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E90/E91/E92/E93 (2006 - 2013)
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  #1  
Old 01-23-2013, 03:39 PM
unrealii unrealii is offline
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Replacing Clutch & Trans - What else to replace

Hi All, I need to query the collective expertise over here.

My transmission and clutch are being replaced under warranty. Currently I have just under 43k miles. I don't have the final list of parts, but I know they are replacing clutch, trans, ball pin, spring clip, & mounting bolts.

While the dealer has everything apart, what should I pay out of pocket for them to replace? I am quite certain I should replace items #1-3. Not sure what to do with the flywheel or if there is anything else I have missed.

1)Pilot bearing
2)Throw out bearing (is this part of the Release Module?)
3)Clutch Fork (is this the release module?)
4)Flywheel (dealer said this isn't covered under this repair) Replace or resurface?

Transmission:
No. Description Supplement Qty From Up To Part Number Price Notes Photo
01 Guide bush 1 23117537909 $53.42
02 Torx screw M6X12 4 23117531355 $1.80
03 Shaft seal 70X39,85X9 1 23127501712 $15.29
04 Cover lid 1 23117537911 $8.67
06 Screw Plug With Gasket Ring M18X1,5 2 23117531356 $7.44
07 Shaft seal 62X50X9 1 23121282458 $15.29
08 Breather tube 1 23117537913 $6.53
09 Shaft seal 15X21X5 1 23121282394 $10.02
10 BACKUP LIGHT SWITCH M12X1.5 1 23147524811 $11.00

Clutch:
No. Description Supplement Qty From Up To Part Number Price Notes Photo
01 Set Rmfd-clutch parts twin mass flywheel 1 21207567623 $407.69
only in conjunction with
-- Set of alu. screws manual transmission 1 23000417164 $13.00
02 RMFD CLUTCH DISK F.TWIN MASS FLYWHEEL D=240MM 1 21207526516 $130.67
only in conjunction with
-- Set of alu. screws manual transmission 1 23000417164 $13.00
03 Release module 1 21517564027 $75.34 See MH 0038916
04 Fillister-head screw, micro-encapsulated M8X18-10.9-ZNS3 6 21207548052 $0.48
05 BALL PIN H=20MM 1 21511223328 $1.17
06 Spring clip 1 21517570284 $4.50



Thanks
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2009 335i 6MT M-Sport AW/CR Convertible & Border Collie

Last edited by unrealii; 01-23-2013 at 03:40 PM.
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  #2  
Old 01-23-2013, 03:44 PM
unrealii unrealii is offline
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Flywheel:
No. Description Supplement Qty From Up To Part Number Price Notes Photo
01 Twin Mass Flywheel 1 01/2009 21207542984 $1,237.60
01 Twin Mass Flywheel 1 01/2009 21207590942 $1,031.33
For vehicles with
Sport transmission w/ dual-plate clutch
S2TCA=Yes
01 Twin Mass Flywheel 1 01/2009 21207593469
01 Twin Mass Flywheel 1 01/2009 21207590853
03 Dowel D=14,5MM 1 11227557611 $16.73
04 ISA screw M12X1,5X25 8 01/2009 11227520706 $2.22
04 ISA screw M12X1,5X25 6 01/2009 11227520706 $2.22
05 CYLINDRICAL ROLLER BEARING,RADIAL 15X24X26 1 21207536792 $18.92
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2009 335i 6MT M-Sport AW/CR Convertible & Border Collie
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  #3  
Old 01-23-2013, 04:06 PM
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lqaddict lqaddict is offline
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What led to the transmission and clutch failure? Not sure if the clutch replacement includes the flywheel, but it's a good practice replace it at the same time. Also have them check the gear linkages, throwout bearing and the clutch fork (could be included with the clutch replacement though).
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  #4  
Old 01-23-2013, 04:18 PM
unrealii unrealii is offline
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Shifting 1->2 was difficult above 4000 rpm. The shifter just does not want to go into gear. I had the dealer look into it a few months back, but they found nothing abnormal. Recently it has been scratching into 1st, out of 1st, into 2nd, and into 3rd. I took the car in 2 weeks ago and they confirmed something is wrong and received approval to replace the trans and clutch. My SA confirmed the flywheel, pilot bearing, clutch fork, and throw out bearing are not included with the replacement.

Seeing the prices for the pilot bearing, clutch fork and throw out bearing, I can swallow those. I'm still on the fence about the flywheel and what to do. I have been reseaching and several suggest not to machine a dual mass flywheel due to damaging the springs during the machining process. I am also trying to see if there are any other parts I should get replaced. I inquired about the rear main seal, but the SA suggested that it isn't worth touching now since it is factory sealed.
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Old 01-23-2013, 05:52 PM
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lqaddict lqaddict is offline
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I wonder if your synchromesh had blown. Most clutch kits include the bearing and fork, but if the dealer doesn't want to do it pursue them to do it on your coin. The flywheel should be re-surfaced, and it is not that expensive.
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Old 01-24-2013, 12:09 PM
unrealii unrealii is offline
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Quote:
Originally Posted by lqaddict View Post
I wonder if your synchromesh had blown. Most clutch kits include the bearing and fork, but if the dealer doesn't want to do it pursue them to do it on your coin. The flywheel should be re-surfaced, and it is not that expensive.
From the parts diagram the clutch seems to be separate from the fork, so I am assuming BMW sells it all separate. I will definitely spring for those parts.

Have you resurfaced a dual mass flywheel?
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Old 01-24-2013, 12:26 PM
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Quote:
Originally Posted by unrealii View Post
From the parts diagram the clutch seems to be separate from the fork, so I am assuming BMW sells it all separate. I will definitely spring for those parts.

Have you resurfaced a dual mass flywheel?
I've heard both tales:
a) you can resurface it
b) you can't
IMHO, if I it were up to me I'd want to replace it with the original brand new part - $1000+
My understanding though, most of the transmission parts are sourced re manufactured, that's why most of them have +core.
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Old 01-24-2013, 01:25 PM
jburke4689 jburke4689 is offline
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The dealer doing the work won't resurface it. If you drive the car hard, the $1,200 to replace it is worth it. If you are gentle, I wouldn't bother. The rear mail seal on the engine is a candidate for replacement. BavAuto sells it with their clutch kit so I would guess it is good practice.
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Old 01-24-2013, 04:11 PM
unrealii unrealii is offline
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I am neither gentle nor drive the car hard. It will see high rpm on open roads and high way merges, but most of the time it is city driving and highway cruising.
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Old 01-27-2013, 07:04 PM
unrealii unrealii is offline
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I'm still on the fence about the flywheel. I have no intention upgrading the clutch or anything anytime soon. I like how this car shifts, etc.

Here are my options:
1) Pay the dealer to replace it and hope that it is worth replacing
1a) If the flywheel is in good condition resell it for $100 to make up some of the cost
2) Tell them I'm not going to pay for it and only replace it if warranty covers it.
2a) If the clutch has issues afterwards, then I can take the car back at a later time. I still have 5 months/7k left on warranty. I believe dealer repairs are covered for 12mo/12k.

I am leaning more towards option 2, then falling back on 2a if there are any immediate problems. Do flywheels fail?
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Old 02-04-2013, 09:49 AM
unrealii unrealii is offline
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I paid out of pocket and replaced the flywheel. The other bearings and parts were either included with the clutch kit or the trans. The flywheel looks in decent shape. I need to clean it off and inspect it further before knowing for sure of its condition.

I just got my car back on Saturday. The clutch engages very close to the bottom. I'm not sure if I like that. Does anyone have any idea if this can be adjusted? I don't know if they bled it. I had a brake flush done 2 weeks ago covered by maintenance.
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Old 02-04-2013, 10:31 AM
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Quote:
Originally Posted by unrealii View Post
I paid out of pocket and replaced the flywheel. The other bearings and parts were either included with the clutch kit or the trans. The flywheel looks in decent shape. I need to clean it off and inspect it further before knowing for sure of its condition.

I just got my car back on Saturday. The clutch engages very close to the bottom. I'm not sure if I like that. Does anyone have any idea if this can be adjusted? I don't know if they bled it. I had a brake flush done 2 weeks ago covered by maintenance.
They should've bled the system, check the brake fluid level in the expenstion tank (driver's side under a plastic cover close to the firewall.
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