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BMW 3-Series (E90 E92) Forum
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Bmw E90 Manual Transmission Conversion
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01-04-2009, 12:53 AM | #1 |
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Bmw E90 Manual Transmission Conversion
I was wondering if it was possible for me to swap my automatic transmission for a manual transmission. I have a 06 325i. And i was also wondering how much it would cost to get the transmission and install it and all.. thanks
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01-04-2009, 12:56 AM | #2 |
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Possible? Yes, anything is possible if your pocket is deep enough. However this will severely kill your resale value and big issues may arise (if everything isn't properly installed the first time around).
I'm willing to bet that you will spend the same amount of money after all the smoke clears as if you were to sell or trade in your 325i for a new stick shift 335i. |
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01-04-2009, 01:08 AM | #3 |
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i agree with ^, something as big as a transmission swap is just too much money and trouble, might as well get a new ride altogether
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01-05-2009, 10:57 AM | #10 |
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This would be much easier on older cars without all the ECU control. You also know that the rear axle ratios are different, right?
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01-10-2009, 09:54 PM | #11 |
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That's a possible advantage....3.61 gears vs 3.15
Head tech at my shop told me that the swap is possible because the fitting (connector) for the ECU connector to transmission are the same for manual and automatics. I don't understand how the dynamic traction control would be affected if at all? Off the top of my head you would need Getrag 6MT Bell housing Drive shaft (?) U joints? Crossmember mount clutch assy. (pressure plate, disc, & throwout bearing) tubing master cylinder pedal assembly shift linkage assy plugs for the transmission cooling in the radiator. Possibly you would need the DME from a loaner? Considering a rebuilt installation of a automatic can run around 6K. An industrious and technically savy person can locate a donor vehicle and conduct most of the work himself.
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Last edited by smellthebeans; 01-20-2009 at 06:32 PM.. |
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09-29-2010, 06:34 PM | #12 |
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Its not as hard as people are making it out to be, i spoke with markD about the electronics and covered the parts needed:
http://www.rtsauto.com/parts-require...bers-included/ |
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09-29-2010, 07:17 PM | #13 |
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Drives: 325xi>M235i>428GCx Mspor
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Lol....this is like adding a penis to a woman
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2006 325xi (Sold)
2014 M235I (Current) 2015 428xi Gran Coupe (STB) |
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09-29-2010, 07:54 PM | #15 |
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I find it surprising how many people are against this. I think partially it might be because the cost of parts is still relativity high for e90's but if this was a topic of e30 or e36 everyone would be for it. The main difference between the e30 and e90 is the rather minimal electronic work involved: ECU swap and aligning EWS and eliminating the DC/DC torque converter
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09-29-2010, 07:57 PM | #16 | |
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Drives: 325xi>M235i>428GCx Mspor
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Not against it...just not worth it
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09-29-2010, 08:11 PM | #17 |
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Well thats assuming your not able to offset the cost by selling your automatic parts. Most e90 owners arent in the class of people who are willing to work on their still expensive cars in fear of messing it up (unlike the e30 crowd), but an indy BMW shop shouldnt charge more then 8-9 hours labor to swap a transmission (800-900 dollars assuming $100/hr rate).
Assuming you can offset the cost by selling your automatic transmission parts, it might actually be something good because say you replace it at 100,000km, all the wear parts can be easily replaced, and thus you will have a fresher manual after a swap then just buying a manual. Also most automatic equiped engines take alot less beating then manual cars, not to mention the demographic of people that own automatics vs manuals. |
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09-30-2010, 11:14 AM | #20 |
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Trade the car in for a similar equipped/mileaged/year manual. You should get better residual for the auto and get a manual transmission for considerably less when all said and done. Or you could just wait for your slushbox to fail and do the swap at that time.
I am uncertain as to the electronics hurdles. The only known issue I know about tranny swaps is the possible loss of the requirement to hold down the clutch on startup. Which could cause a lurch accident if you park it in gear. |
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09-02-2012, 09:24 PM | #22 | |
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Quote:
@MNC performance
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2013 f10 M5, 2010 135i coupe (R.I.P had 4k miles) 2008 335xi 4dr ,2011 135vert, 2008 x3 3.0 (p.o.s),2001 z3 coupe,2004 x3 3.0, 84 e30 31st coupe www.FACEBOOK.com/MNCperformance Instagram:@mncperformance |
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