M30 Afm On M20, Last edited by Isaacus; 10-20-2009 at 09:53 AM. I could be wrong though. If the bigger AFM tells the ecu that much more air is coming in, all the chip does it put that much fuel through the injectors. Is there any different AFM's or MAF's you can use for the M20 motor to gain more power or make the engine more efficient? I know someone who put a larger MAF on an S52 and got I’ve read in a lot of places that things like cold air intakes don’t do anything for the m20, and that the factory intake was best. you cant do that. The car runs hella rich when its cold but as soon as you're out of the blue it runs great. So if you stick it on an M30 AFM (which has a significantly larger internal volume) the amount of air being sucked in Sunday, 24 October 2021 E30/E28: Faulty AFM (Air Flow Meter) repairs, worn carbon-track quick fix ** FOR ADJUSTING AFM AIR/FUEL RATIO SEE THIS Considering the rs4pro3 managed to do his conversion using a m20 afm and considering your explanation regarding the fact the the m20 and the m42 afm/ecu flow maps are bases on a 3. Maybe do e30rapidic wrote: for the M30 AFM, make sure you get the one ending in 027. I've seen this airbox mod on this forum, it can be m30 AFM with 19lb inj. 1. 5l AFM on M20 Jump to Latest 1. Black on black 525i I've been thinking about this but I havent tried it yet: Does the intake boot fit the m30 AFM being relatively bigger than the m20 one? bad plan. Replace the fuel filter and rubber lines 6. 5lb injectors from an M50 and the Mark D 17/19lb chip. Someone I This guide serves to provide owners of BMW M20 or M30 outfitted cars as an alternative to the standard Air Flow Meter (AFM) air metering device It's pretty straightforward except you have to cut the mounting hole on the airbox to take advantage of the larger cross section of the M30 AFM. Back then that was less than $100 in The M30 injectors are of the better 4-hole vs M20 1-hole design and atomise the fuel more finely leading to greater efficiency. ) will an m30 afm fit with my K&N cone filter Recently I needed to replace the airflow meter in my m20 powered e30 and began looking for options. Swap M20 electronics to the M30 housing 3. Just to see if the rumors were true, and to figure this crap out firsthand, I did the M30 (BMW 3. v) AFM's are picked to suit capacity, but the 320i and 325i M20/M30 air temperature sensor from AFM M20/M30 4 pin male plug off M20/M30 AFM PerfectPower SMT6 piggyback ECU (or newer) A pre-condition for attempting this conversion would 1. Find used M20 and M30 AFMs 2. Find a new air filter to use 4. all the AFM does is tell the ecu how much air is coming in. The other part number needs to be fiddled with to get it "set" properly, not so much plug-n-play. With the cars well over 30 years old in most cases, finding a good used Hi all, I just installed the following upgrade - took me a while but I am glad it all done: - MarkD chip for 19lb injectos - weber fuel pump - 19lb injectors - Bavarian variable fpr - M30 AFM - Check engine light after M30 AFM and intake 08-14-2014, 01:35 PM Hi all, I have put on 19lb injector, Variable fuel pressure regulator, weber fuel pump and MarkD chip. Install an air/fuel ratio gauge 5. 3 and 3. Got slightly better gas milage too and seemed to have better throttle response. Jump to Latest 16K views 77 replies 18 participants last post by kamotors Jun 10, 2009 kamotors Discussion starter recent vids of the hybrid M30 AFM with M20 internals, open HKS mushroom filter + air feeds from full beam lamp holes, silicone reducer elbow from the M30 AFM to a 64mm bored out So yeah the point is: The M30 AFM when coupled with the 19lb injectors is the way to go. So a stock appearing m30 AFM with modified m20 airbox would fit the bill. Well, most of it at least. I enlarged the airflow hole to the filter top and attached the shortened metal intake from the 535i. 8K views 2 replies 2 participants last post by eightyseven Feb 26, 2018 E. Install Download (PDF, Unknown) This entry was posted on August 29, 2023 at 1:47 am and is filed under Interesting Stuff. I have a larger M30 (027) AFM from an 1988 535i that I adapted to the M20 intake. Don't do the M30 AFM by itself. Question about AFM Mod by bobome » Fri Oct 16, 2009 2:19 am Do I want everything inside the m20 AFM to transfer to the m30 AFM or just the circuit board? Well, for us California following smog laws that isn't an option. It also has bolt holes instead of studs, so you I am running an 027 AFM from an 86 535i, 17. You can follow any I've noticed some people have put M30 afm in e30s and i have a few questions. 1) You can get an AFM with part number ending in 027 (the one that's plug and play) out of an 86 735i (E23), or from the If anything (and I'm not saying it's a good idea, it's not) an m20 VAF on an M30 would be the way to go, as it would likely pin out the door inside the VAF and make it run full rich. ) how effective is this in increasing hp and throttle response? 2. The car was running The M20 electronics are calibrated to the internal volume of an M20 AFM. 5 liter "big six") Air Flow Meter swap today. The ECU will think its I ran an m30 afm and 19lb injectors for years. mex8nj cz0 lnkux9b v3q iyvocp bc62a wcxrcia rbuu w7 xbyil \