M40 / M42 Engines

Moderator: martauto

  • Topics
  • E30 M42 swap infomation
    by rix313 » Sat Feb 06, 2010 8:41 pm
    213 Replies
    262108 Views
    Last post by rix313
    Mon Nov 24, 2025 9:07 pm
  • BMW E30 318iS, 318i, 316i fuel pump
    by rix313 » Wed Apr 22, 2020 8:28 pm
    7 Replies
    11885 Views
    Last post by rix313
    Sat Jan 22, 2022 10:21 pm
  • M42 exhaust manifold VS M44 exhaust manifold
    by adiethirteen » Sat Dec 04, 2021 10:43 am
    1 Replies
    8566 Views
    Last post by martauto
    Sat Dec 04, 2021 12:56 pm
  • M40 and M42 Wiki Pages
    by Grrrmachine » Thu Mar 28, 2013 4:23 pm
    0 Replies
    8861 Views
    Last post by Grrrmachine
    Thu Mar 28, 2013 4:23 pm
  • M40 Top End Engine Noises
    by twright » Sun Jan 21, 2024 3:30 pm
    2 Replies
    6561 Views
    Last post by twright
    Mon Jan 22, 2024 12:32 pm
  • Thoughts on the M40 Engine
    by bruzehual » Sat Oct 16, 2021 5:54 pm
    4 Replies
    8933 Views
    Last post by 30316
    Mon Jan 15, 2024 10:15 pm
  • ARP head studs
    by TeddyK » Wed Jul 26, 2023 1:48 pm
    2 Replies
    9726 Views
    Last post by rix313
    Mon Sep 18, 2023 1:12 pm
  • BMW M40 idle...
    by elvirbgd » Tue Dec 07, 2021 4:17 pm
    3 Replies
    8090 Views
    Last post by elvirbgd
    Thu Mar 24, 2022 8:05 pm
  • Help! Hydraulic lifters
    by TeddyK » Sat Oct 23, 2021 8:08 pm
    3 Replies
    7257 Views
    Last post by elvirbgd
    Tue Dec 28, 2021 4:37 pm
  • Overtightened timing belt on BMW E30 M40 ?
    by elvirbgd » Sat Dec 04, 2021 11:59 am
    3 Replies
    8133 Views
    Last post by elvirbgd
    Sun Dec 05, 2021 4:37 pm
  • MPG?
    by KitTheRam » Mon Oct 11, 2021 6:59 pm
    1 Replies
    6933 Views
    Last post by twenty
    Tue Oct 12, 2021 10:32 am
  • M40 Cambelt DIY Replacement Guide
    by spannerrash » Wed Feb 26, 2020 9:34 pm
    4 Replies
    10763 Views
    Last post by Brianmoooore
    Sun Mar 28, 2021 11:27 am
  • M42 wiring loom - automatic - problem
    by JohnA » Sun May 31, 2020 6:13 pm
    9 Replies
    14428 Views
    Last post by JohnA
    Thu Feb 04, 2021 8:28 am
  • M42 engine wiring / hoses
    by TeddyK » Fri Jan 01, 2021 8:27 pm
    1 Replies
    7530 Views
    Last post by rix313
    Fri Jan 01, 2021 9:16 pm
  • Blue temp sensor ground located?
    by NoTurbo » Sun Nov 22, 2020 1:13 pm
    2 Replies
    8776 Views
    Last post by rix313
    Sat Nov 28, 2020 8:38 am
  • M40 Intake Noise
    by twright » Tue Nov 10, 2020 11:23 am
    0 Replies
    7539 Views
    Last post by twright
    Tue Nov 10, 2020 11:23 am
  • M42 ECU. E36->E30
    by joew23 » Tue Oct 27, 2020 2:39 pm
    0 Replies
    6729 Views
    Last post by joew23
    Tue Oct 27, 2020 2:39 pm
  • No RPM
    by NoTurbo » Sat Aug 15, 2020 8:15 pm
    9 Replies
    15256 Views
    Last post by NoTurbo
    Tue Aug 25, 2020 7:23 pm
  • 318is Oxygen Sensor?
    by LGK6D » Sun Feb 11, 2018 6:00 pm
    7 Replies
    9506 Views
    Last post by Zimmy318i
    Sat Jul 25, 2020 8:41 am
  • M42 overbore problems.
    by rsjon » Sun May 03, 2020 12:01 pm
    7 Replies
    9796 Views
    Last post by rix313
    Sun May 24, 2020 6:27 pm
  • M42 exhaust manifold studs / nuts
    by TeddyK » Mon Apr 27, 2020 8:08 am
    1 Replies
    8127 Views
    Last post by rix313
    Tue Apr 28, 2020 4:55 pm
  • Ticking noise at motorway speeds
    by BeauSpivey » Thu Jan 23, 2020 3:26 pm
    8 Replies
    9093 Views
    Last post by Brianmoooore
    Wed Feb 26, 2020 10:54 pm
  • M42 performance chip
    by TeddyK » Tue Feb 04, 2020 9:54 am
    2 Replies
    8630 Views
    Last post by TeddyK
    Tue Feb 04, 2020 11:19 am
  • Misfire? M40b16 engine loss of power, 5000rpm
    by blood69 » Wed Jun 05, 2019 3:00 pm
    3 Replies
    8664 Views
    Last post by rix313
    Sun Dec 08, 2019 9:05 am
  • M40b18 & M40b16 Turbo Manifolds for Sale $250
    by DIYTuning » Sat Nov 30, 2019 12:22 pm
    5 Replies
    9822 Views
    Last post by DIYTuning
    Sun Dec 01, 2019 6:23 pm
  • anyways to get power from a m40b18 without turbo
    by bodhie30318 » Fri Nov 11, 2016 4:55 am
    4 Replies
    17941 Views
    Last post by boiliebasher
    Sat Nov 30, 2019 5:26 pm
  • Exhaust for my 318is
    by Tombo » Tue Oct 15, 2019 10:37 am
    5 Replies
    9894 Views
    Last post by Alistair
    Wed Nov 13, 2019 9:43 am
  • M40 sump swap
    by boiliebasher » Sun Nov 10, 2019 4:46 pm
    5 Replies
    8543 Views
    Last post by rix313
    Mon Nov 11, 2019 3:11 am
  • M42 workshop manuals
    by Dave72 » Tue Jul 24, 2018 2:58 pm
    1 Replies
    9728 Views
    Last post by Alistair
    Sat Nov 09, 2019 7:00 pm
  • M40 1.6 to 1.8?
    by TeddyK » Wed Oct 09, 2019 11:22 am
    4 Replies
    8400 Views
    Last post by Speedtouch
    Mon Oct 14, 2019 3:37 pm
  • Making an M40 a bit nippier
    by alexbaker1989 » Thu Jun 20, 2019 1:17 pm
    5 Replies
    14175 Views
    Last post by Caravanking
    Tue Aug 13, 2019 7:56 am
  • M40 Exhaust Port Diameter
    by danllew » Mon Jun 03, 2019 10:06 am
    2 Replies
    8642 Views
    Last post by stones
    Mon Jun 03, 2019 5:55 pm
  • 2019 M42 parts checklist?
    by TeddyK » Thu May 30, 2019 10:54 am
    1 Replies
    9031 Views
    Last post by rix313
    Thu May 30, 2019 11:57 am
  • gearbox compatibility
    by eddiewilsonzim » Fri Mar 01, 2019 10:08 pm
    1 Replies
    7345 Views
    Last post by Brianmoooore
    Fri Mar 01, 2019 11:49 pm
  • M42 sump
    by B1N9S » Tue Jul 10, 2018 6:30 am
    4 Replies
    10281 Views
    Last post by rix313
    Thu Dec 13, 2018 1:42 pm
  • M40 to m20 swap
    by e30Alex » Tue Dec 04, 2018 4:41 pm
    2 Replies
    7418 Views
    Last post by e30Alex
    Sun Dec 09, 2018 10:44 pm
  • Camshaft change advice
    by senna » Wed Nov 14, 2018 5:47 pm
    2 Replies
    9003 Views
    Last post by Brianmoooore
    Sun Nov 25, 2018 9:15 pm
  • BMW 318i M40 Metallic noise - HELP
    by sniper_slb » Tue Apr 25, 2017 9:11 pm
    2 Replies
    9794 Views
    Last post by magpie
    Sat Nov 17, 2018 7:51 pm
  • M42 2.1 Stroker Turbo or Supercharged
    by MarcoPratas » Wed Aug 29, 2018 1:52 am
    0 Replies
    8334 Views
    Last post by MarcoPratas
    Wed Aug 29, 2018 1:52 am
  • M42 e30 running very rich and stalls when idle
    by selespeed » Sat Aug 25, 2018 5:25 pm
    0 Replies
    9658 Views
    Last post by selespeed
    Sat Aug 25, 2018 5:25 pm
  • Oil consumption
    by maxime_vhw » Sat Jun 02, 2018 8:21 pm
    1 Replies
    8928 Views
    Last post by arrisbmw
    Thu Aug 02, 2018 11:17 pm
  • M42 sump
    by B1N9S » Tue Jul 10, 2018 6:30 am
    0 Replies
    8064 Views
    Last post by B1N9S
    Tue Jul 10, 2018 6:30 am
  • Mods on a E30 318i M40
    by Fakes2205 » Fri Jun 29, 2018 3:26 pm
    2 Replies
    18116 Views
    Last post by Fakes2205
    Mon Jul 02, 2018 6:06 am
  • M40 afm mismatch
    by sazwex » Wed May 23, 2018 9:09 am
    2 Replies
    11793 Views
    Last post by sazwex
    Wed May 23, 2018 10:59 am
  • ecu
    by slapeddicus » Mon Apr 16, 2018 7:25 pm
    0 Replies
    15429 Views
    Last post by slapeddicus
    Mon Apr 16, 2018 7:25 pm

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