Are subframe inserts worth it? How hard to install?

E180M3 · 03-07-2017, 01:21 PM

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desertman123 · 03-07-2017, 02:19 PM

Definitely do it, it took $40 and an afternoon in the garage. 5/10 to install (and I'm just a kid in his parents garage). It's not terribly difficult, just takes finesse and focus on when to lower the subframe/raise.

Do you have a 128 or 135? I feel like the daily driven 128s are 100% okay with inserts, but 135s may want the full replacement if they're pushing a lot of power. Reason being is that 135s guys noticed an improvement in stability on straight line acceleration (I guess the drivetrain twisting a bit under hard acceleration).

The biggest improvements in feeling I noticed were on long cambered turns, the rear just felt more stable, and over bumps. I can actually differentiate the ground changing instead of it being vague. It just feels like the way it should've from the factory.

Yes!!!!!!!! pay attention when you install them, I installed one wrong (90° rotated from what it should've been) and it busted.

03-07-2017, 01:21 PM	#1
E180M3 New Member 7 Rep 20 Posts Drives: M6 Join Date: Dec 2016 Location: Ontario iTrader: (0)	Are subframe inserts worth it? How hard to install? . Last edited by E180M3; 07-19-2017 at 08:26 PM..
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03-07-2017, 02:19 PM	#2
desertman123 E82 Mudflap Ambassador 2214 Rep 2,219 Posts Drives: '08 128i Join Date: May 2016 Location: Orlando, FL iTrader: (0) Garage List 1992 Honda Beat [9.50] 2008 BMW 128i [10.00] 2014 BMW 528i [10.00]	Definitely do it, it took $40 and an afternoon in the garage. 5/10 to install (and I'm just a kid in his parents garage). It's not terribly difficult, just takes finesse and focus on when to lower the subframe/raise. Do you have a 128 or 135? I feel like the daily driven 128s are 100% okay with inserts, but 135s may want the full replacement if they're pushing a lot of power. Reason being is that 135s guys noticed an improvement in stability on straight line acceleration (I guess the drivetrain twisting a bit under hard acceleration). The biggest improvements in feeling I noticed were on long cambered turns, the rear just felt more stable, and over bumps. I can actually differentiate the ground changing instead of it being vague. It just feels like the way it should've from the factory. Yes!!!!!!!! pay attention when you install them, I installed one wrong (90° rotated from what it should've been) and it busted. __________________ My 2008 128i - Sparkling Graphite/Beige - Sport pkg - 6MT - Click me! Parents' 2014 528i - Mineral White/Ivory White - fully loaded Instagram @Andreys_128i and @Honda.Bito
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