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| 08-17-2018, 11:16 AM | #1 |
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2nd gear syncro starting to fail
I have a 6speed mt and my 2nd gear syncro is starting to grind. I have looked into getting it fixed and Ive read that BMW only does full units. can anyone confirm this? also is there a good place to get an aftermarket trans or am i stuck surfing ebay or craigslist? I have replaced the trans oil and the problem persists. any suggestions? out of warranty so looking for less expensive routes than $10k
thanks
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2011 135i VRSF DP, FMIC, Charge pipe, DP fix, cdv delete, Whiteline RSFB, BMS SSK, Intake, Oil Catch Can, JB4, MHD BEF, full Berk street exhaust
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| 08-17-2018, 11:53 AM | #2 |
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anyone have any experience with http://diffsonline.com/zf-6-speed-ra...nsmission.html ?
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2011 135i VRSF DP, FMIC, Charge pipe, DP fix, cdv delete, Whiteline RSFB, BMS SSK, Intake, Oil Catch Can, JB4, MHD BEF, full Berk street exhaust
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| 08-17-2018, 02:04 PM | #3 |
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I had the exact same issue as you with the 2nd gear, it made it no enjoyable to drive. BMW only replaces the full units and my bill came out to $9500. Im glad warranty paid for it.
Changing fluids never seemed to help |
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| 08-17-2018, 02:12 PM | #4 | |
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| 08-17-2018, 02:52 PM | #5 | |
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12 135i: DINAN S3, ARM 7" FMIC, MADDAD MIDPIPES, REMUS EXHAUST, INJEN INTAKE, ARM CP
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| 08-17-2018, 03:53 PM | #6 |
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under 50k, pretty sure the last valet really messed up. started not long after it.
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2011 135i VRSF DP, FMIC, Charge pipe, DP fix, cdv delete, Whiteline RSFB, BMS SSK, Intake, Oil Catch Can, JB4, MHD BEF, full Berk street exhaust
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| 08-17-2018, 03:58 PM | #7 | |
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 wow that's horrible, sorry to hear that. I'm always cautious when it comes to valet parking my 1'er. I'm hoping this is not the normal case for these tranny's, I thought the 6 speeds trans on these cars were relatively bulletproof with FBO. Just curious, are the N54 trans exactly the same as N55?
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| 08-18-2018, 06:25 AM | #8 | ||
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| 08-18-2018, 07:33 AM | #9 | |
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He’s done two diffs for me. Both have been run hard with no glitches. |
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