see how this would enable quicker shifts by allowing a lighter, faster touch with the left foot. But is this normal? That is, will it settle down to a lower point after the break in period? I'm afraid of getting sloppy and grinding by applying too light a touch now. Someone on another, non-BMW forum reported that after unsuccessfully trying to adjust the engagement point, they'd been told by Spec tech support that the pedal would return to the factory engagement point by the end of the break-in period. I'd be interested to hear from anyone else who's had similar experience.
__________________
2013 335is E93 6MT | LeMans Blue/Saddle Brown
BQ Tuning MHD E60 flash | Cobb catted DPs | ETS 5" FMIC | BMS DCI | Fuel-It Stage 2 LPFP | MMP inlets/outlets | Forge DVs | N20 TMAP sensor Vibrant 1790 resonators/mid-cat delete | MPI CP | Spec Stage 3+ clutch and steel SMFW | Wavetrac LSD | M3 rear subframe and diff bushings |
11-22-2016, 10:50 AM | #2 |
Captain
41
Rep 823
Posts |
i don't have a spec.. but with my twin disc you can adjust the engagement point by using more or less shims. Guessing by your post your clutch/flywheel package didn't come with shims?
Personally I like the engagement right at the top, but I can understand why you'd hate it. The engagement point didn't really move much for me after break-in. |
Appreciate
0
|
11-22-2016, 02:03 PM | #3 | |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
Quote:
I actually like the engagement at the top for shifting in between gears because it is super fast. What I don't like is shifting into first from a stop. I have a lifelong, probably bad practice of waiting at a stop in 1st gear with my foot resting on the clutch pushed all the way to the floor. Now I have to keep my foot tense just below that top engagement point. I'm still getting the hang of that. I sometimes have a lot of overrevving as I'm shifting into first If I've pushed down on the clutch too much.
__________________
2013 335is E93 6MT | LeMans Blue/Saddle Brown
BQ Tuning MHD E60 flash | Cobb catted DPs | ETS 5" FMIC | BMS DCI | Fuel-It Stage 2 LPFP | MMP inlets/outlets | Forge DVs | N20 TMAP sensor Vibrant 1790 resonators/mid-cat delete | MPI CP | Spec Stage 3+ clutch and steel SMFW | Wavetrac LSD | M3 rear subframe and diff bushings |
|
Appreciate
0
|
11-22-2016, 06:57 PM | #6 | |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
Quote:
|
|
Appreciate
0
|
12-07-2016, 10:50 PM | #8 |
Lieutenant Colonel
251
Rep 1,869
Posts |
My spec 3+ was installed the same way. Wont go higher, might drop a tad. About 20k miles on it now and no complaints!
__________________
07 335xi (2007-2010)
08 Legacy Spec B (08-) 09 335i (2010-) 15 X5 xdrive 35i (2015-) 17 Forester XT (2016-) |
Appreciate
0
|
12-09-2016, 08:25 AM | #9 |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
That's good to hear. I brought mine into the shop for a look see, and they bled the clutch and put in the Burger clutch delay valve I'd picked up. The engagement point is just a tad lower now, and engagement is a tad smoother. I can live with it. Second gear is a bit notchier than it had been. Not sure what to do there because the gear fluid was replaced with the good stuff (Red Line ATF D4).
__________________
2013 335is E93 6MT | LeMans Blue/Saddle Brown
BQ Tuning MHD E60 flash | Cobb catted DPs | ETS 5" FMIC | BMS DCI | Fuel-It Stage 2 LPFP | MMP inlets/outlets | Forge DVs | N20 TMAP sensor Vibrant 1790 resonators/mid-cat delete | MPI CP | Spec Stage 3+ clutch and steel SMFW | Wavetrac LSD | M3 rear subframe and diff bushings |
Appreciate
0
|
12-09-2016, 09:11 AM | #10 | |
Major
110
Rep 1,340
Posts |
Quote:
|
|
Appreciate
0
|
12-09-2016, 09:45 AM | #11 | |
Lieutenant Colonel
251
Rep 1,869
Posts |
Quote:
__________________
07 335xi (2007-2010)
08 Legacy Spec B (08-) 09 335i (2010-) 15 X5 xdrive 35i (2015-) 17 Forester XT (2016-) |
|
Appreciate
0
|
12-09-2016, 09:49 AM | #12 |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
I don't believe there's much of a difference between a full CDV delete and a CDV modified with a wider opening (which is what the Burger CDV is). Either way you get faster clutch take-up.
__________________
2013 335is E93 6MT | LeMans Blue/Saddle Brown
BQ Tuning MHD E60 flash | Cobb catted DPs | ETS 5" FMIC | BMS DCI | Fuel-It Stage 2 LPFP | MMP inlets/outlets | Forge DVs | N20 TMAP sensor Vibrant 1790 resonators/mid-cat delete | MPI CP | Spec Stage 3+ clutch and steel SMFW | Wavetrac LSD | M3 rear subframe and diff bushings |
Appreciate
0
|
12-09-2016, 11:53 AM | #13 | |
Major
110
Rep 1,340
Posts |
Quote:
|
|
Appreciate
0
|
12-09-2016, 12:31 PM | #14 |
Captain
255
Rep 554
Posts
Drives: 2013 335is E93 6MT
Join Date: Jul 2015
Location: South Florida
|
How so? An even faster take up? To the extent I have any complaints now, it's more about the notchiness in 2nd gear -- not getting as smooth and quick a shift as I can when going from 1st to 2nd puts kind of a damper on quick acceleration from a stop.
|
Appreciate
0
|
12-09-2016, 12:37 PM | #15 | |
Major
110
Rep 1,340
Posts |
Quote:
|
|
Appreciate
0
|
Bookmarks |
|
|