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///M3 Forum
The BMW E46 ///M3 is the M version E46 and puts out an amazing 333 HP and 262 lb-ft of torque at stock specs! There are an amazing amount of modifications for both the coupe and convertible models so read up and get started modifying your cars today!

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Old 06-04-2013, 07:38 PM   #1
vaughan counts
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Question Blown M3 engine - looking at options

My first post is not a happy one and I really don't want to talk about it. The engine of my 2006 M3 (SMG, 70,000 miles) is a deader with a rod through the block. I just want to get on with my life as an owner of an E46 M3 convertible.


My local garage (non dealer) says $23,000 +/- for a new engine and I will go that route if necessary. What else might I do? While I am at it, I want to consider modest power upgrades. Also, I am not attached to my year or color (white) or to the SMG.
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Old 06-04-2013, 08:56 PM   #2
tim330i
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Welcome to E46Fanatics! I'm moved your thread over to the E46 M3 forum.

Good luck,
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Old 06-04-2013, 09:01 PM   #3
m3yal8r
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Welcome,search the for sale section as engines pop up on a regular basis. You should be able to source a used motor and get installed for less than half of the $23K you reference.
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Old 06-04-2013, 09:06 PM   #4
Alan
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Get yourself a good indy shop and avoid the dealer like the plague.
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Old 06-04-2013, 09:20 PM   #5
TheWarHammer
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Lol $23,000 usd for a new motor? I think the gentleman is trying to hose you.
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Old 06-04-2013, 10:08 PM   #6
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Lol $23,000 usd for a new motor? I think the gentleman is trying to hose you.
How much do you think a brand new m3 engine costs ?
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Old 06-04-2013, 10:10 PM   #7
Taunto
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Re: Blown M3 engine - looking at options

23k for a new M engine sounds about right. May be on the higher side yes but for a new engine its going to be in that ball park. Is that a short or long block price? I work for a local Mercedes dealership as a tech and last week we had a engine in a ml63 amg blown up ( 6.3l bi turbo) long block its self was 62k. You also got to realize that our engines are a motorsport built engine.

As for power upgrades. If you do go that route headers and cams would be a good idea as it would save u on Labour if u plan on doing it down the road. Gl with your car and sorry to hear about ur car.

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Old 06-04-2013, 10:11 PM   #8
helmutm3
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Originally Posted by vaughan counts View Post
My first post is not a happy one and I really don't want to talk about it. The engine of my 2006 M3 (SMG, 70,000 miles) is a deader with a rod through the block. I just want to get on with my life as an owner of an E46 M3 convertible.


My local garage (non dealer) says $23,000 +/- for a new engine and I will go that route if necessary. What else might I do? While I am at it, I want to consider modest power upgrades. Also, I am not attached to my year or color (white) or to the SMG.

Get a low mileage m3 for that price and sell the crapped out one as a roller for a few k.
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Old 06-04-2013, 10:20 PM   #9
Taunto
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Re: Blown M3 engine - looking at options

Scratch all that and find a used M5 v10 engine and drop that beast into it. That would be sick

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Old 06-04-2013, 10:22 PM   #10
M3HER310
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Re: Blown M3 engine - looking at options

Swap for a bigger engine if u want more power and have the money

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Old 06-04-2013, 10:32 PM   #11
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Blown M3 engine - looking at options

Quote:
Originally Posted by Taunto View Post
Scratch all that and find a used M5 v10 engine and drop that beast into it. That would be sick

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This is the only option. Anything else is a waste.
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Old 06-05-2013, 03:58 AM   #12
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Originally Posted by Taunto View Post
Scratch all that and find a used M5 v10 engine and drop that beast into it. That would be sick

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QFMFT!!! Dear god I would kill for this swap in my M..

Oh and there are deals to be found, there's an s54 short block by me, no accessories or **** for like $2200.. Replacing a motor isn't as hard as you think especially if it's the same one.. unplug, unbolt, replug, rebolt. Just takes some time and reading.

good luck man
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Old 06-05-2013, 07:30 AM   #13
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I'm sorry to hear about your motor, but rest assured it WILL get better. I went through this same thing last August and it seemed like a nightmare.

Yes, a brand spanking new S54 motor is $26,000. A (BMW) rebuilt S54 motor is $14,000. I got a lot of resistance from one of the local dealerships about supplying my own motor, basically he wouldn't do it. The other BMW dealer on the other side of town obliged and let me work with him.

I have a 2001, and was able to find a 2005 motor out of a totaled M3 coupe and have it shipped to me for $3800. Same mileage. I then sold my blown motor for $1500 (probably could have gotten more.) The guy drove up from TN the day the new motor arrived and they just lifted the old one out and dropped it in his truck. Labor is the kicker. My indy shop is $89 an hour while my dealership is in the $130 range. I could have saved some cash and had this done at the indy, but now I'm in great standing from a resale position having the car serviced through BMW. It's all in perception and what you want out of it though, don't let anyone persuade you.

All said and done, I was $3600 for the motor, $200 to ship it up here, and $4700 in labor. But what I got out of it was a cleaned, flushed motor, with a valve adjustment, all new fluids, a dropped and reinstalled tranny and exhaust, new clutch, lightweight flywheel, and she runs like the day she came off the line. Big chunk of cash, but a big chunk of piece of mind as well.

Best of luck to you!
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Old 06-05-2013, 08:04 AM   #14
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Do not spend 23 grand on a new S54, just not worth it.

Get yourself a salvage E39 M5 for 10k. Do the full conversion for 5k. Viola you've got a E46 M3 S62 ala GTR for 15k. You may even be able to do it for less. Or call VAC Motorsports up and get one of their S54 engines. One of the best places out there. http://store.vacmotorsports.com/6-cy...ines-c147.aspx You can also get a used low mileage S54 and get a VF supercharge while you are at it. Or like someone has mentioned above, be a BAWS and through a V10 in there. All of these options are under 23k.
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Old 06-05-2013, 09:33 AM   #15
qualicas
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I see you are in Houston. I had a fellow specializing in BMW swap out an engine in my daughters E36 for a very reasonable amount. I'm talking to him about getting a E46 M3 from down there. My daughter wants a convertible. Look up TMJ bimmers. ask for Todd and tell him Bruce sent you.
Worst case pick up an engine from Bavarian Auto Recycling in California.
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Old 06-05-2013, 09:47 AM   #16
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In for v10 swap
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Old 06-05-2013, 11:25 AM   #17
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Like other's have said, you can find a used S54 for $3000-$5000 depending on mileage. While an engine is out, it's a great time to add on headers and head studs to mount them http://store.bimmerworld.com/paceset...ader-p695.aspx $599 for these are a really great deal. It's so tight and tough and frustrating to do headers while the engine is in the car so if you stick with another S54 that's the time to do bolt ons like headers. Do an intake like AFE stage II, Bimmerworld intake boot, and with the headers and a cat-back, have Randy from Epic Motorsports remote tune your car http://store.bimmerworld.com/epic-mo...ecu-p1521.aspx I've heard from Bimmerworld that with the intake/exhaust/Epic they've seen 320rwhp on some S54's. That would also be a lot more economical to maintain even though V8/V10 swaps would be cool, plus you wouldn't have to rebalance the car or change suspension using the factory powerplant. Just my .02
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Old 06-05-2013, 07:02 PM   #18
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Have your car shipped down to houston a shop called M power will rebuild your same engine and even more stronger I know a lot of guys did a rebuild at m power I'm friends with the owner. 24,000 is a lot of money if you want to go that route sell your car as is and buy another m3 with low miles around 28 to 29k that's what I would do
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Old 06-05-2013, 07:28 PM   #19
sonnydm3
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Blown M3 engine - looking at options

U can rebuild broken engine block,but u can get 5000 for good engine and for next time use only 10w-60 oil not a. Walmart oil,change the oil at 5000 miles if u get on it.i love my m3 and I drive hard plus take care of her


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Old 06-05-2013, 10:45 PM   #20
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Local guy here is doing an LSx swap in the car and adding boost shortly after its all running.
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