Member
Driving my sons e90 and it has a mild but pronounced shudder on acceleration but seemingly only from zero (not felt accelerating at speed). Automatic trans.
I told him might be Guibo or transmission mounts or tranny fluid may need change? Any suggestions would be helpful?
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Wagon meister :)
BMW Tech Expert
Also have a look at the center support bearing too.
Darin
Current:
16 220i Active Tourer Platinsilver MET (C08)/Dakota Black (PDSW), P7ACA, P7LDA, P7LHA, P9BDA, 6sp Manual - Wife's new toy!
05 325it Electric Red(438)/Gray(N6TT) ZCW, ZSP 5sp Manual Back set cover, trunk mat, Euro Infra-Rot front windshield, and mud flaps! Mr. Wagon My new Winter car.
05 M3 Imolarot II(405)/Gray(N5TT) ZCW, ZPP 6sp Manual C.F. Lip, CSL diffuser, SSK, Euro Infra-Rot front windshield and a trunk liner! Mr. Go_Fast Stored for the Winter
Past:
95 318is Montreal Blue Met (297)/Beige(K1SN) RIP, killed by an Idiot.
84 M535i gray market Burgandy Rot Met/Black Leather Lowered by Intrax on bilies, poly everywhere, B&B cat back system, K&N, and a hitch! Da Beast - Still running w/400k+!
91 316i euro Tizianrot/Gray cloth - E-36 w/M-40 RIP, but great on gas! Best was 38 MPG
82 528i euro Saphire Blue Met/Blue Leather RIP
79 525 euro Green/Green RIP
79 318 Silver/Black - The first one that got it all started
M-Flight Member
Member
Probably it, thanks.
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I had this exact same issue on my '07 328i auto. My friend is a mechanic (so am I, but not professional) and owns some BMWs . He immediately said that these cars have GM transmissions and it's a known issue, and that I should try a tube of Lube Gard Shudder Fixx. I'm not a big fan of fix-o-fluids, but I put some in and damned if it didn't work! So then I put the car on the rack and changed the tranny oil and filter (pretty easy DIY job) and added a tube of Shudder Fixx to fluid and I've had no problems since... YMMV.
My car had ~ 97K when I did this and has ~ 130K now.
Walt
Member
+1Originally Posted by WaltL
My 2011 328 developed stutter around 90K miles (GM transmission). Indy euro mechanic replaced transmission filter and serviced ATF fluid with anti-stutter additive (I think I read somewhere that there’s a specific anti-stutter additive recommended by BMW, but could be wrong). I’m not sure what additive the Indy mechanic used, but transmission is doing well since (currently at 116,xxx miles).
I plan to service transmission fluid every 40K miles moving forward (will DIY next time).
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Cars:
2011 BMW 328i
2013 Mercedes GL350
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