The Big 3 Service Special (BMW E46 M3) Rod Bearing Replacement ($1770) VAC High Peformance Coated Rod Bearings with ARP Connecting Rod Bolts. Recommended every 70k-100k miles. Includes gasket and oil. Vanos Replacement ($1995) Dr. Vanos fully rebuilt VANOS with factory solenoids and solenoid valves. Upgraded pistons seals and Viton O-rings. I went online and bought Powerflex bushings for all 4 subframe mounts and RTAB shipped from UK. Costing almost $400 total. ($80 for the rtabs and $140 per pair for the subframe mounts) I found a nice local car mechanic and dropped it off all the parts and few printed DIYs. They gave me a quote of $780 labour for both, that's 13 hours at $60/hour. After doing some research I found there are 3 ways of addressing it: 1) weld or use epoxy to attach reinforcement plates to the body, 2) inject heavy duty cement-like foam into the body cavity, and 3) install the Mason Engineering rear subframe x-brace and strut tower brace. I decided on going with the x-brace because I've heard the foam doesn This article will cover the main points on removing an E46 rear subframe. This is a common practice for any E46 owner. Whether it be to replace worn out bushings, reinforce the subframe mounting points on the chassis, or repair cracks or tears in the unibody caused by years of hard-driving.
The dealers are given some discretion in the area of wheels. If you have lowering springs on it ,though, it's likely that you'll be rejected. And, for the record, the repair that BMW does where they replace the subframe carrier (which is part of the unibody) runs into the $5000 range.
It is about 15 hours to remove and replace motor complete, plus an extra couple hours to swap bearings. So roughly equates to $1700 on average lab rate. It can be done in the car easily inside of 8 hours, so $800. If you are being quoted any more than either of these routes I would shop elsewhere. 3987 posts · Joined 2005. #2 · Sep 20, 2011. I know the rebuild on my starter 4 years ago was $160. Looked brand new when I got it back from my guy. Paid about $200 or so to have it installed though. I heard they have to remove an engine mount and raise the engine a littleor move part of the subframe MLCBoj.
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    • bmw e46 subframe repair cost