BMW Internal Engine Parts for BMW 3 Series E91 (2006-2012)

Clear BMW chassis

Please ensure your correct model is selected

Rebuilding your engine or giving your cylinder head an overhaul? Internal engine components covers parts that are located within the engine block and cylinder head. Examples include: timing chains and tensioners, rocker arms, rod bolts and studs, head bolts, valve springs, connecting rods, and more. These are Genuine BMW engine parts, performance upgrades, or approved aftermarket brands that have a long track record of reliability and quality.

Sub-Categories

Sort By:
Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N55
Bav Auto Crankshaft Front Oil Seal Removal / Installer Tool - N54, N5...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bav Auto Tools - Corporate Logo
T#:580444
Part#: B8800139
Ships on Aug 10, 2026
Sale - Save 5% $ 203.99

This product was last offered at the strikethrough price on
05-03-2026

$ 193.79 USD
Free Shipping
Add to Wish List
Sale - Save 5%
$ 203.99

This product was last offered at the strikethrough price on
05-03-2026

$ 193.79 USD
Free Shipping
Add to Wish List
Used in removal and installation of the front crankshaft seal on BMW N55 engines, a common job that you can save yourself a ton of money doing at home.
N52 Valvetronic Camshaft Adjuster Replacement Kit
N52 Valvetronic Camshaft Adjuster Replacement Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:5416764
Part#: 11377548388TMSKT
In Stock
Sale - Save 19% $ 220.99

This product was last offered at the strikethrough price on
05-03-2026

$ 179.20 USD
Free Shipping
Add to Wish List
Sale - Save 19%
$ 220.99

This product was last offered at the strikethrough price on
05-03-2026

$ 179.20 USD
Free Shipping
Add to Wish List
Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52 and N54
Bav Auto Crankshaft Rear Oil Seal Removal / Installer Tool - N51, N52...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bav Auto Tools - Corporate Logo
T#:580412
Part#: B8800104
In Stock
Sale - Save 5% $ 147.99

This product was last offered at the strikethrough price on
05-03-2026

$ 140.59 USD
Free Shipping
Add to Wish List
Sale - Save 5%
$ 147.99

This product was last offered at the strikethrough price on
05-03-2026

$ 140.59 USD
Free Shipping
Add to Wish List
For removal and installation of the rear crankshaft seal on BMW N51, N52 and N54 engines.
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55
Bav Auto Intermediate Lever Valve Spring Compressor - N20/26 N55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bav Auto Tools - Corporate Logo
T#:580431
Part#: B8800124
Ships on Aug 10, 2026
Sale - Save 15% $ 178.99

This product was last offered at the strikethrough price on
05-03-2026

$ 152.14 USD
Free Shipping
Add to Wish List
Sale - Save 15%
$ 178.99

This product was last offered at the strikethrough price on
05-03-2026

$ 152.14 USD
Free Shipping
Add to Wish List
For installation and removal of pressure springs on intermediate levers of valve train. Ensures quick, easy and safe handling of these high force springs.
Eccentric Shaft Sensor Kit
Eccentric Shaft Sensor Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Packaged by Turner - Corporate Logo
T#:5416787
Part#: 11377524879TMSKT
In Stock
Sale - Save 18% $ 270.99

This product was last offered at the strikethrough price on
05-03-2026

$ 221.57 USD
Free Shipping
Add to Wish List
Sale - Save 18%
$ 270.99

This product was last offered at the strikethrough price on
05-03-2026

$ 221.57 USD
Free Shipping
Add to Wish List
Includes a new sensor as well as valve cover and eccentric gaskets for a complete service. The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.
Show More Show Less

Select Vehicle

BMW Mini
Clear Vehicle

Purpose

Category

Brand

Price

$
$